Maintenance Technician

Westmag; South San Francisco (CA); On-site; USD 65,000 - 95,000; Full time

Job summary

Westmag, a U.S. manufacturer of drone motors and robot actuators, seeks a Maintenance Technician to keep production equipment and facilities running at peak performance as the company scales.

You will perform predictive, preventive, and corrective maintenance across electrical and mechanical systems, respond to breakdowns, and collaborate with production and engineering to minimize downtime and improve reliability.

Qualifications

• Requires 3+ years of maintenance in manufacturing or industrial setting.
• Ability to troubleshoot electrical and mechanical systems independently.
• Reading engineering drawings and manuals essential.

Responsibilities

• Execute scheduled preventive maintenance for production and facility equipment.
• Diagnose and repair mechanical, electrical, pneumatic, and hydraulic faults.
• Replace and calibrate motors, bearings, belts, sensors, and tooling.
• Troubleshoot 120V/240V/480V electrical systems and PLC equipment.
• Read schematics, ladder diagrams, and P&ID drawings.
• Safely lockout energy sources per Cal/OSHA 8 CCR 3314.
• Maintain compressed air systems, HVAC, lighting, plumbing, and facilities.
• Minor structural repairs including welding and carpentry.
• Respond to breakdowns and reduce downtime.
• Maintain maintenance logs and parts usage in CMMS.
• Identify recurrent failures and propose root-cause solutions.

Skills

Electrical systems

Mechanical skills

Troubleshooting

Reading schematics

Lockout/Tagout

Safety compliance

Communication

Education

GED or higher

Tools

Multimeters

Clamp meters

Meggers

P&ID drawings

Diagnostic instruments

Job description

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 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

Required qualifications

• GED, high school diploma, or higher
• 3+ years of maintenance technician experience in a manufacturing or industrial environment
• Demonstrated ability to troubleshoot both electrical and mechanical systems independently
• Proficiency with hand tools, power tools, and diagnostic instruments (multimeters, clamp meters, meggers)
• Working knowledge of lockout/tagout, electrical safety, and general shop safety practices
• Hold at least one current, recognized technical certification
• Ability to read engineering drawings, schematics, and equipment manuals
• Clear written and verbal communication for accurate work documentation and shift handoffs
• Authorized to work in the United States
• Valid California driver's license
• Ability to pass a pre-employment background check and drug screening

Preferred qualifications

• Experience maintaining high-volume production equipment (automotive, electronics, etc.)
• PLC programming or advanced troubleshooting experience (Allen-Bradley, Siemens, or similar)
• Experience with CMMS platforms for work order and PM scheduling
• MIG or TIG welding certification
• Forklift or aerial lift operator certification

Work environment & physical requirements

• On-site role in an active production environment with exposure to machinery, electrical systems, and moderate noise
• Ability to lift and carry up to 50 lb unassisted
• Ability to work at height on ladders and elevated platforms, and within confined spaces
• Ability to stand, kneel, crouch, and reach for extended periods during repair and maintenance tasks
• PPE required including safety glasses, steel-toed footwear, hearing protection, and gloves as applicable
• Exposure to lubricants, solvents, and cleaning agents; proper handling training provided
• Availability for on-call response and occasional overtime to support maintenance emergencies