Thermal Engineer

Application ends: October 1, 2026
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Job Description

Job Detail
  • Mature designs through conceptual, preliminary, and detailed design phases using practical passive and active thermal control techniques
  • Support design trades that successfully balance performance margins, resource use, risk, cost, and schedule
  • Perform 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)
  • Design, evaluate, procure and test thermal solutions such as heaters, heat pipes, thermal interface materials, and surface coatings
  • Develop 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
  • Plan and run thermal vacuum testing and verification at the component and spacecraft level
  • Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team



  • Requirements:

    Bachelor of Science degree in engineering or physics
  • Experience in thermal analysis and thermally-constrained design; computational thermal design experience (finite methods) is not required but highly preferred
  • Proficiency with mechanical CAD
  • A passion and enthusiasm for hardware development, including working in a fast-paced environment and hands-on design and development
  • Don’t meet them all? Not a problem
  • Please apply even if you do not meet all these criteria



  • Bonus:

    Experience with Thermal Desktop
  • Experience with Electronics Packaging and Printed Circuit Board (PCB) design
  • Experience building and operating high vacuum systems


    What we offer:

    All our positions offer a compensation package that includes equity and robust benefits


  • Base pay is a single component of Astranis’s total rewards package, which also include equity in the form of incentive stock options, high quality company-subsidized healthcare, disability and life insurance benefits, flexible PTO, 401(K) retirement, and free on-site catered meals


  • Astranis 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


  • Base Salary

    $110,000—$140,000 USD

    U
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  • Citizenship, Lawful Permanent Residency, Or Refugee/Asylee Status Required

    (To comply with U
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  • Government space technology export regulations, applicant must be a U
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  • citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U
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  • C
  • 1324b(a)(3))

    Our mission and our products are meant to connect the world and everyone in it, regardless of gender, race, creed, or any other distinction
  • We believe in a diverse and inclusive workplace, and we encourage all people to join our team and bring their unique perspective to help make us stronger
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