Flight Software Systems Engineer Sr

Lockheed Martin•Highlands Ranch, CO

2d•Onsite

About The Position

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 re-imagining 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. This position is contingent on program award expected early Q2 2026 This position is for a Software Systems Engineer supporting the Space Software Product Line Mobile User Objective System Service Life Extension (MUOS SLE) Flight Software Team. This role will support the entire flight software development lifecycle (design, integration, test) for the Bus and Payload Flight Software domains. Responsibilities could include working in a collaborative environment interacting with peers, other SSPL FSW, SmartSat team members, and occasional customer interactions. This includes supporting the development of Specifications and Interface Control Documents, test scenarios to test new capability or verify defect fix, and participating in system testing activities with other organizations. This role requires close collaboration across different IPTs on the program and with vendors to develop, test, and verify the flight software in a dynamic, agile environment with hardware in the loop.

Requirements

Knowledge of Software/Systems Engineering concepts and processes
Demonstrated ability to communicate clearly and effectively both verbally and in writing is required.

Nice To Haves

JIRA / Agile Methodology
Experience performing Software testing or SW/HW integration activities
Experience with Spacecraft Bus or Payload Flight Software

Responsibilities

supporting the development of Specifications and Interface Control Documents
test scenarios to test new capability or verify defect fix
participating in system testing activities with other organizations
close collaboration across different IPTs on the program and with vendors to develop, test, and verify the flight software in a dynamic, agile environment with hardware in the loop