Senior Supervisor, Maintenance Engineering – Night Shift; alternating

Company Description 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. At our core, Western Digital is a company of problem solvers. People achieve extraordinary things given the right technology. For decades, we’ve been doing just that—our technology helped people put a man on the moon and capture the first-ever picture of a black hole.

We offer an expansive portfolio of technologies, HDDs, and platforms for business, creative professionals, and consumers alike under our Western Digital®, WD®, ™, and San Disk® Professional brands. We are a key partner to some of the largest and highest-growth organizations in the world. From enabling systems to make cities safer and more connected, to powering the data centers behind many of the world’s biggest companies and hyperscale cloud providers, to meeting the massive and ever-growing data storage needs of the AI era, Western Digital is fueling a brighter, smarter future.

Today’s exceptional challenges require your unique skills. Together, we can build the future of data storage.

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 (This Film etch, lithography, CVD/PVD, CMP, wet benches, metrology, etc.).
• 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 assigned AWS Schedule, and any addition time required to complete additional tasks that are assigned
• 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.

Western Digital is committed to…