System Integration/Testing Engineer - Level 5 (Secret)

Lockheed Martin•Fairfax, VA

3d•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 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 Space is seeking a Level 5 System Integration/Testing Engineer to lead the integration, test, and verification of advanced Global Navigation Satellite System (GNSS) and Satellite‑Based Augmentation System (SBAS) solutions. The role involves applying rigorous systems‑engineering and software‑development processes, ensuring compliance with industry‑standard development‑assurance guidelines, and delivering high‑reliability navigation capabilities for our commercial customers.

Requirements

Familiar with the application of systems engineering and software development processes to the design, development, integration, test, and verification of complex systems.
Experience with Global Navigation Satellite System (e.g. GPS, Galileo, etc.)
Experience with the application of one or more of the following development assurance standards: SAE ARP4754A, SAE ARP4761, RTCA DO-178, RTCA DO-278A, and RTCA DO-254
Must have an Interim Secret Clearance to start with the ability to obtain and maintain a Secret clearance. (Must be a U.S. Citizen)

Nice To Haves

Satellite Based Augmentation System experience
Systems engineering background (requirements, design, interfaces, etc.)
Safety certification experience
Willingness / ability to travel
Secret clearance

Responsibilities

Integration & Test Lead – Develop and execute integration, test, and verification (IT&V) plans for GNSS/SBAS hardware and software, including test‑procedure creation, test execution, data analysis, and reporting.
Assurance Standards Application – Apply SAE ARP4754A, SAE ARP4761, RTCA DO‑178C, DO‑278A, and/or DO‑254 as appropriate to ensure safety, reliability, and airworthiness.
Risk & Safety Analysis – Conduct hazard assessments, FMEA, and other safety analyses; mitigate technical and program risks.
Cross‑Disciplinary Coordination – Work closely with software, hardware, RF, electrical, and mission‑operations teams to resolve integration issues.
Mentorship & Expertise – Provide technical guidance to junior engineers and serve as a subject‑matter expert on GNSS/SBAS technologies.
Stakeholder Interaction – Communicate status, risks, and technical findings to customers, suppliers, and subcontractors.