Software Systems Engineer

Overview As a Software Systems Engineer in SPA's Space and Intelligence Division, you will contribute across the software lifecycle for advanced space vehicle programs. You will ensure software solutions meet mission requirements and integrate smoothly with flight and ground systems, while adhering to security, safety, and quality standards. You will collaborate with software developers, systems engineers, mission operations, cybersecurity specialists, and leadership to deliver reliable, mission-critical capabilities. This role offers the chance to shape space systems in a fast-paced, cross-disciplinary environment and support national defense objectives. You will work in Chantilly, VA, contributing ResponsibilitiesDesign, development, integration, test, deployment, and sustainment of software systems for space vehicle programsServe as a key technical contributor across the system acquisition lifecycleEnsure software interfaces align with flight and ground systems and meet programmatic, security, safety, and quality standardsCollaborate with cross-functional teams including software developers, systems engineers, mission operations, cybersecurity, and program leadershipDeliver reliable, mission-critical capabilities supporting spacecraft operations and mission success Key requirementsUS Citizenship with TS/SCI + Poly clearance at date of applicationBachelor’s degree in Systems Engineering, Software Engineering, Computer Science, Aerospace Engineering, Electrical Engineering, or related technical discipline9+ years of experience in software engineering, systems engineering, or software integrationExperience with the systems engineering lifecycle (requirements, design, integration, test, verification, validation)Knowledge of Agile, DevSecOps, and traditional waterfall development methodologiesExperience with complex integrated systems in aerospace, defense, intelligence, or space environmentsAbility to report to Chantilly, VA on a full-time basisSystems engineering lifecycleAgile, DevSecOps, waterfall methodologiesSpacecraft, satellite, launch vehicle, or ground control systemsFlight software architectures and command-and-control systemsSoftware integration laboratories, hardware-in-the-loop testing, and mission simulations