Harness Design Engineer Intern (Winter 2026)
Astranis
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.
Harness Design Engineer Intern
Role:
- Work with the harnessing design team on designing flight and test harnessing
 - Create wiring diagrams, block diagrams, schematics, and layout drawings of spacecraft harnessing
 - Work with cross-functional teams to define interfaces between different subsystems
 - Use CAD programs to route harnessing in 3D
 - Utilize EE fundamentals to select appropriate design components based on various requirements like voltage, power, frequency, and data-rate
 - Work with production to fabricate in-house cables
 
Requirements:
- Currently pursuing a B.S., M.S. or Ph.D. in mechatronics or electrical engineering (or equivalent technical degree)
 - Interest in learning about, designing, and working with various spacecraft systems and subsystems
 - Familiar with power and data transmission concepts
 
Bonus:
- Experience with Zuken (or other harness design software)
 - Experience with various connectors and wire types including MIL circular and D-Sub/microD
 - Experience with 3D CAD software like Solidworks