{"id":254150,"url":"https://alion.io/job/cesiumastro-combustion-devices-engineer-ii","title":"Combustion Devices Engineer II","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":85,"open_postings":40,"ghost_share":0,"stale_share":0.6,"repost_share":0.025,"time_to_fill_p50_days":48,"computed_at":"2026-11-10T06:52:35Z"}},"role":"Aerospace","role_family":"Aerospace","seniority":"middle","employment_type":"full_time","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":108000,"max":129900,"currency":"USD","period":"year","gross":null,"usd_annual":129900},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Siemens NX","optional":false},{"name":"SolidWorks","optional":false},{"name":"ANSYS","optional":true},{"name":"GD&T","optional":true},{"name":"MATLAB","optional":true}],"status":"live","first_seen_at":"2026-06-03T17:28:53Z","employer_posted_date":"2026-06-03","last_verified_at":"2026-11-10T05:13:26Z","board_verified":true,"closed_at":null,"days_open":159,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":159},"description":"We are looking to add a Combustion Devices Engineer II to our team. In this role, you will work across the full hardware lifecycle from early concepts and CAD models through manufacturing, test execution, and design iteration.\nJOB DUTIES AND RESPONSIBILITIES\nDesign and develop a variety of combustion devices of liquid rocket engine, combustion chambers, pre-burners, igniters. Create models and drawings of parts and assemblies. Perform calculations and analyses with team support.\nCreate schematics and document processes.\nOwn requirements definition, architecture trades, and system-level integration for assigned subsystems.\nWork with manufacturing team to create finished engine parts. Support parts through 3d-printing, machining, post processing, and inspection. Incorporate feedback to improve design for manufacturing.\nDevelop and execute test programs, analyze experimental data, and apply findings to optimize designs.\nCollaborate across mechanical, aerospace, and controls engineering teams to deliver flight-ready hardware.\nJOB REQUIREMENTS AND MINIMUM QUALIFICATIONS\nBachelor’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.\n2+ years of experience with mechanical design, development, fabrication, assembly, or test (internships included)\nStrong proficiency in CAD tools (Siemens NX, SolidWorks) - the ability to model complex three-dimensional geometry of the combustion chamber cooling channel.\nFamiliarity with aerospace safety and reliability practices.\nExcellent written and verbal communication skills.\nAbility to work as a teammate and independently to achieve ambitious goals.\nPREFERRED EXPERIENCE\nPrior experience designing of liquid rocket engine, combustion chambers, pre-burners, igniters or other rocket systems.\nPractical experience in test bench setup and performance diagnostics.\nHands-on engineering (Full-stack: computer to wrench to broom).\nGeometric dimensioning and tolerancing (GD&T).\nExperience in a start-up or rapid development environment.\nExperience with tools such as ANSYS and MATLAB.","description_format":"text","description_chars":2058,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Embedded & Electronics Design","Satellite Communications","RF & Wireless Hardware"],"lifecycle":[{"event":"open","at":"2026-09-05T11:13:44Z"}],"visa":[{"country":"US","licensed_sponsor":true,"adverts_offering_sponsorship_24m":0,"sanctioned_now":false,"evidence":"H-1B filings in 12 months: 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