{"id":4020391,"url":"https://alion.io/job/space-systems-integration-satellite-flight-software-systems-engineer","title":"Satellite Flight Software 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":89,"open_postings":25,"ghost_share":0,"stale_share":0.44,"repost_share":0,"time_to_fill_p50_days":40,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":null,"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":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"C++","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-11-10T13:24:00Z","employer_posted_date":"2026-11-10","last_verified_at":"2026-11-10T14:51:00Z","board_verified":true,"closed_at":null,"days_open":0,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":0},"description":"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.\nIn this role, you will oversee the design, development, integration, and testing of flight software systems (bus and payloads) across individual spacecraft vendors.\nYou 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.\nRole and Responsibilities include:\nOversee the development of spacecraft vendor flight software systems across bus subsystems, payload interfaces, and ground segment overlaps.\nWork side-by-side with spacecraft vendors, as required, to aid in their development processes and resolve flight software concerns.\nParticipate in vendor Agile software development cycles, sprint planning, and reviews to track development milestones and maintain schedule alignment.\nCreate, review, and evaluate software use cases, system-level requirements, and operational concepts using systems engineering best practices.\nEvaluate verification evidence provided by spacecraft vendors for compliance with requirements. Assist test teams to ensure flight software systems are thoroughly tested.\nDeliver clear reports, technical evaluations, and risk assessments regarding spacecraft vendor progress to leadership.\nRequired Qualifications:\nBachelor’s degree in Aerospace Engineering, Electrical Engineering, Systems Engineering, Physics,or a closely related STEM field from an accredited university.\nStrong background in aerospace engineering and spacecraft systems with a minimum of 7 years of experience. \nSolid domain knowledge of satellite software systems and operations (e.g., Guidance,Navigation & Control [GNC], networking, power management, command and data handling, and flight computers).\nExpertise in software operating on space vehicles and associated flight hardware.\nExperience working in Agile development environments, creating software use cases, and writing/executing flight software test plans.\nDemonstrated ability to rapidly come up to speed on complex software and requirements, backed by strong leadership and technical communication skills.\nExperience working within DoD or Intelligence Community (IC) programs.\nActive TS/SCI security clearance.\nDesired Qualifications:\nMaster’s degree in Aerospace Engineering, Electrical Engineering, Systems Engineering, Physics, or a related field.\nTen (10) years of DoD/IC or relevant industry hands-on work experience with commercial and/or Government satellite systems.\nHands-on software development experience in a modern programming language (e.g.,C, C++, Python).\nExperience with a cloud development environment.\nFamiliarity with cybersecurity requirements and Risk Management Framework (RMF) practices for space vehicles.","description_format":"text","description_chars":3078,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Space & Aerospace","Space Services","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-11-10T14:51:00Z"}],"visa":[],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":0,"expected_fill_days":40,"reasons":["conf:0","win:early"],"computed_at":"2026-11-10T15:31:21Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/space-systems-integration-satellite-flight-software-systems-engineer","json_url":"https://alion.io/job/space-systems-integration-satellite-flight-software-systems-engineer.json","meta":{"generated_at":"2026-11-10T15:31:21Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":1778,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-11T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.1,"usd":0.01,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":16333},"rest":"https://alion.io/mcp/rest/get_company?id=16333"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fspace-systems-integration-satellite-flight-software-systems-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":2,"usd":0.2},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fspace-systems-integration-satellite-flight-software-systems-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.1,"usd":0.01},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fspace-systems-integration-satellite-flight-software-systems-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/space-systems-integration-satellite-flight-software-systems-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fspace-systems-integration-satellite-flight-software-systems-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":4020391}},{"tool":"search_jobs","arguments":{"company":"ssi.space","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":4020391},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. Docs: https://alion.io/developers"}}