{"schemaVersion":"jobsearcher.job.v1","id":"8a19b4b54d999944ea1cc9b7","url":"https://jobsearcher.com/jobs/8a19b4b54d999944ea1cc9b7","canonicalUrl":"https://jobsearcher.com/jobs/8a19b4b54d999944ea1cc9b7","title":"Thermal Engineer III - Advance Programs","description":"Senior Spacecraft Thermal Engineer Quantum Space is redefining mobility and autonomy in cislunar and geostationary space. Our Ranger spacecraft deliver high delta-V and on-orbit maneuverability that enable customers to access, operate, and persist in orbits previously out of reach. We're building the infrastructure, vehicles, and operational expertise that connect and protect assets across the EarthMoon system.\nWe are seeking a Senior Spacecraft Thermal Engineer to lead the development, implementation, and validation of thermal control solutions for our spacecraft platforms. In this high-impact role, you will own major aspects of spacecraft thermal design, analysis, and verification, working closely with a fast-moving team of engineers and scientists to shape the future of in-space systems.\nThis role is for an experienced technical leader who thrives in a startup-paced environment, can take broad responsibility for thermal system performance, and can mentor junior engineers while also rolling up their sleeves for hands-on integration and testing.\nWhere You'll Make an Impact\nLead development of high-fidelity spacecraft thermal models for prediction of on-orbit performance.\nOwn spacecraft-level thermal architecture, including active and passive thermal control design.\nReview, refine, and correlate as-built thermal models and vendor-supplied thermal documentation.\nProvide expert recommendations to mitigate thermal risks across spacecraft lifecycle phases.\nCollaborate closely with mechanical, electrical, and systems engineering teams to ensure spacecraft designs meet thermal requirements.\nSupport thermal vacuum (TVAC) test planning, execution, correlation, and troubleshooting.\nMentor and guide junior thermal engineers; establish best practices and processes for modeling, analysis, and documentation.\nDevelop tools, workflows, and standards within the thermal ecosystem to improve efficiency and repeatability of future programs.\nGenerate simplified models, thermal environments, and interface documentation for suppliers and customers.\nReview and approve component and assembly designs for thermal flight readiness.\nProduce engineering content and analyses for design reviews, test readiness reviews, and verification reports.\nSupport integration, test, and launch-site operations as the subject-matter expert for spacecraft thermal performance.\nWhat It Takes\nBS in Mechanical Engineering, Aerospace Engineering, or related field\n7+ years of relevant thermal engineering experience (spacecraft strongly preferred)\nAdvanced proficiency in Thermal Desktop, SINDA/FLUINT, or equivalent thermal analysis tools\nExperience with spacecraft flight hardware, integration, and thermal vacuum testing\nFamiliarity with NASA, commercial, and industry standards for spacecraft design\nDemonstrated experience correlating thermal models with test data\nAbility to lead technical efforts and operate with a high degree of autonomy\nNice to Have\nExperience with spacecraft operations, thermal limits, and anomaly resolution\nKnowledge of thermal coatings, adhesives, multilayer insulation (MLI), and related materials\nExposure to electrical component thermal modeling and PCB thermal behavior\nExperience with heat pipes, loop heat pipes, radiators, and advanced thermal hardware\nUnderstanding of orbital dynamics and thermal environments across varying mission profiles\nPrior experience in a fast-paced startup or NewSpace environment\nWhat you'll get\nOwnership Lead spacecraft thermal architecture end-to-end, from modeling to flight readiness.\nInnovation Develop advanced thermal solutions and shape next-gen modeling and test workflows.\nImpact Ensure spacecraft survive and perform in space, directly influencing mission success.\nGrowth Expand your technical reach while mentoring engineers and collaborating across teams.\nCompensation Competitive salary, equity, and comprehensive benefits, including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity sharing.\nLocation: Hawthorne, CA\nCompensation: $140,000 - 200,000 Annual Salary\nAdditional Requirements\nTo comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\nApply now. Join us in building the next generation of spacecraft.","company":"Quantum Space","rawCompany":"quantum space","city":"Hawthorne","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-07-02T03:27:44.644Z","occupations":[{"code":"17-2011.00","title":"Aerospace Engineers","slug":"aerospace-engineers"},{"code":"17-2141.00","title":"Mechanical Engineers","slug":"mechanical-engineers"},{"code":"17-2199.00","title":"Engineers, All Other","slug":"engineers-all-other"}],"industries":[{"code":"927110","title":"Space Research and Technology","slug":"space-research-and-technology"},{"code":"336414","title":"Guided Missile and Space Vehicle Manufacturing","slug":"guided-missile-and-space-vehicle-manufacturing"},{"code":"336419","title":"Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing","slug":"other-guided-missile-and-space-vehicle-parts-and-auxiliary-equipment-manufacturing"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Thermal Engineer III - Advance Programs","description":"Senior Spacecraft Thermal Engineer Quantum Space is redefining mobility and autonomy in cislunar and geostationary space. Our Ranger spacecraft deliver high delta-V and on-orbit maneuverability that enable customers to access, operate, and persist in orbits previously out of reach. We're building the infrastructure, vehicles, and operational expertise that connect and protect assets across the EarthMoon system.\nWe are seeking a Senior Spacecraft Thermal Engineer to lead the development, implementation, and validation of thermal control solutions for our spacecraft platforms. In this high-impact role, you will own major aspects of spacecraft thermal design, analysis, and verification, working closely with a fast-moving team of engineers and scientists to shape the future of in-space systems.\nThis role is for an experienced technical leader who thrives in a startup-paced environment, can take broad responsibility for thermal system performance, and can mentor junior engineers while also rolling up their sleeves for hands-on integration and testing.\nWhere You'll Make an Impact\nLead development of high-fidelity spacecraft thermal models for prediction of on-orbit performance.\nOwn spacecraft-level thermal architecture, including active and passive thermal control design.\nReview, refine, and correlate as-built thermal models and vendor-supplied thermal documentation.\nProvide expert recommendations to mitigate thermal risks across spacecraft lifecycle phases.\nCollaborate closely with mechanical, electrical, and systems engineering teams to ensure spacecraft designs meet thermal requirements.\nSupport thermal vacuum (TVAC) test planning, execution, correlation, and troubleshooting.\nMentor and guide junior thermal engineers; establish best practices and processes for modeling, analysis, and documentation.\nDevelop tools, workflows, and standards within the thermal ecosystem to improve efficiency and repeatability of future programs.\nGenerate simplified models, thermal environments, and interface documentation for suppliers and customers.\nReview and approve component and assembly designs for thermal flight readiness.\nProduce engineering content and analyses for design reviews, test readiness reviews, and verification reports.\nSupport integration, test, and launch-site operations as the subject-matter expert for spacecraft thermal performance.\nWhat It Takes\nBS in Mechanical Engineering, Aerospace Engineering, or related field\n7+ years of relevant thermal engineering experience (spacecraft strongly preferred)\nAdvanced proficiency in Thermal Desktop, SINDA/FLUINT, or equivalent thermal analysis tools\nExperience with spacecraft flight hardware, integration, and thermal vacuum testing\nFamiliarity with NASA, commercial, and industry standards for spacecraft design\nDemonstrated experience correlating thermal models with test data\nAbility to lead technical efforts and operate with a high degree of autonomy\nNice to Have\nExperience with spacecraft operations, thermal limits, and anomaly resolution\nKnowledge of thermal coatings, adhesives, multilayer insulation (MLI), and related materials\nExposure to electrical component thermal modeling and PCB thermal behavior\nExperience with heat pipes, loop heat pipes, radiators, and advanced thermal hardware\nUnderstanding of orbital dynamics and thermal environments across varying mission profiles\nPrior experience in a fast-paced startup or NewSpace environment\nWhat you'll get\nOwnership Lead spacecraft thermal architecture end-to-end, from modeling to flight readiness.\nInnovation Develop advanced thermal solutions and shape next-gen modeling and test workflows.\nImpact Ensure spacecraft survive and perform in space, directly influencing mission success.\nGrowth Expand your technical reach while mentoring engineers and collaborating across teams.\nCompensation Competitive salary, equity, and comprehensive benefits, including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity sharing.\nLocation: Hawthorne, CA\nCompensation: $140,000 - 200,000 Annual Salary\nAdditional Requirements\nTo comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual per 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.\nApply now. Join us in building the next generation of spacecraft.","datePosted":"2026-07-02T03:27:44.644Z","dateModified":"2026-07-02T03:27:44.644Z","hiringOrganization":{"@type":"Organization","name":"Quantum Space","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Hawthorne","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"8a19b4b54d999944ea1cc9b7"},"url":"https://jobsearcher.com/jobs/8a19b4b54d999944ea1cc9b7"}}