Propulsion Test Intern (Summer 2027)

San Francisco Aerospace Internship Posted Sep 22, 2026
Apply on Astranis (opens in a new tab) Sourced via job-boards.greenhouse.io · Posted 2026-09-22

About this role

Astranis is hiring a Propulsion Test Intern (Summer 2027), internship, on-site in San Francisco, in the Aerospace sector.

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 $1.2 billion from some of the world’s best investors, including Andreessen Horowitz, Baillie Gifford, Blackrock, Fidelity, Franklin Templeton, and Snowpoint, and employs a team of 500 engineers and entrepreneurs. Astranis designs, builds, and operates its satellites out of its 153,000 sq. ft. headquarters in Northern California, USA.

Propulsion Test Intern (Summer 2027)

Role

As our Propulsion Test Engineering Intern, you will oversee propulsion component and system level test plan definition, test equipment design & build, and testing itself. You will work cross-functionally to ensure stakeholder and industry requirements are met while also considering cost and schedule implications of testing.

  • Design, build, test, and qualify tests and test equipment for Astranis propulsion systems
  • Perform component and system level design, analysis, and trade studies for test equipment
  • Develop and execute component and system level test plans
  • Work closely with other teams to complete tasks

Requirements

  • Working towards a degree in aerospace, mechanical, or other applicable engineering discipline
  • A passion for testing, including working in a fast-paced environment and doing hands-on design/development
  • Demonstrated ability to personally design, build, and test hardware from scratch
  • Compulsion to fix anything that's broken, whether its a piece of equipment, a bad process, or communication between teams

Bonus

  • Experience building or testing liquid propulsion systems
  • Experience with Python
  • Familiarity with reading and writing technical standards and test plans
  • Experience with using MES/ERP software
The base pay for this position is $29.00 per hour. Base Hourly Pay $29 — $29 USD U.S. Citizenship, Lawful Permanent Residency, or Refugee/Asylee Status Required (To comply with U.S. Government space technology export regulations, applicant must be a U.S. citizen, lawful permanent resident of the United States, or other protected individual as defined by 8 U.S.C. 1324b(a)(3)) Our mission and products are built for everyone, regardless of gender, race, creed, or background. We believe in a diverse and inclusive workplace, and we invite all people to join our team and bring their unique perspectives to make us stronger.

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Description from Astranis's official posting. Always confirm details on the company careers page.

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About Astranis

Astranis

MicroGEO communication satellite manufacturer. San Francisco, CA.

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