{"id":212457,"url":"https://alion.io/job/ispace-senior-mission-analysis-engineer","title":"Senior Mission Analysis Engineer","company":{"id":7409,"name":"ispace","domain":"ispace-inc.com","url":"https://alion.io/company/ispace-inc","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"B","score":84,"open_postings":54,"ghost_share":0.259,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":57,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Tokyo, Japan"],"countries":["JP"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"GMAT","optional":false},{"name":"Godot","optional":false},{"name":"Orekit","optional":false},{"name":"STK","optional":false}],"status":"live","first_seen_at":"2026-07-07T09:38:06Z","employer_posted_date":"2026-07-07","last_verified_at":"2026-10-30T04:24:06Z","board_verified":true,"closed_at":null,"days_open":114,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":113},"description":"ispace is looking for Senior Mission Analysis & Flight Dynamics engineer to join our growing team.\nAs a Senior Mission Analysis & Flight Dynamics engineer, you will support lunar missions by designing and optimizing spacecraft trajectories, analyzing mission performance, and developing flight dynamics tools. You will work closely with mission operations teams to ensure safe and efficient execution of lunar missions.\nResponsibilities\nTrajectory design. Support lunar mission design through trajectory analysis and optimization, generating launch windows while accounting for landing site, orbital, and mission constraints.\n\nCovariance analysis. Optimize correction maneuvers by assessing and mitigating the impact of navigation and execution uncertainties.\n\nSoftware engineering. Design, develop, and maintain in-house astrodynamics libraries to support mission analysis, trajectory design, and flight dynamics activities.\n\nRequirements management. Contribute to the definition, traceability, verification, and validation of mission requirements.\n\nProcesses refinement. Identify inefficiencies in existing processes and develop improvements to enhance efficiency, quality, and reliability.\n\nOperations. Support Flight Dynamics critical operations with Orbit Determination and Maneuver Planning for ispace’s lunar missions on a 24/7 environment.\n\nRequired skills\n5+ years of experience on Mission Analysis in in cis-lunar or deep space missions.\n\nProfessional experience with Orbital Mechanics libraries and tools: GMAT, STK, MONTE, Orekit, Godot or similar.\n\nProfessional software development experience: continuous maintenance, sprint-based delivery, testing activities, version control, dockerized environments.\n\nFamiliarity with at least one of the following concepts:\nCircular Restricted 3-Body Problem (CR3BP)\n\nCovariance analysis\n\nLambert Transfer\n\nB-plane targeting\n\nPreferred skills\nFlight Dynamics development and/or operations.\n\nKnowledge about cislunar environment: ELFO, NRLO, Halo, etc.\n\nExperience interfacing launch providers (e.g. Space-X, ULA, Ariane, MHI, Rocket Lab).\n\nExperience using MONTE library.","description_format":"text","description_chars":2122,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[{"name":"Japan","iso":"JP","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Space Services"],"lifecycle":[{"event":"open","at":"2026-09-05T08:36:22Z"}],"visa":[],"liveness":{"score":20,"band":"cold","label":"Long shot","p_open":1,"p_active":0.704,"p_room":0.28,"age_days":114,"expected_fill_days":57,"reasons":["conf:1","velocity","win:tail","crowd:"],"computed_at":"2026-10-30T05:48:23Z"},"pay":null,"html_url":"https://alion.io/job/ispace-senior-mission-analysis-engineer","json_url":"https://alion.io/job/ispace-senior-mission-analysis-engineer.json","meta":{"generated_at":"2026-10-30T06:17:48Z","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":8729,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-31T00:00:00Z"}},"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":7409},"rest":"https://alion.io/mcp/rest/get_company?id=7409"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fispace-senior-mission-analysis-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%2Fispace-senior-mission-analysis-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%2Fispace-senior-mission-analysis-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/ispace-senior-mission-analysis-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fispace-senior-mission-analysis-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":212457}},{"tool":"search_jobs","arguments":{"company":"ispace-inc.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":212457},"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. 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