Launch Systems Integration Engineer & Technical Advisor (SETA)

SSI is seeking a Launch Systems Integration Engineer & Technical Advisor (SETA) to support mission-critical national security space programs within the Department of the Air Force and government partner organizations in Chantilly, VA. In this role, you will serve as a primary technical advisor and liaison bridging government program offices, payload developers, launch service providers, and operational stakeholders. You will lead technical evaluations, mission baselining, and integration activities across the mission lifecycle—from early concept development, trade studies, and requirements management through launch site ground processing, day-of-launch operations, and post-flight mission analysis. Role and Responsibilities include: Technical Integration & Mission Assurance Serve as a primary technical advisor coordinating across government agencies, payload developers, launch service providers, and range authorities. In this capacity, you will support end-to-end mission integration, baseline definition,trade studies, and technical risk assessments. Responsibilities include evaluating engineering products, monitoring interface compatibility, supporting milestone and technical readiness reviews, and guiding activities to ensure alignment with applicable range safety, regulatory, and operational requirements. Launch Campaign Execution & Mission Operations Manage technical baselines, engineering change proposals (ECPs), deviations, and non-conformances related to vehicle interfaces and launch site ground processing. Provide on-site and console engineering support at launch base facilities (such as Cape Canaveral SFS,Vandenberg SFB, and Wallops Flight Facility) during spacecraft processing, encapsulation, transport, and mate operations. Contribute to and support technical readiness activities, including Launch Readiness Reviews (LRRs), Mission Readiness Reviews (MRRs), countdown dress rehearsals, and day-of-launch operations. Assess post-flight telemetry data and flight performance metrics to deliver comprehensive mission success reports to leadership. Monitor aerospace industry advancements, emerging launch vehicle technologies, and new entrant capabilities to inform future mission planning.