You will deploy, configure, and support Siemens PLC-based control systems for utility-scale Battery Energy Storage System (BESS) projects, enabling reliable power infrastructure for the AI era. You will integrate PLCs with EMS, PCS, BMS, and SCADA systems, troubleshoot issues during commissioning, and travel to project sites as needed.
Mid|Full-time|Renewable Energy / Energy Storage
As Lead Test Engineer, you will own the end-to-end planning and execution of advanced validation cycles for ON.energy's power systems. You'll design and run lab-based stress tests to de-risk product architecture, analyze data for actionable feedback, and bridge lab results with real-world deployment.
As a UX/UI Designer at ON.energy, you will design and prototype SCADA product interfaces that enable operators to manage energy storage systems seamlessly. You'll bridge aesthetic design and front-end implementation, transforming complex data into intuitive, high-performance visual solutions while collaborating with engineers and conducting user research.
Hybrid|Mid|Full-time|Energy
You will lead the full lifecycle execution of battery energy storage and hybrid energy projects for data centers, ensuring delivery is safe, on time, within budget, and compliant. This role involves managing client relationships, budgets, schedules, and EPC contractors to scale clean energy infrastructure.
Senior|Full-time|Clean energy / data center infrastructure
You will perform factory pre-deployment of BESS systems, including configuring and validating controls, EMS, networking, and firmware prior to shipment. This role works hands-on with engineering and commissioning teams to ensure systems arrive site-ready, minimizing field rework and accelerating site bring-up.
Hybrid|Mid|Full-time|Energy
As a Product Quality Engineer at ON.energy, you will execute quality assurance for utility-scale BESS projects, focusing on Factory Acceptance Testing (FAT) and supplier quality oversight. You'll plan and witness FATs, perform field inspections, identify non-conformances, and support corrective actions to ensure equipment meets requirements before shipment and during installation.
You will deploy, configure, and support operational technology networks for utility-scale battery storage projects. Your work ensures reliable communication between control systems and remote monitoring platforms, directly enabling successful commissioning and system handover.
You will support the end-to-end engineering execution of BESS projects for data centers, from development to commissioning, coordinating with internal teams and external partners to ensure project milestones are met.
You will support the end-to-end engineering execution of Battery Energy Storage Systems (BESS) projects for data centers, from development to commissioning, collaborating with customers, EPC contractors, OEMs, and design consultants to integrate BESS with data center electrical infrastructure.
You will join a small team to scale AWS-based data infrastructure, focusing on high-volume time-series data from industrial sources. You'll design ETL/ELT pipelines, evolve the Data Lakehouse, and ensure data governance and reliability for analytics.
You will research and analyze complex accounting issues related to renewable energy projects, energy storage assets, project financing, and corporate transactions under U.S. GAAP. You'll prepare technical memoranda, support external audits, and collaborate with cross-functional teams to ensure accurate financial reporting.
Mid|Full-time|Renewable energy
You will deploy, configure, and support Ignition-based Energy Management Systems for utility-scale battery energy storage projects, ensuring reliable visibility, control, and integration with field devices and networks.
Supplier Quality Engineer (Supply Chain)
You will support supplier quality activities for battery energy storage systems, working with engineering and supply chain teams to select, audit, and evaluate suppliers. You'll ensure suppliers maintain robust manufacturing processes, coordinate factory testing, and resolve non-conformances before shipment. This role is critical to preventing quality issues at the source for utility-scale energy storage equipment.
Senior Product Engineer
Houston, Texas, United States
You'll own the technical design, specification, and continuous improvement of **BESS and DC Cabinet product lines** at a company building gigawatt-scale power infrastructure for AI and cloud companies. Your core impact is defining detailed specifications, driving vendor engagement, and closing the loop between field experience and product design to **enable rapid, reliable product releases**.
You'll design and execute **PLC-based test automation** for power infrastructure systems at ON.energy. You will validate **Siemens control systems** and develop Python test scripts. Your work ensures reliable operation across 2.5 GW of hyper-scale campuses.
Document Control Specialist
Houston, Texas, United States | Mexico City, Mexico
You'll lead **document control strategy** for the IPP group, ensuring compliance with regulatory and government standards for land, property, and intellectual property documentation. You'll serve as an **SME in EDMS** and drive process improvements in a hybrid work environment.
Hybrid|Senior|Full-time|Energy
Document Control Specialist
Houston, Texas, United States | Mexico City, Mexico
You'll **administer SharePoint document control systems** for a company building gigawatt-scale power infrastructure for AI data centers. You'll ensure efficient document storage, version control, and compliance across Houston and Mexico City teams. This role offers the chance to **optimize document management processes** in a rapidly scaling clean energy firm.
Hybrid|Senior|Full-time|Energy
Commissioning Engineer
Alpharetta, Georgia, United States | Atlanta, Georgia, United States | Houston, Texas, United States | Miami, Florida, United States | Reston, Virginia, United States
You'll execute system-level commissioning for **mission-critical power systems** at **hyper-scale AI data centers**, leading small on-site teams to drive project milestones. This role offers **high-travel, hands-on field experience** with cutting-edge energy storage and UPS technology.
Remote|Mid|Full-time|Energy
You'll join a small team building **production AI systems** end-to-end, from prototype to deployment and monitoring. You'll partner with the AI Enablement Program Manager to ship reliable, LLM-powered tools that touch most of the company within your first year. Your work will be in front of executives regularly, shaping how AI is adopted across the business.
Site Project Manager, Energy Storage
You'll lead the full lifecycle execution of Battery Energy Storage System projects for data centers, overseeing on-site activities from mobilization through closeout. Your work ensures complex energy infrastructure is completed safely, on time, and within budget, supporting the AI era's power needs. This role offers the chance to collaborate with top cloud and AI companies on gigawatt-scale deployments.
Hybrid|Senior|Full-time|Energy
You'll connect with future opportunities in **renewable energy** and **energy storage** at a company scaling power infrastructure for the AI era. Join a mission-driven team advancing the **clean energy transition**.
Senior Commissioning Engineer
Alpharetta, Georgia, United States | Atlanta, Georgia, United States | Houston, Texas, United States | Miami, Florida, United States | Reston, Virginia, United States
You'll lead **commissioning of mission-critical power systems** for a company building AI-era infrastructure. You'll manage site teams of 10-50 through installation and acceptance testing. This role is field-based with ~80% travel across US project sites.
Hybrid|Senior|Full-time|Energy
Senior AWS Cloud Engineer
You'll lead the design and optimization of **AWS cloud infrastructure** for a company powering AI data centers. Your core impact will be ensuring **scalability, security, and reliability** across hybrid and multi-account environments. This role stands out for its mission to transform power infrastructure for the AI era.
Senior Cybersecurity Engineer
You'll architect and implement technical security controls for our grid-connected energy portfolio, securing the entire data lifecycle from industrial control systems to cloud telemetry. You will own the **Wazuh and Authentik** deployments and **secure AWS environments** and operational field assets. This is a hands-on builder role driving security into the backbone of our energy infrastructure.
Field Service Technician - BESS
Amarillo, Texas, United States
You'll perform **preventative and corrective maintenance** on battery energy storage systems for a company powering **AI data centers**. Your work ensures **grid-scale reliability** for cutting-edge energy infrastructure.
IT Support
Miami, Florida, United States
You'll provide **IT support** for a company building **AI-era power infrastructure**. You'll ensure systems run smoothly, manage assets, and resolve user requests, contributing to reliable operations at a fast-growing clean energy firm. **Remote role** offers flexibility.
Remote|Mid|Full-time|Energy
Engineering Strategy & Operations Manager
Houston, Texas, United States | Reston, Virginia, United States | United States
You'll serve as the operational backbone of the Engineering team within a rapidly scaling Data Center BESS division, sitting at the intersection of engineering, program management, and business operations. You'll translate technical work into measurable outcomes, structured processes, and compelling executive-level communications. This role offers the chance to **create order and efficiency** while **communicating complex engineering performance** to senior leadership with clarity.
Hybrid|Senior|Full-time|Energy
Logistics Analyst
Houston, Texas, United States
You'll own logistics reporting and freight spend analysis for **ON.energy**, a company building power infrastructure for the AI era. Your insights will directly influence cost-saving decisions and operational performance. This role offers **broad visibility** across a rapidly scaling operation with real-world impact.
Program Management Office Coordinator
You'll serve as the operational backbone of On.Energy's PMO, supporting multi-GW deployment programs. You'll own **reporting cadences** and **tooling administration** that keep complex portfolios aligned. This role offers a high-leverage seat in a fast-moving clean energy company enabling the AI era.
Site Readiness Technician– Data Center Energy Storage & Power Systems
Amarillo, Texas, United States
You'll ensure **equipment quality** and **construction standards** for **gigawatt-scale BESS projects** supporting AI data centers. Your inspections will directly impact commissioning readiness and system reliability. This field-based role offers 80% travel across U.S. project sites.
IT Support
Mexico City, Mexico
You'll provide **IT support** for ON.energy's Mexico City office, ensuring systems run smoothly for a team building **AI-era power infrastructure**. Your work keeps critical infrastructure operational as the company scales globally.
Supply Chain Sourcing Manager - Control Panels & Automation Systems
Houston, Texas, United States
You'll **lead sourcing and procurement** for **control panel systems and automation hardware** supporting ON.energy's gigawatt-scale power infrastructure. Your work directly enables the AI era by ensuring timely, cost-effective delivery of **critical electrical components** for hyper-scale deployments.
Remote|Senior|Full-time|Energy
Commissioning Technician II
Amarillo, Texas, United States | United States
You'll oversee **field installation quality** for electrical and mechanical components, managing a small team to ensure systems meet design specs. You'll perform **initial power-up and low-voltage testing** while maintaining a culture of safety. This role offers **hands-on commissioning** of BESS projects at gigawatt scale.
Treasury Analyst
Mexico City, Mexico
You'll support daily cash management, payments, and forecasting for a company building AI-era power infrastructure. You'll **optimize liquidity** across multi-bank, multi-currency accounts and lead **bank fee analysis**. This role offers growth in a **mission-driven clean energy** team.
AI UPS Product Manager
Houston, Texas, United States | Alexandria, Virginia, United States
You'll drive the product development process for **AI UPS systems** at **ON.energy**, a company building power infrastructure for the AI era. Your work will directly impact the deployment of **gigawatt-scale power electronics** that enable hyperscale data centers. This role offers the chance to shape products trusted by top cloud companies and national labs.
Remote|Senior|Full-time|Energy
Total Rewards & People Operations Specialist
Miami, Florida, United States
You'll own **compensation and benefits programs** for a **fast-growing clean energy company** powering AI infrastructure. You'll ensure accurate, scalable people operations across U.S. and Mexico teams.
Senior Product Controls Engineering Manager
Houston, Texas, United States
You'll lead **AI UPS network and controls product design** for a company building power infrastructure for the AI era. Your core impact is delivering **reliable, secure connectivity** across IT, software, and commissioning teams. This role offers the chance to shape products deployed at gigawatt scale.
Planning Analyst - Capacity Planning & Operations Support
Houston, Texas, United States
You'll support **capacity planning** and **master scheduling** for a company building gigawatt-scale power infrastructure for AI. Your analysis of demand and supply data will directly impact workforce and project decisions. This role lets you leverage **AI-driven automation** to streamline operational workflows.
You'll design, deploy, and maintain **AWS cloud infrastructure** for a company building power solutions for AI. You'll own end-to-end cloud environments, from networking to security, with **high independence and impact**.
Project Manager, Energy Storage
You'll lead the full lifecycle of **battery energy storage projects** for **data center clients**. Your work ensures safe, on-time, on-budget delivery of critical power infrastructure. This role offers the chance to shape clean energy solutions at scale.
Hybrid|Senior|Full-time|Energy
You'll provide HSE oversight for **IPP and Data Center projects**, ensuring compliance with safety plans and regulations. Your work will **directly impact scaling power infrastructure** for top cloud and AI companies. This role offers **project-based field work** with a 4-weeks-on/1-week-off rotation.
You'll lead **network and controls hardware design** for gigawatt-scale energy infrastructure projects powering AI data centers. Your work ensures **secure connectivity** across control systems, SCADA, and IT. This product-focused role bridges **industrial controls and IT networking** for mission-critical applications.
Senior Project Manager, Energy Storage
You'll lead the full lifecycle execution of battery energy storage and hybrid energy projects for data centers. You'll serve as the primary client point of contact, ensuring projects are delivered safely, on time, and within budget. This role offers the chance to work with **gigawatt-scale technology** trusted by top cloud and AI companies.
Hybrid|Senior|Full-time|Energy
Senior Mechanical Engineering Manager
You'll lead **mechanical design activities** for energy infrastructure products, ensuring **structural integrity and thermal performance** of equipment. You'll collaborate with cross-functional teams to validate designs under static and dynamic operating conditions.
Senior Compliance Engineer
You'll lead compliance strategy for BESS, power electronics, and electrical distribution systems at a company building gigawatt-scale power infrastructure for AI. You'll serve as the internal authority on North American and international standards, working cross-functionally to ensure products are certifiable and deployable. Your work directly enables **clean energy solutions** for **leading cloud and AI companies**.
You'll lead technical-commercial strategy connecting business development, engineering, and customer teams for BESS and data center power solutions. You'll drive **gigawatt-scale deployments** for **hyperscale data centers** and **utility-scale clients**. This role combines deep energy systems expertise with consultative sales leadership.
Principal Systems Engineer
You'll serve as a technical originator and design authority for new power products, leading **grid-scale energy storage system** development from concept through production. Your work will enable AI and cloud infrastructure by transforming power from a bottleneck into a competitive advantage.
Senior Power Electronics Engineer
You'll lead **power electronics product design** and documentation for **energy infrastructure projects** supporting AI data centers. Your work ensures grid-scale systems are compliant and reliable, transforming power from a bottleneck into a competitive advantage. This role combines product development with project-specific engineering.
Lead Power Systems Engineer, R&D
You'll direct **EMT studies and grid integration modeling** for ON.energy's inverter-based power systems deployed at gigawatt scale. Your work will ensure **compliance with interconnection standards** and **bridge simulation to hardware** for controls development and product improvement.
Program Manager, AI Enablement
You'll build and run ON.energy's enterprise AI adoption program from scratch, turning ambiguity into momentum. You'll partner with AI Engineers to ensure we build the right things and drive adoption across Engineering, Operations, HR, Finance, and Commercial. This high-ownership role reports to the CTO and is ideal for someone who thrives on **creating clarity through execution** and **proving value through rapid delivery**.
Operations & Maintenance Manager
You'll **lead field operations** at a critical data center project, managing a technician team to ensure **asset reliability and customer satisfaction**. You'll champion safety and vendor management, directly impacting the success of **gigawatt-scale power infrastructure** for AI and cloud leaders.
You'll deploy, configure, and maintain **field-level communications infrastructure** for Battery Energy Storage Systems within data centers. Your work ensures **secure, reliable connectivity** across utility-scale renewable energy deployments. This role offers **hands-on technical challenges** with top cloud and AI companies.
Director of Project Engineering
You'll lead **project engineering** for **Battery Energy Storage Systems (BESS)** serving AI data centers. You will own end-to-end technical execution from development through commissioning. This role offers the chance to scale critical power infrastructure for the world's leading cloud and AI companies.
Hybrid|Lead|Full-time|Energy
Product Manager - HMI & SCADA
You'll own the visual design and functional behavior of all operator-facing screens for ON.energy's energy storage and power infrastructure platforms. You'll shape **SCADA interfaces** that operators trust and act on instantly. This screen-first role lets you combine deep Ignition expertise with information design in **high-stakes environments**.
Senior Software Engineer - Marketing Technology
You'll be the primary engineering partner to the **Marketing team**, owning the corporate website built with **Nuxt 4 / Vue 3 / TypeScript**. You'll ship features, manage SEO, and integrate with Storyblok CMS, while also contributing to business process automation and system integrations.