Maintenance Technician

Westmag; South San Francisco (CA); On-site; USD 55,000 - 75,000; Full time

Job summary

Westmag is seeking a Maintenance Technician to keep production equipment and facilities running as we scale drone motor and actuator manufacturing. You will perform predictive, preventive and corrective maintenance across electrical and mechanical systems, respond quickly to breakdowns, and work with production and engineering teams to minimize downtime.

The role requires hands-on troubleshooting, reading schematics and P&ID drawings, and strict lockout/tagout safety practices.

Qualifications

• 3+ years of maintenance technician experience in a manufacturing environment.
• Ability to troubleshoot electrical and mechanical systems independently.
• Read engineering drawings, schematics, and manuals.
• Knowledge of lockout/tagout and electrical safety practices.
• Authorized to work in the United States and pass background/drug screening.
• Holds at least one current, recognized technical certification.

Responsibilities

• Execute scheduled preventive maintenance for production and facility equipment.
• Diagnose and repair mechanical, electrical, pneumatic, and hydraulic faults.
• Replace and calibrate worn components including motors and sensors.
• Troubleshoot 120V/240V/480V electrical systems and PLC-based equipment.
• Read and interpret electrical drawings, ladder diagrams, and P&ID.
• Lockout/tagout compliance and energy source isolation.
• Maintain facility systems (HVAC, lighting, plumbing) and basic carpentry.
• Respond to emergency breakdowns and minimize downtime.
• Maintain maintenance logs, work orders, and parts usage in CMMS.

Skills

Electrical troubleshooting

Mechanical troubleshooting

PLC troubleshooting

Lockout/Tagout

Reading schematics

Tool proficiency

Education

High school diploma or GED

Technical certification

Tools

Multimeters

Clamp meters

Meggers

Job description

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.
• Ability to pass a pre-employment background check and drug screening.

Preferred qualifications

• 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.

Westmag is an equal opportunity employer. We do not discriminate based on race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other status protected by California law.