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Mechanical Engineer

Prime Recruitment Partners, San Francisco, CA, United States


We’re partnered with a well‑funded robotics company (hundreds of millions raised) building general‑purpose robots designed to operate in real‑world environments. The team is based in SF and is composed of strong backgrounds coming from Cruise, OpenAI, and Tesla.
This is a rare opportunity to work on 0 to 1 hardware in a team that is moving quickly toward real deployment at scale - not just research or prototypes.
They’re looking for a mechanical engineer who wants real ownership and is motivated by building systems that actually leave the lab and work in the wild.
What you’ll be doing

Owning mechanical design across the full lifecycle, from early concept through to production
Building and iterating on prototypes quickly, learning from real‑world testing and failure
Designing mechanisms and actuator‑driven systems that directly impact robot performance
Working closely with electrical, firmware, and manufacturing to bring fully integrated systems to life
Supporting the transition from prototype to high‑volume, production‑ready hardware
What they’re looking for

Strong mechanical intuition and a practical understanding of how systems behave outside of CAD
Experience taking hardware from concept through production and seeing it deployed
Exposure to manufacturing processes such as molding, casting, or sheet metal
Experience designing mechanisms, moving assemblies, or actuator systems
Comfortable working across disciplines on complex electro‑mechanical products
You’ll be joining a team that sets a high technical bar, moves fast, and is focused on building something that actually matters.
If you’re someone who wants to own real systems, move quickly, and see your work deployed in the real world, this is worth a conversation.

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