DevSecOps Engineer

About Legion
Let’s be real, AI isn’t magic;
Legion was built to move beyond AI hype-delivering secure, reliable systems that work alongside the people tackling the world’s most critical challenges.
Born from a Department of Defense partnership and trusted by leaders across government and enterprise, Legion embeds intelligence inside complex systems, unlocking data, accelerating human workflows, and strengthening mission-critical systems. We don’t replace workflows-we optimize them, ensuring quality, efficiency, and reliability inside the platforms our partners already use.
With world-class collaborators like Palantir, Nvidia, HPE, and Oracle, we’re building intelligent infrastructure that enhances human capability and drives impact at the edge and across a range of enterprises.
We’re looking for bold thinkers and doers to join us in shaping the future of AI that’s secure, grounded, and built to work.

Location:

US - remote with travel (up to 50%).
Clearance:
Active US Department of War (DoW) or Intelligence TS required.
Legion Intelligence is the agent workspace where national security work comes back done. Legion runs on the systems and networks mission teams already use, including classified networks and places with no connection at all.
Each Legion Pack is set up for a specific job, so the reports, plans, and work orders teams build by hand arrive finished and ready to approve. People decide who can act, on what data, and when. Agents do the work. You stay in charge.
We’re looking for a Staff Dev Sec Ops  Engineer who will set technical direction across Platform Dev Ops and customer delivery. You will shape the engineering systems and practices that take Legion from development to dependable operation, enabling teams to deliver improvements faster and customers to realize mission value sooner.

Job Description:

This position requires a US DoW or Intelligence TS/SCI clearance.
As a Staff Dev Sec Ops  Engineer on the Mission Engineering team, which also owns Platform Dev Ops, you will provide technical leadership across internal build and release systems, platform operations, and customer deployments. You will work directly with customer mission owners, IT teams, and security stakeholders to understand their needs, achieve technical alignment, and deliver Legion into their operating environments.

You will define the architecture and improvement roadmap for this domain and lead complex initiatives from problem definition through deployment, adoption, and measured results. Your scope includes internal CI/CD, observability and alerting, vulnerability posture, deployment automation, and production reliability. You will translate mission needs and operating constraints into technical decisions, resolve tradeoffs across teams, and turn recurring delivery barriers into durable improvements to Legion.

You will remain hands-on in delivering the platform to customers while guiding engineers and establishing practices that make the whole team more effective.

Set and drive the technical roadmap for Platform Dev Ops and customer deployment engineering. Identify the constraints that most limit delivery of mission value, build the case for investment, and lead improvements with clear outcomes for delivery speed, reliability, and security.
Own technical alignment with customer stakeholders throughout delivery. Lead architecture and readiness discussions with mission owners, IT teams, and security reviewers; agree on deployment approach, integration requirements, responsibilities, and acceptance criteria; and resolve technical disagreements and dependencies with clear decisions and follow-through.decisions, integrations, and accelerate implementation.
Define the architecture and standards for…