{"id":2053404,"url":"https://alion.io/job/cesiumastro-staff-propulsion-engineer","title":"Staff Propulsion Engineer","company":{"id":5315,"name":"CesiumAstro","domain":"cesiumastro.com","url":"https://alion.io/company/cesiumastro","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":{"grade":"A","score":86,"open_postings":31,"ghost_share":0,"stale_share":0.548,"repost_share":0,"time_to_fill_p50_days":48,"computed_at":"2026-10-13T05:45:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["El Segundo, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":150000,"max":181000,"currency":"USD","period":"year","gross":null,"usd_annual":181000},"salary_estimate":null,"experience_years_min":8,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"SolidWorks","optional":false}],"status":"live","first_seen_at":"2026-10-07T21:13:25Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-13T11:23:48Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"We are looking to add a Staff Propulsion Engineer to our team. If you enjoy working in a startup environment, and have expertise in the structural and thermal design of launch vehicle (LV) components and systems, including tanks, fairings, and related hardware, we would like to hear from you\nIn this position, you serve as a subject matter expert, overseeing subsystem development from concept through flight, while ensuring compliance with performance, safety, and reliability requirements. This role requires both deep technical expertise and the ability to guide and mentor engineering teams within a fast-paced start-up environment.\nThe ideal candidate will have a strong background in FEA and thermal simulations, combined with hands-on experience in experimental development and testing of high-performance aerospace systems. This role involves close collaboration with an international R&D team to optimize performance and reliability of LV hardware.\nJOB DUTIES AND RESPONSIBILITIES\nLead the design, analysis, and development of primary and secondary launch vehicle structures, stage interfaces, and payload accommodations.\nPerform static and transient structural and thermal analysis of LV components and systems to ensure mechanical integrity under operational loads.\nDevelop and execute test programs, analyze experimental data, and apply findings to optimize designs.\nPrepare CAD models for FEA analysis and manufacturing.\nGenerate technical documentation, including reports, specifications, and contributions to PDRs and CDRs.\nCollaborate across mechanical, aerospace, and controls engineering teams to deliver flight-ready systems.\nMentor junior and senior engineers to build technical understanding and professional development.\nParticipate in mission operations, anomaly investigations, and continuous improvement initiatives.\nJOB REQUIREMENTS AND MINIMUM QUALIFICATIONS\nBachelor's degree in Mechanical Engineering, Aerospace Engineering, or a related field.\n8+ years of industry experience in aerospace design and analysis.\nExpertise in Ansys tools: Mechanical, Explicit Dynamics (LS-Dyna), Linear and Nonlinear Eigenvalue Buckling, Harmonic Response, and Random Vibrations.\nProficiency in MATLAB for programming, data analysis, and optimization.\nProficiency in CAD tools (SolidWorks, NX).\nStrong foundation in systems engineering principles, requirements flowdown, and integration.\nHands-on experience with hardware development, testing, and qualification.\nStrong analytical and problem-solving skills with close attention to detail.\nExcellent written and verbal communication skills.\nPREFERRED EXPERIENCE\nPrior experience with cryogenic systems, liquid rocket systems, and LV components.\nHands-on experience designing and improving LV hardware.\nKnowledge of manufacturing and technological processes for aerospace parts.\nFamiliarity with aerospace safety and reliability practices.\nExperience in a start-up or rapid development environment.","description_format":"text","description_chars":2959,"description_truncated":false,"requirements":{"experience_years_min":8,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Professional development"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Embedded & Electronics Design","Satellite Communications","RF & Wireless Hardware"],"lifecycle":[{"event":"open","at":"2026-10-07T22:33:43Z"},{"event":"close","at":"2026-10-09T16:08:39Z"},{"event":"reopen","at":"2026-10-09T19:16:51Z"}],"visa":[{"country":"US","licensed_sponsor":true,"evidence":"H-1B filings in 12 months: 2","filings_12m":2,"filings_prev_12m":0,"green_card_filings_12m":0,"median_offered_wage_usd":152500,"route":null,"cap_exempt":false,"checked_at":"2026-10-03T21:08:04+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":5,"expected_fill_days":48,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-13T05:45:00Z"},"pay":{"stated_usd_annual":181000,"is_top_pay":true},"html_url":"https://alion.io/job/cesiumastro-staff-propulsion-engineer","json_url":"https://alion.io/job/cesiumastro-staff-propulsion-engineer.json","meta":{"generated_at":"2026-10-13T13:07:13Z","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 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