Real job — pulled straight from Astranis’s careers page · Verified November 11, 2026 · No reposts.
Job description
Astranis is hiring a Senior Mechatronics Test Engineer — a full-time, based in San Francisco, CA role. Apply directly on Astranis's careers page below.
Senior Mechatronics Test Engineer
Location: San Francisco
Department: 3702 Mechanical
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.
Senior Mechatronics Engineer
As a Senior Mechatronics Engineer at Astranis, you will be responsible for developing, designing, and implementing tests and test systems (test support custom hardware) for all the custom mechanisms on our spacecraft. You'll prove that our suite of mechanism designs work across environments to guarantee success on orbit through rigorous tests on the benchtop and in environments (thermal, vacuum, vibe).
Role
- Develop and design automated hardware and software solutions to test+validate mechanism hardware, interfacing with motors and controllers
- Write software in Python to control bench equipment, devices under test, and other test hardware
- Design and own testing racks used to develop, prototype and qualify mechanisms
- Work closely with the design team to provide feedback and insight through prototyping and qualification process
- Assist in recruiting, interviewing, and hiring additional teammates to our rapidly-growing team.
Requirements
- B.S. degree in mechatronics, electrical or computer engineering, or equivalent technical degree
- 4+ years of relevant experience
- A passion for hardware development, including working in a fast-paced environment and hands-on design and development
- Comfort with ambiguity and turning high-level requirements into clear design/test objectives
- Hands-on experience using electrical test equipment (multimeters, torque cells/sensors, power supplies, load cells, servomotors, encoders, etc.) and interfacing with mechanical hardware
- Experience using Python
- Don't meet them all? Not a problem. Please apply even if you do not meet all these criteria.
Bonus
- Understanding and experience in environmental testing such as vibration, shock, thermal, burn-in, and TVAC
- Mechatronics experience using hardware such as motors and mechanisms
- Experience with CAD software (Solidworks, NX, etc.)
- Experience with designing and building electrical harnesses and connectors
- Experience automating tests, test equipment, or similar instrumentation
Base pay is just one component of Astranis’s total rewards package. Your compensation also includes a significant equity package via incentive stock options, high-quality company-subsidized healthcare, disability and life insurance, 401(k) retirement planning, flexible PTO, and free on-site catered meals.
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