{"id":694938,"url":"https://alion.io/job/logosspace-sr-space-vehicle-autonomy-engineer","title":"Senior GNC Software Engineer","company":{"id":716959,"name":"Logos Space","domain":"logos.space","url":"https://alion.io/company/logos-6","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"C","score":56,"open_postings":19,"ghost_share":0.737,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-17T05:46:00Z"}},"role":"Hardware","role_family":"Hardware","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Mountain View, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":190000,"max":220000,"currency":"USD","period":"year","gross":null,"usd_annual":220000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Human-in-the-Loop","optional":false},{"name":"Python","optional":false},{"name":"C++","optional":true},{"name":"GMAT","optional":true},{"name":"Julia","optional":true}],"status":"live","first_seen_at":"2026-06-09T17:19:30Z","employer_posted_date":"2026-06-09","last_verified_at":"2026-10-17T21:25:55Z","board_verified":true,"closed_at":null,"days_open":130,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":129},"description":"Logos Space is a Low Earth Orbit (LEO) satellite system purpose-built to serve the connectivity needs of the commercial enterprise users and government users. We will help fill an important gap in the market, providing resilient, high-performance satellite-based connectivity services to enterprise and government customers worldwide. Business customers have contracts with agreed-upon performance standards for their broadband, and Logos will build these capabilities into the system from the beginning. Speed and reliability are the foundation of the system. Logos is designed to extend cloud and data center network connectivity anywhere in the world to fixed, seaborne, and airborne terminals.\nLogos is led by a team of highly experienced engineers with proven track records in the networking and satellite industries.\nPosition Summary, Responsibilities, & Qualifications\nLogos is seeking a Senior GNC Software Engineer to lead the development of our onboard, real-time beam control system. You will be responsible for designing, developing, integrating and testing the pointing control software that will keep Logos space networking constellation running smoothly. This role connects low-level estimation and control software with high-level mission requirements - motion to mission!\nYou should be prepared to work and thrive in a fast moving environment where you are comfortable taking vague design ideas and turning them into practical software that is ready to fly. We are seeking engineers who love to solve hard problems\nResponsibilities\nOwnership of external interface between spacecraft and payload GNC data\n\nManage the internal interfaces between payload beam control flight software, mechanically-steered antenna hardware, electronically steerable antennas, and optical intersatellite crosslink terminals.\n\nPerform detailed attitude determination, control, disturbance rejection, and pointing performance analyses that bridge connect link budgets with pointing budgets\n\nConduct closed-loop testing using software-in-the-loop (SITL) simulations, hardware-in-the-loop (HITL) simulations, and FlatSat platforms to validate algorithm function and performance.\n\nParticipate in the full software development lifecycle, including requirements definition, architecture design, coding, and code reviews.\n\nProvide technical support for mission operations, including anomaly resolution and the development of operational procedures\n\nBasic Qualifications\nEducation: Bachelor’s or Master's degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or a STEM field (Science, Technology, Engineering, or Math).\n\nExperience: Senior-level applicants with prior spacecraft/payload GN&C software development experience.\n\nTechnical Proficiency:\nExperience, knowledge, skill or interest in traditional spacecraft attitude state estimation and control algorithms.\n\nProficiency in Python\n\nExperience with Agile development practices, DevOps and workflow management tools\n\nPreferred Qualifications\nMaster's degree in Mechanical Engineering, Electrical Engineering, Aerospace Engineering, or a STEM field (Science, Technology, Engineering, or Math) with relevant design and analysis work experience for senior level applicants\n\nProficiency with simulation tools such as Ansys (Analytical Graphics, Inc.) Systems Tool Kit (STK), or GMAT for system modeling.\n\nProficiency in C/C++ or Julia\n\nExperience developing and validating operational spacecraft Guidance, Navigation and Control (GN&C) systems\n\nAbility to obtain and maintain a U.S. Government Security Clearance","description_format":"text","description_chars":3578,"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":[],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-09-11T01:44:19Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.191,"p_room":0.28,"age_days":129,"expected_fill_days":26,"reasons":["conf:0","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":220000,"is_top_pay":true},"html_url":"https://alion.io/job/logosspace-sr-space-vehicle-autonomy-engineer","json_url":"https://alion.io/job/logosspace-sr-space-vehicle-autonomy-engineer.json","meta":{"generated_at":"2026-10-17T22:06:04Z","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":7111,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":716959},"rest":"https://alion.io/mcp/rest/get_company?id=716959"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flogosspace-sr-space-vehicle-autonomy-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%2Flogosspace-sr-space-vehicle-autonomy-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%2Flogosspace-sr-space-vehicle-autonomy-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/logosspace-sr-space-vehicle-autonomy-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flogosspace-sr-space-vehicle-autonomy-engineer"}]}