Thermal Engineer Intern (Fall 2026)

AstranisSan Francisco, CA
Onsite

About The Position

Internships at Astranis typically last for twelve weeks, and are hourly roles designed for students who are currently enrolled at a four-year university. As an Intern, you will have an amazing opportunity to work on hard problems — we pride ourselves on giving everyone at Astranis a chance to do meaningful work on complex projects, no matter their seniority. Many past interns have designed and tested hardware/software that is heading to space on our first satellite, and many of them are now full-time employees at Astranis. If you have already graduated from a four-year university, please apply to be an Associate Engineer.

Requirements

  • 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

Nice To Haves

  • Experience with CAD
  • Experience with analytical software thermal analysis such as ANSYS and Thermal Desktop
  • Experience with electronics systems design and packaging
  • Experience (projects or previous internships) related to aerospace

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 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 in the installation of thermal hardware as needed.
  • Plan and run thermal vacuum testing and verification at the component and spacecraft level.

Benefits

  • Hourly pay of $29.00
  • Meaningful work on complex projects
  • Opportunity to design and test hardware/software for space
  • Potential for full-time employment after internship
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