Senior Supervisor, Maintenance Engineering - Night Shift; alternating

Senior Supervisor, Maintenance Engineering - Night Shift (Sunday-Tuesday & alternating Saturday 7pm-7am)

At Western Digital, our vision is to power global innovation and push the boundaries of technology to make what you thought was once impossible, possible. Western Digital is a company of problem solvers dedicated to enabling systems that power data centers and meet the growing data storage needs of the AI era.

The Equipment Maintenance Senior Supervisor will lead the wafer fabrication equipment maintenance team to ensure maximum tool uptime, reliability, and safety in support of production goals. This role is responsible for preventive and corrective maintenance programs, resource allocation, staff development, and continuous improvement of equipment performance within the fab.

• Lead, mentor, and manage a team of equipment technicians across multiple shifts.
• Oversee preventive, corrective, and predictive maintenance programs for wafer fab tools (e.g., lithography, etch, deposition, CMP, wet/dry cleans, metrology).
• Monitor and improve key metrics such as MTBF, MTTR, and overall equipment effectiveness (OEE).
• Drive root cause analysis (RCA) of recurring equipment issues and implement long‑term corrective actions.
• Collaborate closely with process engineering, production, and facilities teams to support yield and throughput goals.
• Manage spare parts inventory, vendor support contracts, and maintenance budget.
• Ensure compliance with all environmental, health, and safety standards, as well as cleanroom protocols.
• Lead equipment installation, qualification, and commissioning projects.
• Document and report maintenance activities, performance metrics, and improvement initiatives.
• Foster a culture of safety, accountability, and continuous improvement.

• Bachelor’s degree in mechanical, electrical, or related engineering discipline (or equivalent experience).
• 7+ years of semiconductor wafer fab equipment maintenance experience, including at least 3 years in a supervisory or management role.
• Strong knowledge of semiconductor toolsets (e.g., film etch, lithography, CVD/PVD, CMP, wet benches, metrology).
• Proven track record of managing maintenance teams in a 24/7 manufacturing environment.
• Expertise in mechanical, electrical, pneumatic, and vacuum systems.
• Strong problem‑solving and analytical skills with experience in root cause analysis.
• Familiarity with CMMS (Computerized Maintenance Management Systems).
• Excellent communication, leadership, and team development skills.
• Demonstrated ability to manage budgets, resources, and vendor relationships.
• Work in a cleanroom minimum of 6 hours per day.
• Excel, PowerPoint, and Word knowledge (intermediate level minimum).

• Experience with 200mm/300mm wafer fabrication equipment.
• Knowledge of Lean, Six Sigma, SPC, or other continuous improvement methodologies.
• Experience with FDC (Fault Detection & Classification) systems.
  
  Prior involvement in new tool installation and ramp projects.
• OSHA/EHS certifications and strong understanding of cleanroom safety protocols.

• Location:
  
  San Jose, CA
• Reports to:
  
  Steve Olness, Senior Manager, Maintenance Engineering
• Schedule:
  
  AWS‑Full‑time, may require flexible hours to support 24/7 fab operations.

• Pay position within salary range may be based on education, qualifications, experience, skills, performance, geographic location, shift, and internal and external equity.
• The salary range is the range of possible compensation for this role at the time of posting. It may be ultimately higher or lower and applies to jobs performed in California, Colorado, New York, or remote jobs that can be performed in those states.
• Non‑exempt positions are eligible for overtime pay pursuant to company policy and applicable laws. Shift differential pay may apply.
• You will be eligible to be considered for bonuses under Western Digital’s Short‑Term Incentive Plan (STI) or the Sales Incentive Plan (SIP). Long‑Term Incentive (LTI) program participation is available for eligible roles.
• We offer a comprehensive package of benefits including paid vacation, paid sick leave,…