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Jobs/Senior Mechanical Engineer

Senior Mechanical Engineer

Pivot Robotics

San Francisco Full-time Posted 2w ago
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THE ROLE We're looking for someone who already knows this problem. Not robotics in the abstract — the specific, gnarly reality of putting an abrasive against a metal part with a robot and getting a good result, repeatably, in a production environment. If you've wrestled with wheel wear, force control, fixturing that survives a foundry, cycle times that actually close a business case, and the thousand small failures between a clean demo and a cell that runs a shift unattended, you're who we want. You'll shape how we build cells, what tooling we standardize on, and how we solve finishing problems we haven't seen yet. WHAT YOU'LL DO * Own the mechanical design of our grinding and finishing cells (end effectors, tool changers, force compliance, fixturing, dust and safety systems). * Solve real process problems: material removal, surface-finish targets, wheel and media selection, contact mechanics, cycle time. * Get on the floor, and have your designs constantly tested in production. * Set the standard for how we approach new parts and new customers mechanically. WHAT WE'RE LOOKING FOR * Direct experience with robotic grinding, deburring, or surface finishing. You've shipped or deeply worked on systems that drive a tool against a part. * Real grasp of the process, not just the mechanism: abrasives, contact forces, material removal, finish quality. * Comfort with force/torque control, compliance, and the sensing that makes finishing work (we run ATI sensors, Yaskawa and KUKA arms, Zivid vision). * Someone who thrives in the field and on the floor, not only in CAD. * The judgment to know what's good enough to ship and what isn't. NICE TO HAVES * Foundry, casting, or heavy-manufacturing exposure. * Experience taking a cell from prototype to running-a-shift-unattended. * Familiarity with industrial robot integration and machine safety systems.

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