{"id":1297164,"url":"https://alion.io/job/ascend-arc-learn-more-seniorprincipal-thermal-engineer","title":"Senior/Principal Thermal Engineer","company":{"id":3790022,"name":"Ascend Arc Learn More","domain":"ascendarc.com","url":"https://alion.io/company/ascend-arc-learn-more","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Gem","truth_index":{"grade":"C","score":62,"open_postings":11,"ghost_share":0.636,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-24T06:02:35Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"lead","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Portland, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":210000,"currency":"USD","period":"year","gross":null,"usd_annual":210000},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ANSYS","optional":false},{"name":"Thermal Desktop","optional":false}],"status":"live","first_seen_at":"2026-07-10T17:12:05Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-24T05:59:49Z","board_verified":true,"closed_at":null,"days_open":105,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":105},"description":"Come join us in shaping the future! Get in on the ground floor as an early member of our Mechanical Engineering team as a Thermal Engineer developing a revolutionary satellite communications system. Connect the vision to the hardware, build it, test it and fly it.\nAscendArc is a startup founded to revolutionize the satellite communications industry. We are looking for doers who want to work in a ground-breaking and fast-paced environment. Our success will depend on your energy, skill, and creativity.\nResponsibilities\nLead the development of global spacecraft thermal models and subsystem trade studies. \nDefine and implement thermal control system specifications and test requirements. \nTranslate mission environments into thermal design requirements, balancing heritage systems with first-principles analysis. \nInfluence hardware qualification plans and support test campaigns with analysis, instrumentation planning, and data interpretation. \nQualifications\nBachelor’s or Master’s degree in Mechanical or Aerospace Engineering, with a focus in thermal sciences or related discipline\n5+ years of experience in thermal analysis, preferably in spacecraft or aerospace applications\nProficiency with industry-standard thermal modeling tools, Ansys Thermal Desktop preferred\nStrong understanding of thermal control systems, space environments, and heat transfer fundamentals\nHands-on experience supporting thermal testing, including instrumentation planning and data analysis\nWho We’re Looking For \nWe’re searching for exceptional talent at any career stage - from early-career engineers to senior and staff-level experts. Compensation will be adjusted accordingly. More than years of experience, we value high-caliber individuals with the drive and creativity to help launch Oregon’s first commercial communications satellite.\nWe’re looking for people who:\nThrive in a cradle-to-grave design environment and take ownership from concept through launch.\nBring energy, curiosity, and a responsible engineering mindset.\nWant to work alongside other exceptional people in an environment where great ideas rise to the top.\nHybrid Work\nThis position is based at our Beaverton office. We value the collaboration that comes from working together in person, while also supporting flexibility. Team members typically spend three days a week in the office and may work from home up to two days each week.\nBase Salary\nThe base salary range for this position is $180,000 - $210,000/year. When determining an individual’s compensation, we consider several factors including skillset, experience, job scope, and current market data, so pay for this role may vary from the amounts listed.\nLegal Eligibility to Work\nDue to U.S. export control regulations, this position is only open to “U.S. persons.” That means you must be a U.S. citizen, a lawful permanent resident (green card holder), or have refugee/asylee status. Unfortunately, we cannot consider applicants on temporary work visas (such as H-1B, TN, O-1, etc.) for this role.\nEqual Employment Opportunity\nAscendArc is an equal opportunity employer that does not discriminate on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor or legally protected status.","description_format":"text","description_chars":3461,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":true,"languages":[]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Communications","C4ISR","Military Communication"],"lifecycle":[{"event":"open","at":"2026-09-26T09:56:48Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long shot","p_open":1,"p_active":0.184,"p_room":0.28,"age_days":105,"expected_fill_days":22,"reasons":["conf:0","stale_co","ghost","win:tail","crowd:"],"computed_at":"2026-10-24T06:02:35Z"},"pay":{"stated_usd_annual":210000,"is_top_pay":true},"html_url":"https://alion.io/job/ascend-arc-learn-more-seniorprincipal-thermal-engineer","json_url":"https://alion.io/job/ascend-arc-learn-more-seniorprincipal-thermal-engineer.json","meta":{"generated_at":"2026-10-24T07:12:28Z","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":10657,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-25T00:00:00Z"}},"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":3790022},"rest":"https://alion.io/mcp/rest/get_company?id=3790022"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fascend-arc-learn-more-seniorprincipal-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%2Fascend-arc-learn-more-seniorprincipal-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%2Fascend-arc-learn-more-seniorprincipal-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/ascend-arc-learn-more-seniorprincipal-thermal-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fascend-arc-learn-more-seniorprincipal-thermal-engineer"}]}