{"id":3308400,"url":"https://alion.io/job/astranis-thermal-engineer","title":"Thermal Engineer","company":{"id":171728,"name":"Astranis","domain":"astranis.com","url":"https://alion.io/company/astranis","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":82,"open_postings":93,"ghost_share":0,"stale_share":0.516,"repost_share":0,"time_to_fill_p50_days":83,"computed_at":"2026-10-30T05:48:23Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"junior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["San Francisco, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":130000,"max":165000,"currency":"USD","period":"year","gross":null,"usd_annual":165000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"ANSYS","optional":true},{"name":"Thermal Desktop","optional":true}],"status":"live","first_seen_at":"2024-03-18T20:09:34Z","employer_posted_date":"2026-10-26","last_verified_at":"2026-10-30T22:28:50Z","board_verified":true,"closed_at":null,"days_open":956,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":954},"description":"Astranis builds advanced satellites for high orbits, expanding humanity’s reach into the solar system. Today Astranis satellites provide dedicated, secure networks to highly-sophisticated customers across the globe - large enterprises, sovereign governments, and the US military. \nWith five satellites on orbit and many more set to launch soon, the company is servicing a backlog of more than $1 billion of commercial contracts. Astranis is the preferred satellite communications partner for buyers with stringent requirements for uptime, data security, network visibility, and customization.\nAstranis has raised over $1.2 billion from some of the world’s best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.\nThermal Engineer \nAs an Astranis Thermal Engineer, you will design, evaluate and test thermal solutions ranging from electronic chips to full spacecraft thermal vacuum tests. You must have a strong problem-solving background as well as hands-on testing skills. Experience with spacecraft or printed circuit board thermal mitigation are benefits but not required.\nRole\nMature designs through conceptual, preliminary, and detailed design phases using practical passive and active thermal control techniques\nSupport design trades that successfully balance performance margins, resource use, risk, cost, and schedule\nPerform thermal analysis to varying degrees of fidelity (simplified to detailed) on a variety of different types of hardware such as propulsion components, batteries, high powered electronics, RF components, mechanisms, and printed circuit boards (PCBs)\nDesign, evaluate, procure and test thermal solutions such as heaters, heat pipes, thermal interface materials, and surface coatings\nDevelop processes and procedures for integration and assembly which ensure thermal design intent is met. Collaborate with the integration and test team; provide assistance with the installation of thermal hardware as needed\nPlan and run thermal vacuum testing and verification at the component and spacecraft level\nRequirements\nBachelor of Science degree in engineering or physics\n2+ years of experience in a thermal/mechanical role\nExperience in thermal analysis and thermally-constrained design; computational thermal design experience (finite methods) is not required but highly preferred\nProficiency with mechanical CAD\nA passion and enthusiasm for hardware development, including working in a fast-paced environment and hands-on design and development\nDon't meet them all? Not a problem. Please apply even if you do not meet all these criteria.\nBonus\nExperience with Thermal Desktop\nExperience with ANSYS Mechanical or ANSYS IcePak\nExperience with Electronics Packaging and Printed Circuit Board (PCB) design\nExperience building and operating high vacuum systems\nExperience designing for a vacuum environment or environments with large temperature swings\nWhat we offer: \nAll our positions offer a compensation package that includes equity and robust benefits.\nBase pay is just one component of Astranis’s total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.\nAstranis pay ranges are informed and defined through professional-grade salary surveys and compensation data sources. The actual base salary offered to a successful candidate will additionally be influenced by a variety of factors including experience, credentials & certifications, educational attainment, skill level requirements, and the level and scope of the position.\nBase Salary\n$130,000—$165,000 USD\nU.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required\n(To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3))\nOur mission and products are built for everyone, regardless of gender, race, creed, or background. We believe in a diverse and inclusive workplace, and we invite all people to join our team and bring their unique perspectives to make us stronger.\nAstranis SMS Terms of Service\nRecruiting Updates: By opting in, you agree to receive SMS updates, interview coordination, and recruiting communications from Astranis Space Technologies Corp.\n\nOpt-Out: You can cancel this service at any time by replying STOP. We will send one final text confirming your unsubscription.\n\nOpt-In Again: To resume receiving messages, reply START or YES.\n\nSupport & Rates: For assistance, reply HELP or contact us at +16504498097. Message and data rates may apply. Message frequency varies; carriers are not liable for delayed or undelivered messages.\n\nPrivacy: For details on how we protect your data, view our Privacy Policy.","description_format":"text","description_chars":5133,"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":["Equity","Life insurance","Retirement plans","Stock options"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Communications","Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-27T02:24:44Z"}],"visa":[],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.106,"p_room":0.28,"age_days":955,"expected_fill_days":83,"reasons":["conf:1","stale_co","win:tail","crowd:junior,brand"],"computed_at":"2026-10-30T05:48:23Z"},"pay":{"stated_usd_annual":165000,"is_top_pay":true},"html_url":"https://alion.io/job/astranis-thermal-engineer","json_url":"https://alion.io/job/astranis-thermal-engineer.json","meta":{"generated_at":"2026-10-31T01:38:36Z","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":2223,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-01T00:00:00Z"}},"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":171728},"rest":"https://alion.io/mcp/rest/get_company?id=171728"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fastranis-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%2Fastranis-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%2Fastranis-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/astranis-thermal-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fastranis-thermal-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":3308400}},{"tool":"search_jobs","arguments":{"company":"astranis.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":3308400},"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. Docs: https://alion.io/developers"}}