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Harness Design Engineer Intern (Winter 2026)

Astranis

Design

San Francisco, CA, USA

USD 29-29 / hour

Posted on Aug 29, 2025

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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

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 challenging 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 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

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.