{"id":1644058,"url":"https://alion.io/job/terranorbital-spacecraft-thermal-engineer-iii","title":"Spacecraft Thermal Engineer (I/II)","company":{"id":2287085,"name":"Terran Orbital","domain":"terranorbital.com","url":"https://alion.io/company/terranorbital","size_band":"51-200","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":9,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":38,"computed_at":"2026-10-21T05:46:15Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","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":["Irvine, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":80000,"max":100000,"currency":"USD","period":"year","gross":null,"usd_annual":100000},"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"MATLAB","optional":false},{"name":"Python","optional":false},{"name":"SolidWorks","optional":false},{"name":"Thermal Desktop","optional":false}],"status":"live","first_seen_at":"2026-09-15T16:44:31Z","employer_posted_date":"2026-09-15","last_verified_at":"2026-10-21T06:12:14Z","board_verified":true,"closed_at":null,"days_open":35,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":35},"description":"Join a team where your impact reaches beyond the stars! At Terran Orbital, you’re not just part of the system - you’re a vital force propelling our mission forward. As trailblazers in satellite manufacturing and aerospace innovation, we shatter boundaries daily to deliver groundbreaking solutions that power our nation’s defense and commercial missions. We are a unique, fast growing, and trusted team dedicated to swiftly and efficiently designing, building, launching, and operating state of the art satellites for advanced mission constellations. If you’re driven by purpose, inspired by challenges, and ready to leave your mark on the universe, you’ll find a home and endless opportunities for growth here. Together, let’s redefine what is possible in orbit and beyond!\nTerran Orbital is seeking an experiencedSpacecraft Thermal Engineer to join our growing team. Reporting to the Thermal Engineering Manager, the Spacecraft Thermal Engineer will be involved in all aspects of a spacecraft's development. They will support spacecraft thermal systems configuration from the concept level through design reviews, design verification, and operations. In addition to predictive and analytical work, the Sr. Engineers may serve in team leadership roles or as subject area experts.\nWe are open to a level I (Associate Engineer) or level II (Engineer) for this position. \nKey Duties and Responsibilities\nWork with a multidisciplinary team to reduce thermal risk by identifying the constraining elements of a thermal design and recommend mitigation strategies from the concept level to design, production, and operation.\nWork with spacecraft system engineers to translate spacecraft CONOPS (Concept of Operations) into representative thermal design scenarios.\nDevelop thermal models of active and passive thermal designs using a mixture of numerical solutions and hand calculations of spacecraft systems, subsystems, avionics, and mechanisms that predict temperature margins in a variety of thermal space environments/\nParticipate in spacecraft build and testing campaigns related to the thermal design aspect of the spacecraft including periods of off-hours or on-call work.\nDevelop thermal verification test plans and support test activities, monitor and correlate test results to model predictions.\nPrepare technical documents and PowerPoint presentations to present the results of analysis and tests to Managers, Customers, and/or Stakeholders\nSupport Business Development activities, including proposals, white papers, and requests for information.\nDevelop tools to support concept trade studies and post-processing analysis.\nOther duties as applicable to thermal engineer may be assigned as necessary.\nQualifications and Skills\nBachelors in mechanical or aerospace engineering with a Thermal focus or similar discipline.\n0+ years of experience (Associate Engineer - Level 1) in thermal engineering or similar disciplines related to spacecraft\n2+ years of experience (Engineer - Level 2) in thermal engineering or similar disciplines related to spacecraft\nMust have experience leading teams and mentoring entry-level engineers.\nProficiency with Thermal Desktop is a must.\nMust possess an understanding of the basic principles of radiation and conduction heat transfer in conjunction with space environment heating effects and parameters associated with spaceflight applications.\nDeep understanding of orbital mechanics and thermal design considerations with respect to MEO, LEO, GEO, and other orbits.\nProven knowledge of spacecraft mission design and associated subsystems/architecture as relates to thermal design.\nStrong knowledge of spacecraft thermal design management and surface treatments.\nExperience with process development, as pertains to thermal analysis methods, testing methods or model correlation.\nKnowledge of environmental requirements, engineering, thermal vacuum/ambient pressure testing, and hands-on engineering project experience, including use of data acquisition systems.\nComfortable working in a fast-paced, start-up environment with a strong desire to be a leader/key contributor on a small team.\nHighly responsible team player with a positive attitude and excellent communication and documentation skills.\nExperience with SolidWorks or other CAD software.\nExperience developing detailed thermal and simplified thermal models for spacecraft systems, subsystems, and components.\nProficiency with computational scripting languages (MATLAB, Python, Mathematica, etc.).\nU.S. Citizenship with ability to obtain and maintain DoD security clearance.\nAdditional Differentiators\nMaster of Science degree in Mechanical or Aerospace engineering with a Thermal focus or similar discipline.\nMaster of Science degree substitutes for two years of experience.\nPh.D. degree substitutes for five years of experience.\nExperience with technical leadership responsibilities, such as serving on Risk Reduction teams or as Subject Area Expert.\nOwnership of technical issues with respect to Engineering Review Boards, NCRs and other engineering anomalies with the expectation of bringing it to resolution.\nExperience with build integration and testing of propulsion, thermal, electrical, and structural systems; including, but not limited to, vibration, shock, thermal, vacuum, and radiation testing.\nExperience in a production environment within the space/ aerospace industry.\nSalary Ranges\nAssociate Spacecraft Thermal Engineer (Level III) - $80k to $100k\nSpacecraft Thermal Engineer (Level II) - $100k to $130k\nYour actual level and base salary will be determined case-by-case and may vary based on the job-related qualification, knowledge, skills, education, and experience. In addition to base salary, we offer 100% covered medical, dental, and vision coverage, a 401(k) match, Flexible Time Off (FTO), covered life insurance, maternity and paternity leave, tuition reimbursement, employee referrals, and lots of swag! \nSalary Range\n$80,000—$130,000 USD\nFull-time positions only:\nBenefits\n100% Company-paid comprehensive medical, dental, and vision coverage for you and your dependents\n401(k) Match\nFlexible Time Off (FTO)\nEducation Reimbursement\nCompetitive Paid Parental Leave\nAbout Terran Orbital \nTerran Orbital is a leading manufacturer of satellite products primarily serving the aerospace and defense industries. Terran Orbital provides end-to-end satellite solutions by combining satellite design, production, launch planning, mission operations, and on-orbit support to meet the needs of the most demanding military, civil, and commercial customers. Learn more at www.terranorbital.com\nPhysical Demands\nAn employee must meet the physical demands described to perform the essential functions of this job successfully. In performing the duties of this job, the employee is routinely required to sit or stand for long durations of time, in addition to bending, reaching, and walking. This would require the ability to lift or move objects up to 10 pounds and occasionally lift or move objects up to 25 pounds. This position is generally sedentary, with substantial computer usage.\nWork Environment\nThe job operates in a professional office environment but in a manufacturing company. This job routinely uses standard office equipment such as computers, phones, photocopiers, and scanners.\nDisclaimers\nTo comply with U.S. Government space technology export regulations, the applicant must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. In addition, please note that this position may require a current United States National Security clearance or eligibility for such a clearance.\nTerran Orbital is an Equal Opportunity/Affirmative Action Employer. We consider applicants without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, or membership in any other group protected by federal, state, or local law.\nIf you need assistance or accommodation due to a disability, you may contact us at .\nTerran Orbital does not accept unsolicited resumes from recruiters, employment agencies, or staffing firms. To conduct business with Terran Orbital, a Master Services Agreement (MSA) must be executed and confirmed prior to submitting any information relating to a potential candidate. Without a signed MSA, Terran Orbital shall not be responsible to any individual or entity for any payment relating to any form of fee or compensation.\nAnd, in the event that a resume or candidate is submitted by a recruiter, an employment agency, or a staffing firm without a fully executed MSA, Terran Orbital has the unrestricted right to pursue and hire any of those candidate(s) without any legal or financial responsibility to the recruiter, agency, and/or firm.","description_format":"text","description_chars":8986,"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":["Flexible time off","Life insurance","Parental leave"],"hiring_locations":[{"name":"United States","iso":"US","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Satellite Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-01T22:57:11Z"}],"visa":[],"liveness":{"score":61,"band":"ok","label":"Likely open","p_open":1,"p_active":0.808,"p_room":0.75,"age_days":35,"expected_fill_days":38,"reasons":["conf:3","urgency","win:late"],"computed_at":"2026-10-21T05:46:15Z"},"pay":{"stated_usd_annual":100000,"is_top_pay":false},"html_url":"https://alion.io/job/terranorbital-spacecraft-thermal-engineer-iii","json_url":"https://alion.io/job/terranorbital-spacecraft-thermal-engineer-iii.json","meta":{"generated_at":"2026-10-21T08:57:58Z","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":12738,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"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":2287085},"rest":"https://alion.io/mcp/rest/get_company?id=2287085"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fterranorbital-spacecraft-thermal-engineer-iii"},{"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%2Fterranorbital-spacecraft-thermal-engineer-iii"},{"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%2Fterranorbital-spacecraft-thermal-engineer-iii"},{"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/terranorbital-spacecraft-thermal-engineer-iii\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fterranorbital-spacecraft-thermal-engineer-iii"}]}