This is us At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development. This is the job We are looking for an experienced Principal ASIC / SoC Architect to join an international engineering project focused on ASIC solutions for high-volume, cost-sensitive electronic products. In this role, you will influence the complete ASIC development and production lifecycle: from system architecture, technology selection, and third-party IP evaluation through tape-out, manufacturing, testing, and yield optimization. You will combine deep semiconductor expertise with a strong understanding of commercial and manufacturing considerations. Your decisions will directly affect product performance, power consumption, die size, system cost, production readiness, and supply-chain resilience. The engagement is expected to last at least one year, with a possibility of extension for an additional year. We welcome candidates from across the EU, with priority given to professionals based in the Scandinavian countries. Candidates based in the US may also be considered. The role involves regular travel to Denmark, potentially several times per month, as well as periodic travel to the US, other European countries, and Asia. This is you You have at least 8 years of experience in ASIC microarchitecture, ASIC design, or SoC design within an electrical engineering environment. You have completed multiple successful ASIC or SoC tape-outs and have taken designs through the full development lifecycle. You have a strong understanding of ASIC and SoC architecture and microarchitecture, including system-level architectural trade-offs. You have hands-on experience evaluating, selecting, and integrating third-party semiconductor IP, including analog, compute, and memory IP. You understand semiconductor foundry processes, process nodes, and PDKs, as well as their impact on power, performance, cost, yield, and production readiness. You have solid knowledge of semiconductor packaging, assembly, testing methodologies, fault coverage, and production-test optimization. You understand yield fundamentals, including the relationship between die size and yield, silicon test data, production-line yield analysis, and yield optimization. You are familiar with Design-for-Cost, Design-for-Manufacturing, Design-for-Assembly, and Design-for-Yield principles. You understand wafer economics, OSAT operations, packaging and test costs, and the main drivers of semiconductor unit cost. You can evaluate technical decisions in the context of system BOM cost, manufacturing feasibility, production timelines, and supply-chain risk. You are comfortable collaborating with foundries, OSAT partners, IP vendors, and multidisciplinary internal teams. You are available for regular international business travel, particularly to Denmark. This is your role Collaborate with electrical engineers to define requirements, evaluate architectural options, and develop ASIC specifications. Lead system-level trade-off analyses across performance, power, die size, unit cost, manufacturability, yield, and production readiness. Lead the technical evaluation, selection, and integration of third-party analog, compute, memory, and other semiconductor IP. Represent the electrical engineering team in technical discussions with foundries, OSAT partners, and IP vendors. Track semiconductor technology roadmaps and work with external partners to address manufacturing constraints and bottlenecks. Influence process-node and PDK selection based on performance, power, cost, yield, and foundry maturity. Drive Design-for-Cost, Design-for-Manufacturing, Design-for-Assembly, and Design-for-Yield considerations throughout the architecture and design process. Guide floorplanning, die-size optimization, pin count and placement, and packaging decisions. Provide technical input to semiconductor cost models covering wafer economics, OSAT location, packaging, test time, yield, and other unit-cost drivers. Partner with test and validation engineers to define strategies that maximize fault coverage while minimizing test time and production costs. Incorporate supply-chain resilience and multi-sourcing flexibility into architectural and manufacturing decisions. Analyze production-line yields and silicon test data with internal and external validation teams to identify opportunities for continuous improvement. Collaborate with technical and commercial stakeholders throughout the complete ASIC lifecycle, from architecture and technology selection to tape-out, manufacturing, testing, and yield optimization. What awaits you at Avenga? At Avenga, everyone matters. We provide equal opportunities in recruitment, career development, and leadership, regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to fostering a work environment where our diverse community of employees, candidates, and business partners actively shapes our growth. By bringing together people from different backgrounds and experiences, we build a workplace where everyone feels free to be themselves while honoring the boundaries of others.

Avenga

Avenga is a global IT and digital transformation champion. We deliver strategy, customer experience, solution engineering, managed services and software…

Natural Cycles° is a leading women’s health company that developed the world’s first birth control app, used by millions globally. We are a fast growing startup, and we promote an international working environment filled with smart and ambitious colleagues based in Stockholm, Geneva, New York, and remotely. Our mission is to pioneer women’s health through research and passion, empowering every woman with the knowledge she needs to take charge of her health. We're now looking for a People Generalist to join our global People team and become our primary People representative in New York. About the role While most of our People team is based in Stockholm, you'll be our local People presence in the US, working closely with employees, managers, and key stakeholders in New York while collaborating with colleagues across our global organization. You'll support our growing US team of 30+ employees, while also coordinating employment matters for our international employees through our Employer of Record (EOR) partners. This is a broad, hands-on role where no two days are the same. From onboarding and benefits to employee support, workplace experience, and local office operations, you'll play an important role in creating a positive employee experience. We're looking for someone who enjoys being the go-to person for employees. You're proactive, service-minded, and equally comfortable answering a benefits question, coordinating a new hire's first day, improving a People process, or helping make our New York office a welcoming place to work. Please note that we are hiring for this role in the New York area. What you will be doing US People Operations Act as the primary People contact for employees and managers in the US. Manage the employee lifecycle, including onboarding, offboarding, employment changes, and HR documentation. Administer US benefits, including annual renewals, enrollments, and employee support. Support employees and managers with HR-related questions, policies, and day-to-day employment matters. Coordinate with Legal, Finance, Payroll, and external partners to ensure compliant and efficient People processes. Global Employment Operations Coordinate employment administration for employees hired through Employer of Record (EOR) partners. Support onboarding, offboarding, employment changes, and international employment setups. Partner with EOR providers to ensure a smooth employee experience for our international employees. Support consistent and compliant employment processes across our international workforce. Workplace & Employee Experience (New York) Serve as the primary People contact for our New York office. Coordinate workplace operations, facilities, vendors, and office logistics. Support local onboarding, employee engagement initiatives, office events, and visitors. Help create a welcoming, well-functioning workplace that reflects our culture and values. Recruitment Support Support recruitment activities, including interview coordination, offers, and onboarding. Support employer branding initiatives as needed. People Operations Maintain accurate employee data and HR systems. Contribute to improving People processes, documentation, and ways of working. Support global People initiatives as required. What skills and experience we think you have Minimum of 4 years of experience in HR, People Operations, or a broad HR Generalist role. A good understanding of US employment practices and benefits administration. Experience supporting employees throughout the employee lifecycle. Excellent communication and relationship-building skills. A proactive, flexible, and service-oriented mindset. Strong organizational skills and the ability to manage multiple priorities. Experience with EOR providers or international employment is a plus. Experience or interest in employer branding is a plus. Experience working with HR systems such as HiBob, Deel, or similar is a plus. Working at Natural Cycles This role offers the opportunity to make a real impact as the local extension of our global People team. You'll work closely with colleagues in Stockholm while building strong relationships with employees and stakeholders across our New York office. Although we work in a hybrid environment, this role requires regular on-site presence in our New York office (typically 2–3 days per week) to support employees, workplace operations, visitors, and other office activities. We're therefore looking for someone who is based within an easy commuting distance of our Manhattan office. If you're excited about creating a great employee experience, enjoy working in a collaborative international environment, and love being the person others can rely on, we'd love to hear from you. What we offer Flexible work arrangement - you will be part of a team that values effective collaboration and transparent communication, irrespective of work location Professional development - you will work alongside knowledgeable colleagues in the continuous growth and skill enhancement environment Modern technology - you will leverage innovative technologies and tools, within an environment that empowers you to contribute ideas and take ownership of your work Impactful projects - you will contribute to groundbreaking projects that redefine industry standards and create tangible value Commitment to quality - you will join a dynamic and progressive organization that prioritizes profitable, long-term product development Sounds interesting? If you want to be part of a successful team, we encourage you to apply for this position as soon as possible. We look forward to hearing from you! Salary bracket: $90,000 - $100,000 While most offers will be closer to the starting range, successful candidates’ pay will be determined based on job-related skills, experience, qualifications, work location, internal peer equity, and market conditions. These ranges may be modified in the future. How to apply To apply, just upload your CV and answer the questions on the application form. Keep in mind that we can't accept applications through email because of GDPR, and only applications submitted via the career site (and in English) will be considered. At Natural Cycles we value diversity and inclusion because we know that teams with people from different backgrounds and experiences are stronger. We welcome candidates from all walks of life and are committed to creating an inclusive environment for all employees and candidates. Note: We are not looking for consultants or help from recruitment agencies Natural Cycles participates in e-verify. E-verify provides the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.

Natural Cycles

Natural Cycles is the world’s first and only CE and FDA approved hormone-free, digital contraception solution. Natural Cycles aims to…

Remote, United States Role Overview 🚀 At Uncapped, we help ambitious founders realise their dreams. Our Embedded Partnerships Manager owns Uncapped's embedded finance partnerships in the US — platforms, marketplaces and payment providers who integrate Uncapped's funding directly into their own product. This is a high ownership role: you decide how the embedded portfolio is segmented and prioritised, you negotiate and close the integrations personally, and you're accountable for the revenue that flows through them against the commercial plan. Partnerships are a key growth driver for Uncapped. This is a high impact role at one of the fastest growing fintechs in revenue based funding. About Uncapped 👫 Founded in 2019, Uncapped is a fintech company focused on providing working capital to SMEs in North America and Europe. We leverage multiple data sources to make credit decisions faster, safer and more conveniently. We are working with the largest platforms in the world, including Amazon and Walmart, and strive to be the best alternative-lender globally. What Success Looks Like A clear tiering of Uncapped's US embedded partner base, with your effort deliberately allocated toward the integrations that drive funded volume Uncapped's largest, most complex embedded and platform partnerships negotiated and closed personally, by you Partner sourced revenue from embedded channels delivered against the commercial plan, with you as the accountable owner of that number A repeatable operating rhythm for how embedded partnerships are scoped, built and launched, one others can learn from What you will do ✍️ Strategy & Portfolio Ownership Own Uncapped's embedded finance partnerships in the US and decide how that portfolio should be segmented and tiered Prioritise your own time and effort across the portfolio based on where revenue and strategic value actually sit Set the operating rhythm for how embedded partnerships are managed, including pipeline discipline, review cadence and performance standards Sourcing & Closing Personally negotiate and close Uncapped's largest, most complex embedded deals — platforms, marketplaces and payment providers — with senior counterparts Structure commercial terms, integration scope, incentives and co-selling arrangements on deals with outsized revenue impact Identify and pursue new embedded partnership opportunities that shift the shape of Uncapped's US portfolio, not just add to it Accountability & Cross Functional Alignment Carry and report on the partner sourced revenue number from embedded channels against the commercial plan Partner with Product and Engineering to shape the embedded finance and integration roadmap around what unlocks the highest value partnerships Translate partnership performance into clear reporting and forecasting for commercial leadership Work closely with Sales, Marketing and Product to ensure embedded partnerships get the coordinated support they need Requirements Who you are 👀 7+ years of experience in partnerships, business development or commercial roles, with a track record of owning strategic accounts end to end Significant fintech experience (lending, payments or embedded finance strongly preferred) A closer of large, complex, technical deals with senior stakeholders, including commercial and contractual negotiation Comfortable working closely with Product and Engineering to scope integrations, not just commercial terms Experienced in partner segmentation, tiering and prioritisation frameworks Credible with senior external stakeholders and internal commercial leadership alike Deep understanding of the US e-commerce and digital business landscape and how embedded funding fits within it Strong working knowledge of a CRM such as HubSpot, Pipedrive or Salesforce, with strong commercial reporting skills Fluent in written and verbal English Benefits What we offer 🎁 At Uncapped, our people make us successful. We are a start-up with big goals, and we work hard, so we want to give everyone the benefits they really want. We are continually adding to this list as new people join -- here are some of the things you can expect: Unlimited holiday: we believe that well-rested and happy people make the best employees Competitive compensation plan Personal growth fund: Raise your game from great to spectacular Monthly recognition and awards: Celebrate wins big and small The opportunity to make a big impact every day on the lives of European and US entrepreneurs. Optional workspaces in Warsaw, London and Atlanta We can only consider applications from candidates eligible to work in the USA without requiring visa sponsorship.

Uncapped

Revenue-based finance provider

Remote, United States Role Overview 🚀 At Uncapped, we help ambitious founders realise their dreams. Our Ecommerce Partnerships Manager owns a portfolio of high value referral and broker relationships across the e-commerce and agency ecosystem. This isn't a maintenance role: you source and close new partners, negotiate terms and co-selling arrangements, and find the growth opportunities inside your portfolio rather than waiting for them to be assigned to you. Partnerships are a key growth driver for Uncapped. This is a high impact, high autonomy role at one of the fastest growing fintechs in revenue based funding. About Uncapped 👫 Founded in 2019, Uncapped is a fintech company focused on providing working capital to SMEs in North America and Europe. We leverage multiple data sources to make credit decisions faster, safer and more conveniently. We are working with the largest platforms in the world, including Amazon and Walmart, and strive to be the best alternative-lender globally. What Success Looks Like A portfolio of active, high value referral and broker partners consistently generating qualified, partner sourced origination Partnerships that don't just run but grow, because you've spotted an angle nobody assigned you Clear, scalable operating workflows across sourcing, enablement, reporting and reviews You take a partnership goal and find the path yourself, pulling in Sales and Ops as needed rather than waiting to be told how What you will do ✍️ Sourcing & Closing Identify, engage and recruit new referral and broker partners across the e-commerce ecosystem — agencies, advisors and referral networks — aligned to Uncapped's growth strategy Run partner discovery, qualification and prioritisation across inbound and outbound channels Negotiate partner agreements, commercial terms, incentives and co-selling arrangements, and hold your own in the room with senior partner counterparts Onboard and operationalise each partnership through enablement, structured processes and clear launch plans Portfolio Ownership & Growth Own your portfolio of referral and broker relationships end to end, from first conversation to ongoing performance management Drive regular business reviews focused on targets, impact and revenue contribution Proactively mine existing partnerships for growth that wasn't in the original deal — new segments, new referral sources — rather than waiting for it to be assigned Manage smooth lead routing and feedback loops with the Sales team to ensure post-handoff follow through Analytics & Cross-Functional Alignment Define and track partner KPIs, including pipeline, conversion rates and lead quality Own data hygiene and pipeline forecasting within the CRM Conduct ROI analysis on partner initiatives to optimise performance and incentive structures Partner with Sales, Marketing and Ops to build repeatable, friction-free partner workflows, and bring them along when a partnership needs a coordinated push Requirements Who you are 👀 4+ years of experience in partnerships, business development or channel management, with a track record of owning outcomes, not just relationships At least part of that experience is in fintech, lending or payments — direct exposure to e-commerce or online consumer brands (as an operator, agency partner, or platform) strongly preferred Proven ability to source, close and operate broker and referral partnerships end to end — you don't hand off the hard parts Commercially sharp: you understand how a deal makes money for both sides and can negotiate terms that hold up Self directed: given a partnership goal, you find the path yourself and know when to pull in Sales or Ops Comfortable with data and analytics, and you use it to prioritise, forecast and make the case for where to invest your time Direct, intentional communicator, comfortable managing remote workflows out in the open Working knowledge of a CRM such as HubSpot, Pipedrive or Salesforce Strong grasp of Microsoft applications (Excel, PowerPoint & Word) and/or G Suite Excellent organisation and multi-tasking skills, with acute attention to detail Benefits What we offer 🎁 At Uncapped, our people make us successful. We are a start-up with big goals, and we work hard, so we want to give everyone the benefits they really want. We are continually adding to this list as new people join -- here are some of the things you can expect: Unlimited holiday: we believe that well-rested and happy people make the best employees Competitive compensation plan Personal growth fund: Raise your game from great to spectacular Monthly recognition and awards: Celebrate wins big and small The opportunity to make a big impact every day on the lives of European and US entrepreneurs. Optional workspaces in Warsaw, London and Atlanta We can only consider applications from candidates eligible to work in the USA without requiring visa sponsorship.

Uncapped

Revenue-based finance provider

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Manufacturing Engineering Team Examples of key problems the team is working on Take product lines from clean sheet to production. This is an opportunity to reason from first principles. Challenge every industry standard and focus on Speed and Safety. Build Data Center products behind 10s of GW a year. Design and productize Data Center modules, switchgear, switchboards, busway, skids, E-Houses, and cooling systems that every Fluidstack building runs. Own the designs, IP, and test campaigns. Full in-house design authority on platforms Fluidstack owns outright, from the first one-line through type testing to factory acceptance. Role Scope Own the clean-sheet design of Fluidstack's wholly-owned metal-clad MV switchgear platform, built around a purchased, type-tested vacuum breaker element. Deliver a production-released, fully type-tested lineup running design and the IEEE C37.20.2 and C37.09 test campaigns in parallel. Lead a dedicated team of engineers to develop the design, testing and compliance effort. Run the type-test campaign at high-power laboratories, covering short-circuit, internal arc, BIL, and temperature rise, and own every redesign loop as needed. Define the platform's ratings ladder, protection and IED integration, and racking and interlock architecture so one design covers MV distribution across 10s of GW of buildings a year. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You've designed metal-clad MV switchgear and/or GIS switchgear at an OEM as the accountable engineer. You've taken a switchgear design through a full type-test campaign at a high-power lab and led the redesign after a failed internal arc or short-circuit shot. You've made the insulation coordination, bus bracing, and creepage and clearance decisions. You've integrated third-party breaker elements or operating mechanisms into an enclosure and secondary design you owned end to end. You've led a product team from first concept to production release and held the design freeze against late-arriving change requests. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Manufacturing Engineering Team Examples of key problems the team is working on Take product lines from clean sheet to production. This is an opportunity to reason from first principles. Challenge every industry standard and focus on Speed and Safety. Build Data Center products behind 10s of GW a year. Design and productize Data Center modules, switchgear, switchboards, busway, skids, E-Houses, and cooling systems that every Fluidstack building runs. Own the designs, IP, and test campaigns. Full in-house design authority on platforms Fluidstack owns outright, from the first one-line through type testing to factory acceptance. Role Scope Own the end-to-end design of Fluidstack's integrated MV/LV electrical skids and UPS E-House product lines, from one-lines and base frames to released-for-production drawing packages. Drive both products into production running design, compliance, and factory readiness. Lead a dedicated team that covers electrical, structural, HVAC, and fire protection engineers, backed by assigned drafting and compliance staff from shared engineering services. Work with localization teams to define required design upgrades and particularities: interconnect points, protection interfaces, transport and rigging limits, and seismic anchorage. Work with third party authorized vendors to deliver a consistent product across Fluidstack’s data center fleet. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You've taken packaged electrical equipment (skids, E-Houses, PDCs, or integrated power assemblies) from concept through production release as the single accountable engineer. You've owned designs that span electrical, structural, and mechanical disciplines and made the cross-discipline tradeoffs yourself instead of arbitrating between silos. You've designed to UL 891 or UL 1558 assembly requirements and NFPA fire protection standards on equipment an AHJ had to accept. You've stood on a factory floor and made the ship-or-hold call on a unit based on test results you witnessed yourself. You've led a design team of ten or more through a compressed release schedule without letting a quality gate slip. You write specifications and drawing packages precise enough that a manufacturer builds the right thing on the first pass. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Manufacturing Engineering Team Examples of key problems the team is working on Take product lines from clean sheet to production. This is an opportunity to reason from first principles. Challenge every industry standard and focus on Speed and Safety. Build Data Center products behind 10s of GW a year. Design and productize Data Center modules, switchgear, switchboards, busway, skids, E-Houses, and cooling systems that every Fluidstack building runs. Own the designs, IP, and test campaigns. Full in-house design authority on platforms Fluidstack owns outright, from the first one-line through type testing to factory acceptance. Role Scope Own the clean-sheet design of Fluidstack's UL 891 LV switchboard and UL 857 distribution busway platforms, from bus and bracing calculations to released production drawings. Release both platforms for production within 12 months, running design, NRTL listing, and short-circuit test campaigns in parallel. Lead a dedicated team of electrical and mechanical engineers, backed by assigned drafting, compliance, and test staff from shared engineering services. Drive the listing programs end to end: test plans, witness testing at the NRTL, follow-up service setup, and the certification file the factory builds against. Work with localization teams to define required design upgrades and particularities: interconnect points, protection interfaces, transport and rigging limits, and seismic anchorage. Work with third party authorized vendors to deliver a consistent product across Fluidstack’s data center fleet. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You've designed LV switchboards or busway at an OEM and personally carried a product through UL 891 or UL 857 listing, start to finish. You've run short-circuit withstand and temperature rise test campaigns and redesigned bus, bracing, or joints after a failed shot. You've made the contact system, joint, and plating decisions that determine whether a busway survives thousands of load cycles in service. You've designed for manufacturability at volume: sheet metal, plating, torque specifications, and assembly sequences a production line can hold shift after shift. You've led a product team through a compressed release schedule and held the line on test evidence when the schedule pushed back. You write ratings documentation and configuration rules clear enough that application engineers select the right product without calling you. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Own long-lead procurement for the compressor program: high-speed motors, magnetic bearings, forgings, castings, pressure vessels and test instrumentation. Qualify and dual-source the vendors sitting on the critical path, where a single motor or bearing lead time can set the prototype date for the whole program. Buy for the prototype and the production ramp at the same time, so the first machine does not quietly lock the fleet into a sole source. Run the make-versus-buy calls with engineering, including which parts come off our own floor and which go outside. Keep procurement off the critical path of a schedule that runs concept to production far faster than this industry does. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve bought long-lead engineered hardware where the lead time, not the unit price, was the thing that decided the program. You’ve qualified a second source for a part that everyone told you could only come from one place. You’ve sat with engineers early enough to change a design for supply reasons, rather than being handed a finished BOM and a date. You’ve carried a supplier through a prototype build while the drawings changed underneath them, and kept the relationship intact. You’ve told a program its date was wrong and brought the lead-time evidence that settled the argument. Bonus: Rotating machinery and precision-machined component sourcing. Aerospace or defense supply base (precision machine shops, forgings, castings, long-lead alloys). Motors, drives and bearings. Pressure equipment and specialist fabrication. Prototype-to-production transitions in hardware startups. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Own the structural analysis of the machine: impeller and rotor stress, casing and pressure containment, and the load paths through the packaged unit. Design the pressure-containing structures, and carry them from first calculation to hardware people are willing to stand next to. Run the rotordynamic and modal work alongside the turbomachinery engineer, covering critical speeds, whirl and the magnetic bearing interface. Design the containment case, so an energetic failure at speed stays inside the machine. Design the test cell structures and fixturing that carry the article, the drive and the loop under load. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve taken a pressure-containing design from calculation through to a fabricated article, and it held. You’ve run FEA on rotating hardware and correlated it against strain gauge, spin-pit or test data rather than trusting the model. You’ve owned a containment or burst case and made the argument for why it holds to people whose safety depended on it. You’ve worked the modal and critical-speed problem jointly with whoever designed the aerodynamics, early enough to change both. You’ve signed off a structure that got built, and you were there when it was first loaded. Bonus: Flight and propulsion structures (spin pit testing, burst margin, containment). Rotordynamics and bearing dynamics. High-cycle fatigue and fracture on rotating hardware. Pressure vessel and containment design. Professional Engineer license. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Own the electrical design of the machine’s power path: the DC bus, the inverter, the motor drive, and the amplifiers driving the magnetic bearings around the rotor. Specify and integrate the drive for a high-speed hermetic motor, including the switching, thermal, bearing-current and insulation questions that follow from running a machine fast. Design the power and protection scheme for the test benches and the load bank, so a machine can be run to full rating and its output absorbed or regenerated. Take the electrical scope through EMC, harmonics and arc flash to an installation that is safe to work on and safe to sign off. Own electrical safety in the test cell, including the procedures the technicians and test engineers work to around live buses and stored energy. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve designed a high-power converter or motor drive that got built, and you were there the first time it drove a real load. You’ve integrated a drive with a motor somebody else designed, and dealt with what the drive then did to the machine and to everything sharing the bus. You’ve chased an EMC, harmonic or bearing-current problem to its actual cause instead of adding a filter and hoping. You’ve written electrical safe work practices and then enforced them on people who found them inconvenient. You’ve powered up a test cell or a first-of-a-kind installation, and you were the one who decided it was safe to close the breaker. Bonus: High-speed and magnetic-bearing drive systems. Electric propulsion and aerospace power systems (eVTOL, satellite EPS, electric pump-fed engines). 800 V class DC architectures and wide-bandgap devices (SiC, GaN). Test cell power and safe practice around energized work (test benches, load banks, regenerative drives). We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Own the control architecture for the machine and the test rigs, spanning the compressor, the motor drive, the expansion turbine and the loop around them. Write the safety interlocks and fault handling for a machine whose working fluid can cross its critical point inside the normal operating range, taking the control problem with it. Deliver capacity control through motor and turbine speed rather than throttling valves, keeping the process fluid path free of valves at the design point. Validate the control system against hardware-in-the-loop before it ever touches the real machine, and prove the interlocks fire. Carry the controls out of the test cell and into the production chiller, including integration with site BMS and the wider plant. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve written control logic for rotating machinery and you were in the room the first time it ran. You’ve designed interlocks where a fault means destroyed hardware or an injured person, and you can justify every one of them from first principles. You’ve run hardware-in-the-loop testing that caught something real before it reached commissioning. You’ve tuned loops on a live machine and worked out why the model and the plant disagreed. You’ve handed a control system to people who did not write it, with documentation they could actually use at three in the morning. Bonus: Propulsion or vehicle test controls (engine sequencing, abort and safing logic). Variable-speed drives and high-speed motor control (VFDs, magnetic bearing controllers). Refrigeration and chiller control (superheat, head pressure, capacity staging). Industrial control platforms (Beckhoff, Siemens, Allen-Bradley, CODESYS). Model-based development and HIL (Simulink, dSPACE, NI VeriStand). We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Own the test program that takes the compressor from first spin on the stand to a validated performance map the design team can build on. Specify and stand up the test cells from an empty bay: motor test bench, high-pressure gas loop, load bank, and every instrument behind them. Define the measurement chain and the uncertainty budget, so a claimed isentropic efficiency or COP survives scrutiny from outside this company. Write the test plans, interlocks and abort criteria for a machine running at speeds and pressures where a failure is energetic. Turn test data into design changes on a weekly cadence, sitting inside the design loop rather than reporting into it. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve commissioned a test stand from a bare bay: instrumentation, calibration, shakedown, first article. You’ve taken a machine to failure deliberately and had it instrumented well enough to know exactly why it failed. You’ve owned an uncertainty budget and could tell someone what your measurement was actually worth. You’ve written interlock and abort logic that kept people safe around stored energy, high pressure or high speed. You’ve disagreed with a design team about what the data showed, and the data won. You’ve carried a failure investigation to a root cause that changed the hardware, rather than to a plausible story that closed the paperwork. Bonus: Propulsion and engine test (hot fire, spin pit, green run). Rotating machinery test (compressors, turbines, motor test benches). High-pressure gas loops and pressure-rated test rigs. Data acquisition and rig control (LabVIEW, NI, PLC-based stands). Thermal and refrigeration performance testing (COP mapping, calorimetry). We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Define what the machine has to be, owning the cycle model that sets the working fluid and the pressures, temperatures and flows the compressor, turbine and exchangers are designed against. Design heat exchangers with surface areas running into millions of square meters, among the largest single drivers of a data center’s physical footprint. Design the fluid system around the machine: piping, valves, headers, relief and isolation, sized against the pressure-drop budget the cycle can afford and the pressures the fluid actually runs at. Run the trades that decide the machine: air-side temperature rise, face velocity and subcooling. Derive the operating points from coupled exchanger ratings rather than asserted approach temperatures, so infeasible designs get caught in the model instead of in hardware. Take the cycle predictions onto the test stand and reconcile them against measured COP, then say plainly where the model was wrong. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve built a thermodynamic cycle model from fluid properties up and defended its assumptions to someone actively trying to break it. You’ve sized real heat exchangers against published correlations, and you’ve caught a case where the correlation belonged to a different geometry than the one in front of you. You’ve calibrated a model against a machine datasheet or test data and reported the gap honestly rather than tuning until it disappeared. You’ve written the analysis that changed a design decision, in a form that people who never ran the code could read and act on. You’ve sized a relief path and been the one who signed off that the system was protected. You’ve held a result open when it was still open, instead of closing it early to be helpful. Bonus: Vapor-compression and transcritical cycles (chillers, heat pumps, refrigeration). Propulsion and cryogenic fluid systems (feed systems, regenerative cooling, two-phase transport). Piping and relief design for high-pressure fluid systems. Real-gas properties and two-phase heat-transfer correlations (CoolProp, REFPROP, Cavallini, Gnielinski, Wang). Data center thermal architecture (CDUs, dry coolers, direct-to-chip). We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Thermofluids R&D Team Examples of key problems the team is working on Reject 10s of GW of heat, starting now. Fluidstack is targeting 10s of GW of compute over the next two years. Every watt of it becomes heat that has to go somewhere, and no cooling team has ever been asked to open at that scale rather than grow into it. Design and build the machines, because nobody can supply them. The merchant compressor market cannot deliver at this rate, and the vendor base behind today’s chillers will not scale to gigawatts. We are taking compressor and chiller design in house, working on machine architectures nobody sells today, and going from blank sheet to production faster than this industry thinks is possible. Own every thermofluids problem behind the fleet, not just the chiller. Working fluid and cycle architecture, heat exchangers at a scale that dominates the cost of the plant, two-phase heat transfer at the chip, and thermal energy storage. All of it is open, and whatever this team lands gets built thousands of times. Role Scope Own the aerodynamic design of the centrifugal compressor, from mean-line and 1D through CFD to released impeller, diffuser and return-channel geometry. Set the machine architecture, including stage count, shaft speed and diameter, while the working fluid decision is still open and moves the answer substantially. Design the expansion turbine that recovers shaft work from the high-side pressure drop, sharing a shaft with the compressor and the motor instead of throwing that energy away across a valve. Carry the rotor through rotordynamics, magnetic bearing integration and stress with the structural and mechanical engineers, at the shaft speeds a compact high-speed machine demands. Take the machine onto the test stand, and close the loop from a measured performance map back into the aerodynamic design. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You’ve designed a radial or axial turbomachine that got built and ran, and you were standing next to it when it did. You’ve taken a stage from mean-line through CFD and back, and you know the conditions under which your CFD is lying to you. You’ve worked a rotordynamics problem through to resolution on a real shaft with real bearings, not just in a report. You’ve made an architecture call early with incomplete data, stage count or speed or bearing type, and lived with it through build and test. You read a test map and change the design, rather than explaining why the map is wrong. You’ve worked somewhere the next article was already in the shop before the last one came off test, and you preferred it that way. Bonus: Turbopumps, gas turbines and cryogenic turbomachinery (launch vehicles, APUs, aero engines). High-speed motor-driven compressors (magnetic bearings, hermetic, oil-free machines). Transcritical and supercritical working fluids (R744, sCO2 cycles). Real-gas property libraries (CoolProp, REFPROP). Vapor-compression machine design (chillers, heat pumps, industrial refrigeration). We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Data Center Operations Team Examples of key problems the team is working on Operate at the scale of a nation, not a building. Accelerating toward 10s of GW by the end of the decade, more electricity than most countries consume. You won't just run a data center; you'll run infrastructure the size of a G7. Fly the plane while it's being built. Running flawless operations inside a live construction zone, adapting in real time and turning the pace of build-out into our advantage. You will redefine operational excellence. Write the playbook, don't inherit it. Most operators step into someone else's system. Here you build one, leaving your fingerprints on how the whole company runs. As we scale 100x, you'll set the standards, shape the operating model, and grow the team by the thousands. Role Scope Serve as the most senior technical authority for the operational network fleet across the hyperscale AI data center portfolio: switches, routers, cabling (copper and fiber), optics. Lead site assessments and operational audits, and drive the technical readiness of the network ops team ahead of site activation. Review network platforms and integration designs from an operational lens, and feed learnings back into network engineering, deployment, and supply chain as the build model becomes productionized. Author, approve, and execute high-risk network MOPs and change records in live production, and lead fleet-wide root cause analysis on disruptions to closure. Hold OEMs, ODMs, and service vendors accountable to a standard, including flawed RMA and integration processes, without burning the relationship. Act as the connective tissue and force multiplier across network operations, network engineering, compute operations, facilities, supply chain, and customer-facing teams. Travel 50-75%. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would. You've spent a career operating mission-critical network topologies at scale, with significant time as the senior technical voice on a site, campus, or fleet. You have experience in IP network operations, as well as optical networking. You have experience with TCP/IP and network routing protocols (OSPF, IS-IS, BGP, MPLS) and the devices of the physical infrastructure. You've authored and executed high-risk MOPs and led root cause analysis on significant network events through closure. You hold OEMs, ODMs, and deployment partners to a standard, and you enforce it without breaking the relationship. You write clearly (health assessments, RCAs, design feedback) and you teach, lifting the technical readiness of every team around you. Bonus: Hyperscale or large HPC fleets supporting thousands of end points. Linux and hardware management tooling. Standing up new sites from handover to steady state. Scripting for fleet-scale operations. Salary & Benefits Competitive total compensation package (salary + equity). Retirement or pension plan, in line with local norms. Health, dental, and vision insurance. Generous PTO policy, in line with local norms. Total compensation may also include equity in the form of restricted stock units. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The HSE Team Examples of key problems the team is working on Build the sustainability program for one of the largest compute buildouts in history, from zero. The first GHG inventory, the first disclosures, the first water strategy, all written here while the company adds gigawatts. Make our carbon and water numbers hold up to the most demanding audience in tech. Hyperscaler customers, auditors, and regulators will test every figure, so the accounting gets built right the first time. Keep environmental compliance ahead of the fastest build in the industry. Behind-the-meter generation spans multiple states, each with its own air permit conditions, runtime limits, and reporting deadlines, and the company adds sites faster than any manual compliance model can keep up with. Role Scope Stand up Fluidstack’s first corporate GHG inventory across Scope 1, 2, and 3, covering behind-the-meter generation, construction, and a multi-gigawatt fleet. Run every sustainability disclosure and data request end to end: CDP, EU Energy Efficiency Directive data center reporting, CSRD readiness, and the sustainability sections of hyperscaler RFPs and due-diligence questionnaires. Build the water strategy for a fleet spanning water-scarce regions, setting WUE targets and site-level stewardship plans that stand up in permitting and community engagement. Turn meters, fuel logs, and invoices into an auditable environmental system of record so carbon and water numbers come from data, not from spreadsheets assembled the week a report is due. Extend the program across global manufacturing, supply chain, and logistics: supplier emissions data, the freight footprint, and environmental standards for the manufacturing facility. Quarterback sustainability commitments across Design, Construction, Energy, Supply Chain, and Commercial so a target signed in a customer contract lands in a spec, a power deal, or a site plan. What We’re Looking For The below is a starting point. We always make space for exceptional people, so if you don’t fit this role exactly, tell us where you would . You’ve personally built a Scope 1, 2, and 3 GHG inventory from scratch and defended it line by line with an auditor, a customer, or a regulator. You’ve run disclosure cycles (CDP, GRI, CSRD, or customer-specific questionnaires) end to end, on deadline, without a large team behind you. You’ve turned messy operational data, meter reads, fuel logs, utility invoices, into numbers a CFO or a hyperscaler would sign. You’ve worked in heavy infrastructure (data centers, energy, industrial) and hold your own with engineers on PUE, WUE, and market-based versus location-based accounting. You’ve pulled emissions and environmental data out of a global supplier and logistics base, and gotten numbers vendors don’t volunteer. You quarterback across teams that don’t report to you, and the commitments you own show up in contracts, specs, and permits, not just in decks. Bonus: Renewable energy procurement (PPAs, RECs, 24/7 carbon-free energy matching). Lifecycle and embodied carbon assessment (LCA, EC3). Data center sustainability frameworks (EU EED, ENERGY STAR for Data Centers, The Green Grid). Sustainability credentials (CEM, LEED AP, ISSP). We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The HSE Team Examples of key problems the team is working on Own safety on gigawatts of high-energy infrastructure, built from zero. Headcount and sites are scaling faster than institutional knowledge can keep up. The gap between a control written on paper and one actually applied in the field is where fatalities happen. Keep a 24/7 workforce running at full intensity, not sidelined by injury. Fatigue, shift work, and high-energy exposure compound on the people running the sites and show up as injuries or claims if no one is tracking them. The work is to catch them first. Keep environmental compliance ahead of the fastest build in the industry. Behind-the-meter generation spans multiple states, each with its own air permit conditions, runtime limits, and reporting deadlines, and the company adds sites faster than any manual compliance model can keep up with. Role Scope Own hazardous energy control across multiple concurrent gigawatt-scale data center builds, from first temporary power through construction, Level 1 to Level 5 commissioning, and handoff to operations. Write, review, and approve every switching plan, LOTO procedure, energization sequence, and zero-energy verification before medium-voltage or low-voltage gear is landed, tested, or turned on. Run the pre-energization and energization kick-off meetings, and hold sole authority to authorize, pause, or stop any energization, isolation, or restoration across the GC, electrical contractors, commissioning agents, and the utility. Audit the electrical safety program in the field: JHAs, energized work permits, boundary controls, PPE, arc flash labeling, and the gap between the written control and what the crew actually does at the gear. Create and run the Kirk key program: collect, log, and control every Kirk key as switchgear, transformers, and generators are delivered to site, and turn the full key inventory over to operations at handoff. Maintain the tamper seal program on all energized and isolated equipment, and act as the only person who can authorize breaking a tamper seal. Manage the contract site-level Energy Marshals at every active campus: select and onboard them, set the standard they work to, audit their switching plans and field practice, and remove anyone who does not meet it. Build the multi-site Energy Marshal standard, including the templates, energization tracker, and training, so a new campus stands up its energization program in days rather than months. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You've performed as an Energy Marshal or Controlling Energy Marshal for a minimum of five years on data center or mission-critical construction, and have run energizations end to end on more than one site at a time. You hold current NFPA 70E qualified-person training and a recognized electrical safety credential (NFPA CESCP or CESW), plus OSHA 30 Construction and current First Aid/CPR/AED. You've personally written and approved switching orders and LOTO procedures on MV (above 1000V) and LV distribution: utility service, MV switchgear, transformers, generators, UPS, PDUs, and busway. You've stopped an energization when the paperwork was signed but the field didn't match it, and you can walk through the call and how you got the work restarted safely. You've directed other Energy Marshals or electrical safety leads across more than one site, held them to a single standard, and replaced one who fell short of it. You've coordinated GC, electrical subcontractor, commissioning agent, utility, and owner operations teams on a live campus where construction and energized systems share walls. You've run a Kirk key interlock or tamper seal program on live gear and can account for every key and seal from delivery through turnover. You keep the energization log, permit records, and isolation registers current enough that an auditor or incident investigation can reconstruct any switching event on any site. You explain arc flash boundaries, incident energy, and approach distances to an apprentice and to a VP with the same clarity. Bonus: Electrician licensure (journeyman or master). Utility safety leadership (CUSP). Commissioning credentials (CxA, QCxP). Arc flash and coordination study review (SKM, ETAP). Behind-the-meter generation and multi-state utility interconnection. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Legal Team Examples of key problems the team is working on Build the legal and compliance function from zero, for the largest compute buildout in history. No inherited playbook, no legacy team. The systems, standards, and team we build are the ones a company deploying gigawatts will run on for the next decade. Make legal a source of speed. We structure and close complex deals in weeks that typically take quarters. That only work when we calibrate risk from first principles of business enablement. Our job is judgment, applied fast enough that legal helps drive the deal across the finish line. Cover the entire legal surface with a lean team. A small team owns everything, and much of it involves business structures the market hasn’t seen before. You invent the solution with our business team. Role Scope Structure, draft, and negotiate the commercial agreements behind Fluidstack’s data center buildout, across supply chain, manufacturing, and procurement. Run complex negotiations with sophisticated counterparties end to end, balancing legal risk against the speed our business demands. Manage outside counsel across substantive disciplines with rigor on scope, quality, and spend. Quarterback transactions cross-functionally with supply chain, procurement, and delivery teams so deals never stall. Advise business leaders as a strategic partner, anticipating legal and commercial issues before they arise and having solutions ready. What We’re Looking For The below is a starting point. We always make space for exceptional people, so if you don’t fit this role exactly, tell us where you would . You hold an active license to practice law in at least one jurisdiction and can meet admission requirements where you will practice. You’ve autonomously structured, drafted, and negotiated complex commercial agreements as lead attorney, against sophisticated counterparties, in areas that map directly to data center development: supply chain, manufacturing, procurement, technology transactions, or similar. You’ve personally made sound, commercially pragmatic calls in ambiguous, high-stakes situations, and colleagues can point to deals where your judgment changed the outcome. You’ve overseen outside counsel across multiple disciplines and held them to a rigorous bar on scope, quality, and spend. You write and speak clearly enough to turn a dense legal issue into a decision and a next step for an executive or a counterparty. Bonus: A mix of law firm and in-house experience. Using AI to improve legal work and efficiency. In-house experience at a data center developer or cloud company. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it. We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI. We hire people who care deeply about this problem space. If that is you, please apply! How We Operate Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role. Insane urgency. We drive everything forward as fast as possible. Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins. Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward. Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world. The Commissioning Team Examples of key problems the team is working on Stand up the commissioning program for 10s to 100s of GWs of capacity this decade. Run commissioning and QA-QC for first-of-a-kind modular data centers. Automate Level 4 and Level 5 commissioning. Role Scope Commission mechanical systems for gigawatt-scale data centers: chilled water plants, CDUs, liquid loops, and airside systems from Level 2 through Level 5. Write and execute test scripts that prove capacity, redundancy, and failure response, not just that equipment turns on. Run functional and integrated systems tests with controls and electrical so the building performs as one system. Feed test findings back into the standard design so the next site commissions faster. What We're Looking For The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly, tell us where you would . You've commissioned mechanical plant on mission critical facilities through integrated systems testing. You've written test procedures from sequences of operation, and found where the sequence was wrong. You read P&IDs and controls drawings fluently. You troubleshoot live systems with vendors watching and a deadline standing behind you. Bonus: Liquid cooling and direct-to-chip systems. CxA credential. Modular data centers. Test and balance oversight. We are committed to pay equity and transparency. Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law. You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email [email protected] with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

Fluidstack

Fluidstack Jobs

About Haus Haus is the causal marketing platform top businesses trust to optimize billions in ad spend worldwide. With support from PhD economists, data scientists, and growth experts, Haus’ AI-driven technology translates complex marketing measurement into clear action and outcomes, enabling brands like Dyson, Wayfair, Sonos, Fanduel, SharkNinja, and Intuit to optimize spend, accelerate growth, and make smarter marketing decisions at scale. The Role Haus helps the world's leading brands measure the true impact of their marketing spend through geo experiments and causal MMM. Architect is our newest product: it turns that measurement into budget recommendations marketers can review and act on directly in the app. You'll build Architect end to end, from the Python services that produce a recommendation to the React screens where customers approve it. You'll work closely with product, science, and design on what to build, and with other engineering teams on the systems Architect draws from. This is a full stack role that leans backend. What you’ll do Design and ship backend services in Python that turn model outputs into recommendations, with correctness and observability from day one Build the React screens that let customers review, edit, and approve those recommendations Integrate Architect with the rest of the Haus platform: define API contracts with other teams and handle failure modes gracefully Work directly with product, science, and design on what to build, not just how Raise the bar on the codebase as you go: tests, monitoring, and the refactors that keep it shippable Use AI coding tools as a normal part of how you work, and be able to explain what you verified and how Qualifications 5+ years of experience building and shipping production web applications and APIs Strong backend engineer in Python; most of the day-to-day is service and integration work Working React proficiency: you can build the frontend for your own features Comfortable in an ambiguous, product-facing role: you can take a half-formed request from a PM or scientist and turn it into a scoped plan Experience with relational databases (MySQL/PostgreSQL) and data-heavy applications Comfort with cloud-native environments (GCP preferred): you understand how to deploy, monitor, and operate services in production Track record of working effectively with AI development tools (Claude, Cursor, Copilot, or similar) and a clear view on how you check their output Excellent communication skills: you can explain technical tradeoffs clearly and work effectively with scientists, product managers, and other engineers Bonus Points Experience with ad platform APIs (Meta Marketing API, Google Ads API) or experimentation platforms Optimization or recommendation systems: you've shipped something that told a user what to do next Earlier stage startup experience Flask, SQLAlchemy, FastAPI, or similar What We Offer: R&D Roles: We’re a high-performance, low-ego team operating in a fast-moving environment. We care deeply about our customers and expect everyone to take full ownership of their work — this is a place where high expectations fuel even higher growth. If you thrive in ambiguity, take pride in raising the bar, and want to work alongside top-tier peers who challenge and support you, you'll find unmatched opportunities here. If you're looking for predictability or rigid structure or you prefer order-taking to go-getting, we’re probably not the right fit — and that’s okay. We work in small, mission-driven teams that prioritize inclusion, collaboration, and growth over hierarchy or red tape. Some of our benefits include: Flexible PTO - take time when you need it! Equity – Startup environment with part-ownership in our successes Top of the line health, dental, and vision insurance - multiple plan options so you can pick what fits you best WFH stipend to support the set up you need to be productive Events & Offsites – opportunities to connect and celebrate in real life! Free Lunch – Grab a bite on us when you choose to work from the office (hub locations include SF, NYC and Seattle) New Parent Leave – take time to welcome your newest Hausmate We value in-person collaboration at Haus and give preference to candidates within commuting distance of our offices in San Francisco, Seattle, and New York City. Haus is an equal opportunity employer. We make hiring decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other protected status. We believe diverse perspectives make us stronger and are committed to an inclusive culture where everyone feels seen, heard, and empowered to contribute. Bring your authentic self — we would love to hear from you.

Arboretum Haus

Arboretum Haus is a PropTech & industrial production company that aims to change the way modern homes are built and…