{"id":2138769,"url":"https://alion.io/job/cesiumastro-senior-staff-thermal-engineer","title":"Senior Staff Thermal 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":"B","score":84,"open_postings":40,"ghost_share":0,"stale_share":0.625,"repost_share":0,"time_to_fill_p50_days":47,"computed_at":"2026-10-23T05:54:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Westminster, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":184000,"max":246000,"currency":"USD","period":"year","gross":null,"usd_annual":246000},"salary_estimate":null,"experience_years_min":12,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"SolidWorks","optional":false},{"name":"Thermal Desktop","optional":false},{"name":"MATLAB","optional":true},{"name":"Python","optional":true}],"status":"closed","first_seen_at":"2026-10-08T22:40:17Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-23T12:34:38Z","board_verified":false,"closed_at":"2026-10-23T12:34:38Z","days_open":14,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":14},"description":"We are looking to add a Senior Staff Thermal Engineer to our team. If you enjoy working in a startup environment and are passionate about developing leading-edge hardware for satellites, spacecraft, and aerospace systems, we would like to hear from you.\nIn this position, you will be responsible for the design, analysis, and validation of thermal control systems for CesiumAstro’s next-generation products. The ideal candidate will combine extensive experience in developing and analyzing thermal management systems for spacecraft, satellite electronics, and airborne systems with deep knowledge in space and aerospace thermal environments.\nAs a senior member of a cross-functional team, you will be responsible for thermal designs from initial concept design through requirements definition, detailed design, simulation/analysis, manufacturing, testing, qualification of CesiumAstro's products. You will work closely with other electrical and mechanical engineers on an integrated team to develop highly optimized solutions.\nThe successful candidate will also present engineering design review materials to customers and upper management, as well as participate in proposal-writing efforts. As such, excellent written and verbal communication skills are required.\nJOB REQUIREMENTS AND MINIMUM QUALIFICATIONS\nA Bachelor of Science (BS) or higher in Mechanical, Thermal, or Aerospace Engineering from an accredited university or institution. \n12 years of industry experience in thermal/mechanical design and analysis utilizing a mixture of numerical and analytical techniques. A Master of Science may count as 2 years of experience. \nExpertise in electronics/PCBA, box, and system-level thermal design and analysis. \nStrong proficiency in professional simulation tools such as ANSYS (preferred) or Thermal Desktop, as well as MCAD tools such as SolidWorks (preferred). \nStrong mechanical engineering and heat transfer foundation. \nExperience designing and analyzing radiative, conductive and convective heat transfer for various applications.\nExperience building thermal resistance networks and reduced order thermal models for complex thermal systems. \nExperience correlating thermal models with thermal chamber or TVAC test results. \nExperience developing analysis automation tools (spreadsheet or script-based). \nFamiliarity with common manufacturing processes for thermal control systems. \nFamiliarity with the development of thermal control systems and fixtures for lab environments. \nPREFERRED EXPERIENCE\nExpertise in thermal management of phased array and/or high-power RF electronics. \nExperience in thermal analysis of electronics at the die, lead-frame, and package level. \nProficiency with computational scripting languages (Matlab, Python, Mathematica, etc.).","description_format":"text","description_chars":2771,"description_truncated":false,"requirements":{"experience_years_min":12,"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":"2026-10-09T02:33:45Z"},{"event":"close","at":"2026-10-09T16:08:39Z"},{"event":"reopen","at":"2026-10-09T19:16:51Z"},{"event":"close","at":"2026-10-23T12:34:38Z"}],"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":"2026-10-15T11:24:14+00:00","sources":["US Department of Labor: LCA disclosure data (H-1B, H-1B1, E-3)"],"filings_for_role_12m":0}],"liveness":null,"pay":{"stated_usd_annual":246000,"is_top_pay":true},"html_url":"https://alion.io/job/cesiumastro-senior-staff-thermal-engineer","json_url":"https://alion.io/job/cesiumastro-senior-staff-thermal-engineer.json","meta":{"generated_at":"2026-10-23T16:31:41Z","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":24997,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-24T00:00:00Z"}},"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":5315},"rest":"https://alion.io/mcp/rest/get_company?id=5315"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fcesiumastro-senior-staff-thermal-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%2Fcesiumastro-senior-staff-thermal-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%2Fcesiumastro-senior-staff-thermal-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/cesiumastro-senior-staff-thermal-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fcesiumastro-senior-staff-thermal-engineer"}]}