Systems Engineer Stf

Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin is designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will provide enhanced communications capacity, flexibility and resiliency. This position will be a key member of the Systems Engineering, Integration and Test (SEIT) team in support of the final design, development, production, integration, test, and delivery of this critical capability focused on Design Integration. In this role you will:

Support integrity of system/segments/subsystems design, integration, verification and certification, including compliance of segment requirements, sub-system specs, ICDs, CONOPS, and hardware and software to achieve physical-logical integration

Assist design team to ensure system interfaces are properly specified, integrated, tested and verified from development through ATLO and launch

Support technical leadership and critical readiness assessments for major design reviews

Ensure technical baseline management by application of engineering rigor, consistency, attention to detail, and technical integrity

Provide thought-leadership to proactively engage with program leadership &/or customer to resolve open actions or concerns

Support systems/hardware integration, test planning and execution and find opportunities for build flow and test efficiencies

This position is contingent on program award, expected in 3Q 2026. Applicant selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information.