System Integration/Testing Engineer - Level 3 (Secret)

Overview 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 are creating future‑ready solutions, focusing on resiliency and urgency through our 21st Century Security vision. We are erasing boundaries and forming partnerships across industries and around the world. We are advancing spacecraft and the workforce to fuel the next generation. And we are reimagining how space can connect us, ensuring security and prosperity. Position Lockheed Martin Space is seeking a Level5 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. Responsibilities Develop and execute integration, test, and verification plans for GNSS/SBAS hardware and software, including test‑procedure creation, test execution, data analysis, and reporting. Apply SAEARP4754A, SAEARP4761, RTCADO-178C, DO-278A, and/or DO-254 as appropriate to ensure safety, reliability, and airworthiness. Conduct hazard assessments, FMEA, and other safety analyses; mitigate technical and program risks. Work closely with software, hardware, RF, electrical, and mission‑operations teams to resolve integration issues. Provide technical guidance to junior engineers and serve as a subject‑matter expert on GNSS/SBAS technologies. Communicate status, risks, and technical findings to customers, suppliers, and subcontractors. Benefits Medical Dental 401k Paid time off Work/life balance Career development Mentorship opportunities Rewards & recognition Basic Qualifications Familiar with the application of systems engineering and software development processes to design, development, integration, test, and verification of complex systems. Experience with Global Navigation Satellite System (e.g., GPS, Galileo, etc.). Must have an Interim Secret Clearance to start with the ability to obtain and maintain a Secret clearance. Must be a U.S. Citizen. Desired Skills Satellite Based Augmentation System familiarity. Knowledge of Global Navigation Satellite System (e.g., GPS, Galileo, etc.). Systems engineering background (requirements, design, interfaces, etc.). Willingness / ability to travel. Ability to obtain and maintain a Secret clearance. Security Clearance Statement This position requires a government security clearance; you must be a U.S. Citizen for consideration. Equal Opportunity Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. Additional Information Experience Level: Experienced Professional Business Unit: SPACE Relocation Available: Possible Career Area: Systems Engineering: System of Systems Integration Type: Full‑Time Shift: First #J-18808-Ljbffr