Maintenance Technician
Western Magnetics · South San Francisco, California, United States · Posted Jun 2, 2026
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About Westmag
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 .
About the role
As a Maintenance Technician at Westmag, you will keep our production equipment and facilities running at peak performance as we scale manufacturing of drone motors and robot actuators. You will perform predictive, preventive and corrective maintenance across a range of electrical and mechanical systems, respond quickly to equipment breakdowns, working with production and engineering teams to minimize downtime and improve reliability.
Responsibilities
Execute scheduled preventive maintenance programs for production and facility equipment.
Diagnose and repair mechanical, electrical, pneumatic, and hydraulic faults to restore equipment to operational status.
Replace and calibrate worn or failed components including motors, bearings, belts, sensors, solenoids, and production tooling.
Troubleshoot and repair 120V/240V/480V electrical systems and PLC-based equipment.
Read and interpret electrical schematics, ladder diagrams, and P&ID drawings.
Safely isolate and lock out energy sources in compliance with Cal/OSHA 8 CCR §3314 (lockout/tagout).
Maintain compressed air systems, HVAC, lighting, plumbing, and general facility infrastructure.
Perform minor structural repairs including welding, metal fabrication, and carpentry as needed.
Respond promptly to emergency breakdowns and unplanned downtime events.
Identify recurring failure modes and propose root-cause solutions to reduce downtime.
Maintain accurate maintenance logs, work orders, and parts usage records in the CMMS.