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Thermal Intern (Summer 2027)

Astranis· Operations
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San Francisco, CAFull-timePosted 3w ago

About the role

Internship at Astranis working on design, evaluation, build, and test of satellite hardware and software with a focus on thermal analysis and thermal solutions for spacecraft systems. 12-week program for current four-year university students; paid hourly role.

Responsibilities

  • Work together with the engineering team to design, evaluate, build, and test satellite hardware and/or software.
  • 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 hardware such as propulsion components, batteries, high powered electronics, RF components, mechanisms, and 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 in the installation of thermal hardware as needed.
  • Plan and run thermal vacuum testing and verification at the component and spacecraft level.

Qualifications

  • Currently pursuing a B.S. or M.S. in mechanical, aerospace, or equivalent technical degree (e.g. physics or applied math)
  • A passion and enthusiasm for hardware development, including working in a fast-paced environment and hands-on design and development
  • Demonstrated ability to personally design, build, and test hardware from scratch.
  • US Citizenship or Green Card
  • Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria.

Skills

Nice to have:CADAnalytical thermal analysis software (e.g., ANSYS, Thermal Desktop)Electronics systems design and packaging
Last updated Oct 21, 2026. Interested? Apply on the company site.
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About Astranis

Advanced satellites for high orbits.

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. With 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. Astranis has raised over $750 million from some of the world’s best investors, from Andreessen Horowitz to Blackrock, and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.

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