# Thermal Engineer Intern (Fall 2026)

**Astranis**

- **Location:** San Francisco
- **Salary:** $29/hr
- **Clearance:** None required
- **Eligibility:** US person or protected individual
- **Export control:** ITAR/EAR controlled
- **Visa:** Not specified
- **Discipline:** Engineering
- **Seniority:** Internship
- **Posted:** 2026-05-12

[Apply on Astranis](https://job-boards.greenhouse.io/astranis/jobs/4604266006)
[View on Outerspace Today](https://terminal.outerspacetoday.com
/jobs/thermal-engineer-intern-fall-2026-astranis-4604266006)

---

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.

#### Thermal Engineer Intern (Fall 2026)

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.

#### Role

- 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.

#### 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

- Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria.

#### Bonus

- 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

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 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.

---
_Aggregated from the employer's public careers feed by Outerspace Today. Eligibility and pay fields are extracted for self-selection only; verify on the employer posting._