Maintenance Manager

Western Magnetics; South San Francisco (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Westmag is seeking a Maintenance Manager to lead and scale the maintenance function for its new South San Francisco facility and automated lines. You will own preventive, predictive, and corrective maintenance strategy, build a team of technicians, and partner with production and engineering to maximize uptime and equipment reliability.

You will set PM frequencies, lead root-cause analysis, manage the CMMS, and track KPIs, while ensuring safety compliance and governance across electrical,

Qualifications

• GED, high school diploma, or higher.
• 7+ years of maintenance experience in manufacturing/industrial settings, incl. 3+ years supervising technicians.
• Hands-on ability to troubleshoot electrical, mechanical, pneumatic, hydraulic and PLC-controlled systems.
• Experience building/running a preventive maintenance program and using a CMMS for work orders and PM scheduling.
• Knowledge of 120V/240V/480V electrical systems and reading schematics/diagrams.
• Strong knowledge of lockout/tagout and electrical safety requirements.
• Experience managing spare parts, vendors and service contractors.
• Ability to track maintenance KPIs and present them to leadership.
• Clear written and verbal communication and ability to train a team.
• Authorized to work in the United States; valid CA driver's license.
• Ability to pass pre-employment background and drug screening.

Responsibilities

• Build and lead the maintenance function, including hiring, training, scheduling, and developing technicians.
• Own preventive and predictive maintenance programs for production and facility equipment.
• Lead response to breakdowns and coordinate repairs to minimize downtime.
• Drive root-cause analysis on recurring failures and implement corrective actions.
• Set up and manage the CMMS: work orders, PM schedules, asset records, parts usage.
• Track and report maintenance KPIs (uptime, MTBF, MTTR, PM compliance, costs).
• Manage spare parts inventory and relationships with vendors/service contractors.
• Own the maintenance budget and advise on repair-versus-replace decisions.
• Partner with production engineering on installation, commissioning, and handoff of new equipment.
• Ensure compliance with Cal/OSHA and safety procedures; maintain facility infrastructure.

Skills

Electrical troubleshooting

Mechanical troubleshooting

PLC-controlled systems

CMMS usage

Preventive maintenance

KPIs tracking

Team leadership

Communication

Lockout/Tagout compliance

Vendor management

Education

GED/HS diploma

Engineering degree preferred

Tools

CMMS

Electrical schematics reading

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 the role

As Maintenance Manager at Westmag, you will build and lead the maintenance function that keeps our production lines and facilities running as we scale manufacturing of drone motors and robot actuators. You will own predictive, preventive and corrective maintenance strategy, build a team of maintenance technicians, and partner with production and engineering to maximize uptime and equipment reliability. This role is central to bringing up our new South San Francisco facility and the automated lines that will drive our next phase of growth.

Responsibilities

• Build and lead Westmag's maintenance function, including hiring, training, scheduling and developing maintenance technicians.

• Own the preventive and predictive maintenance program for production and facility equipment and set PM frequencies based on equipment criticality and failure history.

• Lead response to emergency breakdowns and unplanned downtime and coordinate repairs with production to minimize lost output.

• Drive root-cause analysis on recurring failures and implement corrective actions that improve uptime and mean time between failures.

• Set up and administer the CMMS, including work orders, PM schedules, asset records and parts usage.

• Track and report maintenance KPIs such as equipment uptime, MTBF, MTTR, PM compliance and maintenance cost.

• Manage the spare parts inventory, critical spares list and relationships with equipment vendors and service contractors.

• Own the maintenance budget and recommend repair-versus-replace decisions for aging equipment.

• Partner with production engineering on installation, commissioning and handoff of new and automated equipment, including the new facility move.

• Ensure maintenance work complies with Cal/OSHA requirements, including lockout/tagout (8 CCR §3314), electrical safety, working at heights and confined space procedures.

• Maintain compressed air, HVAC, electrical distribution, lighting, plumbing and general facility infrastructure through the team and outside contractors.

• Develop maintenance SOPs, equipment documentation and technician training programs.

• Provide hands-on troubleshooting support on complex electrical, mechanical, pneumatic, hydraulic and PLC-controlled equipment as needed.

Required qualifications

• GED, high school diploma, or higher.

• 7+ years of maintenance experience in a manufacturing or industrial environment, including 3+ years supervising or leading maintenance technicians.

• Hands‑on ability to troubleshoot electrical, mechanical, pneumatic, hydraulic and PLC‑controlled systems.

• Experience building or running a preventive maintenance program and using a CMMS for work orders and PM scheduling.

• Working knowledge of 120V/240V/480V electrical systems, and the ability to read electrical schematics, ladder diagrams, P&ID drawings and equipment manuals.

• Strong knowledge of lockout/tagout, electrical safety and Cal/OSHA or federal OSHA requirements.

• Experience managing spare parts, vendors and service contractors.

• Ability to track maintenance KPIs and present them clearly to production and leadership.

• Clear written and verbal communication and the ability to train and coach a team.

• 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

• Associate's or bachelor's degree in an engineering, industrial maintenance or related technical field or equivalent years work related experience.

• Experience maintaining high‑volume or automated production equipment (automotive, electronics, motors etc.).

• Experience standing up a maintenance function or commissioning equipment in a new facility.

• Experience with reliability practices such as TPM, RCM or condition monitoring (vibration, thermography).

• Certified Maintenance & Reliability Professional (CMRP) or similar 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 hands‑on troubleshooting.

• 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 escalation and occasional overtime to support maintenance emergencies and equipment installs.

Westmag is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, creed, sex, national origin, disability, gender identity, sexual orientation, or protected veteran status.