
Thermal Intern (Summer 2027)
San Francisco, CA at a glance
- Rent
- #2 of 51$2,680/mo+46% vs US avg
- Weather
- #17 of 51295 mild days0 hot · 0 cold
- Income tax
- #1 of 5113.3% top rateCalifornia
What you need
- Pursuing B.S./M.S. in mechanical/aerospace engineering
- Demonstrated hardware design, build, test experience
- US Citizenship or Green Card required
- Passion for hands-on hardware development
- Experience with CAD and thermal analysis tools
What you'll do
- Perform thermal analysis on satellite hardware components
- Design and test thermal solutions (heaters, heat pipes, coatings)
- Develop integration processes ensuring thermal design intent
- Plan and execute thermal vacuum testing
- Support design trades balancing performance, risk, cost
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 Intern (Summer 2027)
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.
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
SMS Terms of Service
1. When you opt in to receive SMS messages from Astranis Space Technologies Corp., we may send you messages related to your job application, including updates, interview coordination, and other recruiting communications.
2. You can cancel the SMS service at any time by replying with any of the following industry standard keywords:
a. STOP
b. STOPALL
c. OPTOUT
d. CANCEL
e. END
f. QUIT
g. UNSUBSCRIBE
h. REVOKE
3. After you opt out, we may send one final text message confirming that you have been unsubscribed. No further recruiting SMS messages will be sent unless you opt in again.
4. To opt back in, reply with any of the following industry standard keywords:
a. START
b. UNSTOP
c. YES
5. For help, reply HELP or contact us at EMAIL or PHONE NUMBER.
6. Carriers are not liable for delayed or undelivered messages.
7. Message and data rates may apply. Message frequency may vary. Contact your wireless provider for details.
8. For more information on how we handle your data, please review our Privacy Policy at: https://www.astranis.com/legal/privacy.
Optimize your resume for this job
Get a match score and the keywords you're missing
About Astranis
Astranis is a space startup that builds small and low-cost telecommunications satellites to provide internet access in remote regions.
Similar Aerospace Engineering roles


