{"id":2868320,"url":"https://alion.io/job/clearspace-flight-software-engineer","title":"Flight Software Engineer","company":{"id":176591,"name":"ClearSpace","domain":"clearspace.today","url":"https://alion.io/company/clearspace","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":{"grade":"B","score":84,"open_postings":7,"ghost_share":0,"stale_share":0.429,"repost_share":0,"time_to_fill_p50_days":65,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Hardware","role_family":"Hardware","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":58000,"max_usd":114000,"period":"year","method":"role_country_seniority_unknown","sample_n":105},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"CI/CD","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-10-19T18:34:31Z","employer_posted_date":"2026-10-19","last_verified_at":"2026-10-21T19:59:35Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"At ClearSpace, we believe in reusability, in affordability driving disruption, and that no progress is real unless it is sustainable.\nOur company was founded in 2018 out of the realization that in-orbit servicing and space debris removal are vital services for the future of space exploration and operations. Today ClearSpace has assembled an expert engineering team and is leading the way toward sustainable space operations. From a garage in Switzerland, we now operate across UK and Europe, and are working with world-leading institutions and companies to bring our dream of a sustainable space ecosystem to life.\nWe are looking for a Flight Software Engineerto join our UK office who will work on both our current missions and future projects.\nRole Purpose/Summary\nGuidance, Navigation and Control (GNC) is a key subsystem of ClearSpace spacecraft and enables the relative navigation and proximity operations that are at the core of our in-orbit servicing missions.\nWe are looking for a Flight Software Engineer to strengthen the interface between the Flight Software and GNC teams. In this role, you will take responsibility for the development, integration, and validation of GNC software within the spacecraft Flight Software.\nYou will contribute to the full software lifecycle, from requirements and design through implementation, verification, and testing on representative spacecraft test benches.\nRole Responsibilities\nMethods and tools\nThe development of state-of-the-art software and simulation environments is a key enabler for ClearSpace missions. The successful candidate will play a leading role in developing and continuously improving the tools and environments used by both the Flight Software and GNC teams, including simulation environments, software development infrastructure, and automated verification frameworks.\nDesign and development\nContribute to GNC design activities, including trade-off analyses involving Flight Software aspects.\nDesign, specify, develop, and maintain the GNC software.\nLead the integration of GNC software into the spacecraft Flight Software.\nSoftware Verification\nDefine and execute software verification activities, including code reviews, static analysis, and software testing. Ensure compliance with software quality and coding standards.\nDesign, implement, execute, and analyse closed-loop GNC software tests on FlatSat and other representative test environments.\nSupport the development and validation of the test bench for the GNC closed-loop tests.\nGNC Subsystem Verification\nContribute to subsystem-level GNC verification and validation activities.\nSupport the preparation, execution, and analysis of GNC test campaigns.\nMust have\nDegree in Aerospace Engineering, Software Engineering, Computer Science, or a related discipline.\nAround 5 years of professional experience.\nProven experience in standard-driven embedded software development.\nFamiliar with software engineering best practices, including version control, testing, and continuous integration.\nNice to have\nKnowledge of GNC subsystem\nExperience with simulation environments and hardware-in-the-loop testing.\nFamiliarity with spacecraft verification and validation activities.\nInformation about our data processing is set out in our candidate data privacy notice.","description_format":"text","description_chars":3284,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Space Services"],"lifecycle":[{"event":"open","at":"2026-10-19T18:34:31Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-21T06:25:45+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":86,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.86,"p_room":1,"age_days":1,"expected_fill_days":65,"reasons":["conf:3","win:early"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/clearspace-flight-software-engineer","json_url":"https://alion.io/job/clearspace-flight-software-engineer.json","meta":{"generated_at":"2026-10-22T01:55:09Z","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":"assistant_verified","counted_by":"address","units_charged":1,"used_today":261,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"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":176591},"rest":"https://alion.io/mcp/rest/get_company?id=176591"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fclearspace-flight-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"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%2Fclearspace-flight-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"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%2Fclearspace-flight-software-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/clearspace-flight-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fclearspace-flight-software-engineer"}]}