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. The Fleet Ballistic Missile (FBM) Program is seeking a Responsible Engineer to support Systems Engineering Integration and Test (SEIT) for the Trident II ballistic missile on the Life Extension 2 (LE2) program. The SEIT team oversees interface definitions, plans and executes verification processes, and supports development project under the FBM Program for LE2. The LE2 Missile Responsible Systems Engineer (RSE) is the technical advocate for the missile system throughout the product’s life cycle, including requirements definition design development, integration, testing, and mission operations. This role provides engineering authority and accountability for missile‑specific requirements, performance, reliability, and safety throughout the system life‑cycle. This role provides engineering authority and accountability for missile‑specific requirements, performance, reliability, and safety throughout the system lifecycle.