{"id":3748641,"url":"https://alion.io/job/loft-orbital-flight-dynamics-software-engineer","title":"Flight Dynamics Software Engineer","company":{"id":4539,"name":"Loft Orbital","domain":"loftorbital.com","url":"https://alion.io/company/loft-orbital-solutions","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":88,"open_postings":7,"ghost_share":0,"stale_share":0.286,"repost_share":0,"time_to_fill_p50_days":86,"computed_at":"2026-11-07T05:47:08Z"}},"role":"Backend","role_family":"Backend","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":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":175000,"max":210000,"currency":"USD","period":"year","gross":null,"usd_annual":210000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":true,"has_equity":true,"technologies":[{"name":"Python","optional":false},{"name":"GMAT","optional":true},{"name":"Orekit","optional":true},{"name":"STK","optional":true}],"status":"live","first_seen_at":"2026-11-04T13:23:21Z","employer_posted_date":"2026-11-04","last_verified_at":"2026-11-07T08:22:50Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Wanna join the adventure?\nLoft Orbital is looking for a Flight Dynamics Software Engineer to join the Ground Platform organization.\nYou'll work on a small and driven team, developing our flight dynamics software stack so that it can:\nScale to fly 50+ satellites in orbit in a highly automated, reliable, and safe (from a collision avoidance perspective) manner\nEnable new conops and customer missions with demanding orbit determination, stationkeeping, and attitude performance requirements\nWe're looking for someone with a solid theoretical understanding of astrodynamics, operational flight-dynamics experience, and software-engineering foundations. If you enjoy solving hard problems and working in a fast-paced and supportive environment, we'd love to hear from you.\nAbout this role:\n Implement and improve upon algorithms for orbit determination, orbit propagation, maneuver planning (stationkeeping/orbit transfer), conjunction assessment, collision avoidance, and attitude modeling, contributing to our open-source astrodynamics tooling that powers both flight operations and simulation work across the company\nDevelop and maintain the in-house flight dynamics ground software backend applications that compute, store, and serve our fleet’s ephemerides, maneuvers, conjunctions, target orbits, etc\nInterface with systems and missionengineers to help translate technicalmission requirements and customer demands into operational outcomes in orbit\n Support satellite operations engineers by providing astrodynamics expertise during LEOP/anomalies/conjunction response and assisting with configuring our software stack for various customer missions\nMust Haves:\nBachelor's degree in physics or an engineering discipline\nDeep technical understanding of some of the following topics:orbital mechanics, state estimation, spacecraft maneuver planning, conjunction assessment, and spacecraft attitude modeling\nFundamentals of numerical methods: solvers, optimization, and simulation techniques\nExperience with designing and developing software libraries and backend services, preferably in Python.\nExcellent communication skills, both written and verbal\nNice to Haves:\nMaster’s degree in physics or an engineering discipline\nProficiency in astrodynamics tools such as STK, Astrogator, GMAT, OreKit, Monte, Copernicus, OpenSpaceToolkit, or equivalent.\nDemonstrated practical experience in spacecraft constellation flight dynamics operations\nDemonstrated practical experience building high-performance backend software applications and/or libraries\nCapable of solving complex problems within a highly collaborative environment\nSome of Our Awesome Benefits:\n100% company-paid medical, dental, and vision insurance option for employees and dependents\nFlexible Spending (FSA) and Health Savings (HSA) Accounts offered with an employer contribution to the HSA\n100% employer paid Life, AD&D, Short-Term, and Long-Term Disability insurance\nFlexible Time Off policy for vacation and sick leave, and 12 paid holidays\n401(k) plan and equity options\nDaily catered lunches and snacks\nInternational exposure to our team in France\nFully paid parental leave; 14 weeks for primary caregiver and 10 weeks for secondary caregiver\nCarrot Fertility provides comprehensive, inclusive fertility healthcare and family-forming benefits with financial support\nOff-sites and many social events and celebrations\nRelocation assistance when applicable","description_format":"text","description_chars":3419,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Equity","Flexible time off","Parental leave","Relocation assistance","Vision insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":true,"industries":["Satellite Manufacturing","Space Services"],"lifecycle":[{"event":"open","at":"2026-11-04T14:27:08Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 5","filings_12m":5,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":142500,"route":null,"cap_exempt":false,"checked_at":"2026-11-07T07:57:00+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":1}],"liveness":{"score":90,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.903,"p_room":1,"age_days":2,"expected_fill_days":86,"reasons":["conf:1","velocity","win:early"],"computed_at":"2026-11-07T05:47:08Z"},"pay":{"stated_usd_annual":210000,"is_top_pay":true},"html_url":"https://alion.io/job/loft-orbital-flight-dynamics-software-engineer","json_url":"https://alion.io/job/loft-orbital-flight-dynamics-software-engineer.json","meta":{"generated_at":"2026-11-07T12:07:57Z","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":13201,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-08T00:00:00Z"}},"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":4539},"rest":"https://alion.io/mcp/rest/get_company?id=4539"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Floft-orbital-flight-dynamics-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%2Floft-orbital-flight-dynamics-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%2Floft-orbital-flight-dynamics-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/loft-orbital-flight-dynamics-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Floft-orbital-flight-dynamics-software-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3748641}},{"tool":"search_jobs","arguments":{"company":"loftorbital.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3748641},"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); 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