Twenty

You'll build and ship language-model-powered systems that strengthen Twenty's mission-critical cyber capabilities for U.S. national security. You'll own the end-to-end workflow—from curating specialized datasets to deploying reliable inference systems in production.

You'll ensure the reliability of Twenty's mission-critical platform in a restricted, air-gapped AWS environment at a government customer site. You'll define SLIs and SLOs, **lead incident response**, and serve as the technical link between on-site and the engineering team. This role offers **deep technical ownership** with **direct impact on national security**.

You'll build and own Twenty's early career recruiting engine, including campus strategy, events, and full-cycle recruiting for **Software Engineering roles**. Your impact will be delivering top-tier technical talent to a **mission-driven defense tech company**.

You'll run the operating system behind hiring at a defense tech company, owning interview logistics, candidate communications, and ATS integrity. Your work will keep pipelines moving at high speed and accuracy, directly impacting national security. You'll also use AI and automation to scale yourself and flex into sourcing when needed.

You'll own the **frontend architecture** for mission-critical operator experiences, building high-performance interfaces that visualize complex cyber operation data in real time. You'll lead **technical direction for UI systems** and set the bar for engineering quality. You'll be embedded in a cross-functional team shipping capabilities that go directly into operational use.

You'll bridge elite Title 50 cyber tradecraft with **AI-powered cyber operations products** at Twenty, a company defending democracies. Your core impact is scaling operational expertise by 100× through software, ensuring **graph database applications** meet complex mission demands. This role uniquely blends hands-on targeting with product development for **national security impact**.

You'll bridge elite Title 50 cyber tradecraft with Twenty's AI-powered cyber operations products. Your impact will be magnified by translating complex operational workflows into **technical requirements** and designing **operational workflows** for new user groups. This role lets you scale your operational impact 100× through software.

You'll own the frontend architecture for **mission-critical operator experiences**—building high-performance interfaces that visualize complex cyber operation data in real time. You'll lead technical direction for UI systems and mentor engineers. You'll be embedded in a cross-functional team building capabilities that go directly into operational use.

You'll define and drive the long-term technical vision for **offensive cyber research** at Twenty, shaping how we build capabilities that directly impact national security. You'll serve as the principal advisor to executive leadership on strategy and technical risk. This role offers the chance to lead groundbreaking research in **adversary emulation** and attack automation for a mission-driven company.

You'll build backend systems powering Twenty's cyber and electromagnetic capabilities, processing real-time signals with **high-throughput APIs** and **event-driven architectures**. You'll design reliable Go services for **mission-critical national security** outcomes.

You'll build mission-critical operator experiences, implementing complex, high-performance interfaces that **visualize real-time cyber operation data**. You'll own features end-to-end and contribute to frontend architecture. This role directly impacts **national security** in a high-stakes environment.

You'll own the data infrastructure powering Twenty's cyber operations applications, building a durable high-performance data lake. You'll partner with engineers and analysts to turn messy operational data into reliable systems that drive national security missions. This role offers **leadership of technical initiatives** and **mentorship of engineers** in a high-stakes environment.

You'll own interview scheduling and talent ops for a fast-paced defense tech team. Your work keeps pipelines moving at high speed and high accuracy. You'll use **AI tools and automation** to reduce manual work and improve **data integrity** across the ATS.

You'll bridge elite **Title 50 cyber tradecraft** with **AI-powered cyber operations products** to scale operational impact by 100x. You'll translate complex workflows into technical requirements for our engineering team. This role offers the chance to shape missions that directly impact national security.

You'll translate complex operational workflows into product requirements for **cyber and electromagnetic domain** tools. You'll ensure software matches how practitioners actually work under real pressure. This role is for a domain expert who wants to shape products that materially improve national security outcomes.

You'll lead the development of **sophisticated offensive cyber capabilities** that defend democracies worldwide. You'll architect advanced attack path frameworks and establish engineering best practices. This role combines **deep technical leadership** with **direct national security impact**.

You'll build backend systems for Twenty's cyber and electromagnetic capabilities, modeling complex relationships and serving high-throughput APIs at machine speed. You'll design reliable services in Go and partner with domain experts to turn operator needs into durable platform capabilities. This role impacts **mission-critical U.S. national security outcomes** and spans **cloud and on-premises environments**.

You'll own product vision and execution for **offensive cyber mission capabilities**, working directly with engineers and operators. You'll turn complex operational needs into **scalable software** used in real operations under pressure. This role offers the chance to build **high-impact national security products** in a small, high-trust team.

You'll own internal IT operations across devices, user lifecycle, collaboration tools, and office technology at a defense tech startup. You'll build scalable processes and improve endpoint posture to support a high-trust, security-conscious environment. This role offers the chance to build an IT function from the ground up in a mission-driven company.

You'll architect and build **high-throughput backend services** processing real-time operational data for **national security missions**. You'll drive technical execution across cloud and on-prem environments. This role combines deep ownership with direct impact on protecting democracies.

You'll serve as a subject matter expert bridging the gap between revolutionary cyber technologies and real-world operational requirements at a company defending democracies in the digital age. You'll translate operational requirements into technical specifications and validate that our **AI-powered graph database applications** enhance operator decision-making. As the **critical link between cyberspace operations** and development teams, you'll directly impact national security.

You'll serve as the subject matter expert bridging **cyber operations** and **engineering teams**, ensuring AI-powered graph databases meet real-world requirements. You'll translate operational needs into technical specs, validate system effectiveness, and shape next-gen cyber tools. This role directly impacts **national security**.

You'll serve as the subject matter expert bridging the gap between **revolutionary cyber technologies** and **real-world operational requirements** for national security missions. In this role, you'll translate operator workflows into technical specifications for AI-powered graph database applications.

You'll build and own the **security infrastructure** that keeps engineering systems safe without slowing engineers down. You'll embed with engineering teams, design secure-by-default foundations, and build **automation** for runtime security, access control, and compliance. This role reports directly to the VP of Engineering and defines the DevSecOps function.

You'll be the on-site reliability owner for Twenty's **mission-critical platform** in a restricted, air-gapped AWS environment, ensuring uptime and performance for a **government customer**. You'll define SLIs/SLOs, lead incident response, and bridge the gap between customer operations and the Arlington engineering team. This role offers **high autonomy and direct impact** on national security.

You'll own **sourcing-heavy recruiting** for senior software engineers at a defense-tech startup, building Twenty's New York engineering presence from the ground up. Your core impact will be turning cold outreach into high-signal pipelines and hires in a highly competitive market. This builder role lets you shape hiring strategy, candidate experience, and recruiting playbooks from scratch.

You'll drive mission adoption of **AI-native cyber software** for Intelligence Community users, working directly with operators and analysts. Your job is to map real workflows, surface friction, and translate field feedback into product decisions. This role directly impacts **national security missions** at the intersection of cyber and electromagnetic domains.

You'll build **backend systems** that power Twenty's cyber and electromagnetic capabilities, ingesting real-time signals and serving high-throughput APIs. You'll design reliable Go services, work with **graph databases** and event-driven architectures, and deliver **mission-critical outcomes** for national security.

You'll build backend systems for Twenty's cyber and electromagnetic capabilities, designing services in Go for **real-time operational signals** and **event-driven architectures**. Your work will directly support **mission-critical national security outcomes**.

You'll own the data infrastructure powering **cyber operations applications** at a company defending democracies. You'll build a **petabyte-scale data lake** and pipelines that turn messy operational data into reliable, mission-driven systems. This role offers direct impact on national security and the chance to **mentor engineers** as you scale the platform.

You'll design and build **backend systems** that turn real-time operational data into mission-critical capabilities for **national security**. You'll own high-throughput services across cloud and on-prem environments, making high-leverage architecture decisions. This role offers the chance to **directly impact defending democracies** while mentoring engineers.

You'll design, build, and operate **AWS-based infrastructure** for a company developing revolutionary technologies at the intersection of cyber and electromagnetic domains. Your work will directly impact **national security** by ensuring reliability and observability of the application platform. You'll own **core infrastructure** decisions and collaborate closely with product and backend teams.

You'll **design and operate AWS infrastructure** for a national security tech company, building and maintaining CI/CD pipelines and observability. Your work enables **mission-critical outcomes** defending democracies. Join a team of pragmatic optimists delivering game-changing technology.