{"id":3207806,"url":"https://alion.io/job/space-systems-integration-space-vehicle-systems-engineer","title":"Space Vehicle Systems Engineer","company":{"id":16333,"name":"Space Systems Integration","domain":"ssi.space","url":"https://alion.io/company/ssi","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":85,"open_postings":18,"ghost_share":0,"stale_share":0.611,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-10-31T05:58:55Z"}},"role":"Automotive","role_family":"Automotive","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Chantilly, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":230000,"currency":"USD","period":"year","gross":null,"usd_annual":230000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2025-09-30T15:41:56Z","employer_posted_date":"2025-09-30","last_verified_at":"2026-10-31T04:08:41Z","board_verified":true,"closed_at":null,"days_open":395,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":395},"description":"SSI is seeking a Space Vehicle Systems Engineer with a strong desire to enhance space resiliency. This position provides Systems Engineering and Technical Advisory (SETA) support to our customer in Chantilly, VA, offering unparalleled insight into an emerging mission area and opportunities to secure our nation’s space enterprise.\nThe Space Vehicle Systems Engineer will provide SETA support to a customer charged with delivering solutions across rapidly expanding complex space and ground system initiatives. The Space Vehicle Systems Engineer will work closely with Government and SETA staff to plan, deliver, maintain, and enhance critical mission capabilities for the customer enterprise.\nThe Space Vehicle Systems Engineer supports the System Program Office (SPO) in a technical capacity for planning, execution, monitoring, and oversight of satellite system development and acquisitions that advance the space resiliency posture.\nThe Space Vehicle Systems Engineer is an individual contributor and member of a team of high-performing Subject Matter Experts (SMEs) that directly support the Government through lifecycle systems engineering and management processes to deliver critical space resiliency capabilities.\nSpecific Duties Include:\nSupport Contract Officer/Contract Officer Technical Representatives (CO/COTRs) and Developers by coordinating with other technical domain Subject Matter Experts (SMEs) and program stakeholders to achieve a detailed understanding of the systems, designs, and interfaces necessary to satisfy mission requirements. \nRepresent the government client to development contractors by participating in programmatic, design, and readiness reviews, as well as various working groups.\nDevelop documents and briefings to communicate work or study status, brief Government and industry as required.\nProvide support to the acquisition, source selection, and programmatic processes.\nAssist COTR in managing space vehicle technical budgets, design integration, and system test efforts with close collaboration with subsystem SETAs and COTRs. \nAssist with the development of proposal documentation and subsequent technical evaluation of contractor proposals.\nDesign and implement technical solutions for new business needs and challenges.\nRequired Qualifications\nMaster’s degree in an engineering, scientific, or technical discipline, and a minimum of 10 years of relevant experience.\nExperience with space systems design, development, assembly, integration, and testing.\nExperience with the Intelligence Community (IC) and/or the Department of War\nExperience with IC architectures, spacecraft, and payloads.\nAbility to lead and be the primary point of contact for one or more projects.\nEffective interpersonal skills (across multiple groups, offices, and organizations) and strong customer engagement skills.\nAbility to communicate very technical subjects to a diverse audience of senior decision-makers with varying levels of technical expertise using effective briefing and writing.\nAbility to work in a fast-paced, dynamic, and team environment\nMust possess an active Top Secret/SCI clearance and CI polygraph (polygraph within the last ten (10) 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