Onsite Manufacturing Maintenance Tech – PLC & Electrical

Western Magnetics Company; South San Francisco (CA); On-site; USD 65,000 - 90,000; Full time

Job summary

Westmag is seeking a Maintenance Technician to keep production equipment and facilities running at peak performance as the company scales manufacturing of drone motors and robot actuators.

The role involves preventive, predictive, and corrective maintenance across electrical and mechanical systems, plus troubleshooting, calibration, and documentation to minimize downtime and improve reliability.

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.

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.

Skills

Electrical troubleshooting

Mechanical troubleshooting

Hand & power tools

Diagnostic instruments

Electrical safety

Communication

Shift handoffs documentation

Education

GED/high school diploma or higher

Technical certification

Tools

CMMS platforms

Multimeter

Clamp meter

Megger

Job description

Westmag is seeking a Maintenance Technician to keep production equipment and facilities running at peak performance as the company scales manufacturing of drone motors and robot actuators.

The role involves preventive, predictive, and corrective maintenance across electrical and mechanical systems, plus troubleshooting, calibration, and documentation to minimize downtime and improve reliability.