Thermal Associate Engineer (Winter 2027)
Astranis
$1,925 / week
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Description
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.
Thermal Engineer Associate (Winter 2027)
As an Associate Engineer, 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, and our Associate Engineers work on projects that are of equal importance and difficulty to the projects we give our full-time employees. Many past Associate Engineers have designed and tested hardware/software that is heading to space on our first satellite, and many now work at Astranis full-time.
Role
- Work together with the engineering team to design, analyze, 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
- Have a four-year degree 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
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About this role
Astranis is hiring a Thermal Associate Engineer for a twelve-week winter internship to work on satellite systems that are already in orbit and supporting government and enterprise customers. You'll join a 500-person engineering team at their Northern California headquarters and tackle genuine thermal challenges—analyzing and designing solutions for propulsion components, batteries, electronics, and other hardware that will fly to space. The work spans the full cycle: thermal analysis at multiple levels of detail, design and procurement of thermal solutions like heat pipes and coatings, testing procedures, and hands-on collaboration during thermal vacuum testing.
This role suits someone with a bachelor's degree in mechanical engineering, aerospace, physics, or a related technical field who has real hands-on experience building and testing hardware. You should be comfortable moving quickly in a fast-paced environment and working directly with CAD, thermal analysis software like ANSYS, and electronics systems. Prior aerospace project experience or internships are a plus, though not required. US citizenship or permanent residency is mandatory due to export regulations on space technology.
The position pays $1,925 per week and is based in San Francisco, in-office. Many past Associate Engineers at Astranis have transitioned into full-time roles after their internship, and you'll be working on projects of the same complexity and importance as the company's permanent staff.
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$1,925 per year
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