Satellite Flight Software Systems Engineer

SSI is seeking a Satellite Flight Software Systems Engineer to fill a Systems Engineering and Technical Assistance (SETA) position supporting our customer in Chantilly, VA. In this role, you will oversee the design, development, integration, and testing of flight software systems (bus and payloads) across individual spacecraft vendors. You will work side-by-side with spacecraft vendors to guide development processes, evaluate verification evidence, and resolve flight software concerns. You will leverage domain knowledge in satellite systems and space hardware while receiving direct mentorship from experienced senior spacecraft and flight software SMEs across our customers enterprise engineering teams. Role and Responsibilities include: Oversee the development of spacecraft vendor flight software systems across bus subsystems, payload interfaces, and ground segment overlaps. Work side-by-side with spacecraft vendors, as required, to aid in their development processes and resolve flight software concerns. Participate in vendor Agile software development cycles, sprint planning, and reviews to track development milestones and maintain schedule alignment. Create, review, and evaluate software use cases, system-level requirements, and operational concepts using systems engineering best practices. Evaluate verification evidence provided by spacecraft vendors for compliance with requirements. Assist test teams to ensure flight software systems are thoroughly tested. Deliver clear reports, technical evaluations, and risk assessments regarding spacecraft vendor progress to leadership.