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Mechanical Engineer

Westmag · South San Francisco · On-site

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About Westmag

Backed by Menlo.

About the role

As a Mechanical Engineer at Westmag, you will lead the mechanical design of the drone motors and robotic actuators at the heart of our products. You will own the rotating machinery, bearing systems, gears, and transmissions that turn electromagnetic torque into reliable mechanical output, balancing performance, weight, and cost.

What they're looking for

  • Bachelor's degree in Mechanical Engineering or a related technical field
  • 3+ years of experience in mechanical design, preferably in drone, robotics, automotive, aerospace, or high-volume electromechanical products
  • Industry experience with rotating machinery, including bearings, gears, or transmissions
  • Hands-on knowledge of metal manufacturing methods such as milling, turning, stamping, and casting
  • Demonstrated experience with DFM/A designing high-volume products
  • Proficiency with CAD tools for mechanical design (e.g., SolidWorks, Onshape), including GD&T
More about this role

Westmag is the American manufacturer of drone motors and robot actuators, backed by Andreessen Horowitz, Founders Fund, Lux Capital, NFDG, Menlo Ventures, and other top investors. Westmag is committed to building and scaling in the U.S. to serve the global market. For more information, visit westmag.com .

As a Mechanical Engineer at Westmag, you will lead the mechanical design of the drone motors and robotic actuators at the heart of our products. You will own the rotating machinery, bearing systems, gears, and transmissions that turn electromagnetic torque into reliable mechanical output, balancing performance, weight, and cost. Working at the intersection of design and production, you will ensure every part you draw can be built at scale, and your work will directly shape Westmag's ability to ship millions of motors and actuators from U.S. factories.

Design and optimize the mechanical architecture of motors and actuators, including shafts, housings, bearing systems, gears, and transmissions.

Perform structural, tolerance stack-up, fatigue, and bearing support analyses to ensure durability and precision across the product's operating envelope.

Drive DFM/A from the earliest...

Read the full posting on Westmag's site ↗

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