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.

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®, WD_BLACK™, and SanDisk® 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.

Key Responsibilities

• 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.

Required

• 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) 

Preferred

• 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.

Additional Information

• 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 providing equal opportunities to all applicants and employees and will not discriminate against any applicant or employee based on their race, color, ancestry, religion (including religious dress and grooming standards), sex (including pregnancy, childbirth or related medical conditions, breastfeeding or related medical conditions), gender (including a person’s gender identity, gender expression, and gender-related appearance and behavior, whether or not stereotypically associated with the person’s assigned sex at birth), age, national origin, sexual orientation, medical condition, marital status (including domestic partnership status), physical disability, mental disability, medical condition, genetic information, protected medical and family care leave, Civil Air Patrol status, military and veteran status, or other legally protected characteristics. We also prohibit harassment of any individual on any of the characteristics listed above. Our non-discrimination policy applies to all aspects of employment. We comply with the laws and regulations set forth in the "Know Your Rights: Workplace Discrimination is Illegal” poster. Our pay transparency policy is available here.

Western Digital thrives on the power and potential of diversity. As a global company, we believe the most effective way to embrace the diversity of our customers and communities is to mirror it from within. We believe the fusion of various perspectives results in the best outcomes for our employees, our company, our customers, and the world around us. We are committed to an inclusive environment where every individual can thrive through a sense of belonging, respect and contribution.

Western Digital is committed to offering opportunities to applicants with disabilities and ensuring all candidates can successfully navigate our careers website and our hiring process. Please contact us at [email protected] to advise us of your accommodation request. In your email, please include a description of the specific accommodation you are requesting as well as the job title and requisition number of the position for which you are applying.

Based on our experience, we anticipate that the application deadline will be 04/05/2026, although we reserve the right to close the application process sooner if we hire an applicant for this position before the application deadline. If we are not able to hire someone from this role before the application deadline, we will update this posting with a new anticipated application deadline.

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Compensation & Benefits Details

• An employee’s pay position within the salary range may be based on several factors including but not limited to (1) relevant education; qualifications; certifications; and experience; (2) skills, ability, knowledge of the job; (3) performance, contribution and results; (4) geographic location; (5) shift; (6) internal and external equity; and (7) business and organizational needs.
• The salary range is what we believe to be the range of possible compensation for this role at the time of this posting.  We may ultimately pay more or less than the posted range and this range is only applicable for jobs to be performed in California, Colorado, New York or remote jobs that can be performed in California, Colorado and New York.  This range may be modified in the future.
• If your position is non-exempt, you are eligible for overtime pay pursuant to company policy and applicable laws.  You may also be eligible for shift differential pay, depending on the shift to which you are assigned.

• You will be eligible to be considered for bonuses under either Western Digital’s Short Term Incentive Plan (“STI Plan”) or the Sales Incentive Plan (“SIP”) which provides incentive awards based on Company and individual performance, depending on your role and your performance. You may be eligible to participate in our annual Long-Term Incentive (LTI) program, which consists of restricted stock units (RSUs) or cash equivalents, pursuant to the terms of the LTI plan. Please note that not all roles are eligible to participate in the LTI program, and not all roles are eligible for equity under the LTI plan. RSU awards are also available to eligible new hires, subject to Western Digital’s Standard Terms and Conditions for Restricted Stock Unit Awards.

• We offer a comprehensive package of benefits including paid vacation time; paid sick leave; medical/dental/vision insurance; life, accident and disability insurance; tax-advantaged flexible spending and health savings accounts; employee assistance program; other voluntary benefit programs such as supplemental life and AD&D, legal plan, pet insurance, critical illness, accident and hospital indemnity; tuition reimbursement; transit; the Applause Program; employee stock purchase plan; and the Western Digital Savings 401(k) Plan.
• Note: No amount of pay is considered to be wages or compensation until such amount is earned, vested, and determinable. The amount and availability of any bonus, commission, benefits, or any other form of compensation and benefits that are allocable to a particular employee remains in the Company's sole discretion unless and until paid and may be modified at the Company’s sole discretion, consistent with the law.

Notice To Candidates: Please be aware that Western Digital and its subsidiaries will never request payment as a condition for applying for a position or receiving an offer of employment. Should you encounter any such requests, please report it immediately to Western Digital Ethics Helpline or email [email protected].