Semiconductor Maintenance Supervisor

Tower Semiconductor; San Antonio (TX); On-site; USD 110,000 - 140,000; Full time

Job summary

Tower Semiconductor in San Antonio, TX is seeking a Semiconductor Maintenance Supervisor to lead a high‑tech maintenance team of technicians responsible for preventive maintenance, calibration, and emergency repairs of advanced fabrication tools.

You will maximize tool uptime, improve hardware reliability, and enforce strict cleanroom safety while coordinating PM schedules, managing spare parts, and mentoring technicians on shift.

Qualifications

• Bachelor’s degree in engineering, technology, or management preferred.
• Minimum 5 years of hands-on equipment maintenance in a semiconductor fab.
• At least 2 years in a senior, lead, or supervisory role.
• Deep understanding of semiconductor process tools and subsystems.
• Must be able to work extended hours in a full cleanroom suit and shift rotations.

Responsibilities

• Lead our maintenance team to maximize tool uptime and reliability.
• Supervise and mentor 25+ technicians and PM specialists.
• Coordinate preventive and corrective maintenance schedules.
• Enforce LOTO, PPE, OSHA standards, and cleanroom protocols.
• Track work orders and MTBF using CMMS; report shift performance.
• Manage spare parts staging and inventory.
• Collaborate with Equipment Engineering on hardware improvements.

Skills

Team leadership

Maintenance management

Safety compliance

Hiring & staffing

Training

Data & metrics

Parts logistics

Continuous improvement

Education

Bachelor's degree in engineering, technology, or management

Tools

CMMS

Job description

We are seeking a highly skilled Semiconductor Maintenance Supervisor to lead our high-tech equipment maintenance team on [shift]. In this role, you will oversee a team of technicians responsible for the preventative maintenance, calibration, and emergency repair of advanced manufacturing tools within our semiconductor fabrication facility (fab). Your primary focus will be maximizing tool uptime, optimizing hardware reliability, and championing a strict culture of safety and cleanroom protocol throughout your shift.

This Job Is For You If

• Team Leadership: Supervise, schedule, and mentor a multi-disciplinary team of 25+ electrical & mechanical technicians and PM specialists across all toolsets in the fab
• Maintenance Management: Coordinate and prioritize daily preventive maintenance (PM) schedules and corrective maintenance actions to minimize production bottlenecks; manage up to 25 direct reports
• Safety & Compliance: Enforce strict adherence to Lockout/Tagout (LOTO), Personal Protective Equipment (PPE) mandates, OSHA standards, and hazardous material handling; potential to lead the ERT team on shift
• Hiring and Staffing: Manage recruiting and interviewing, and partner with equipment engineering to assess the technical qualifications of candidates on your shift
• Training: Manage complex technical training plans for the team and own the certification process and training metrics on your shift
• Data, Metrics, and Reporting: Utilize the Computerized Maintenance Management System (CMMS) to track work orders, monitor Mean Time Between Failures (MTBF), and document tool history; summarize shift performance in a clear passdown
• Parts Logistics: Manage the staging of critical spare parts, track inventory levels, and ensure parts are returned for repair or restocking
• Continuous Improvement: Partner with Equipment Engineering to identify recurring tool failures and develop permanent hardware modifications or procedural updates

Job Requirements

Must Have:

• Bachelor’s degree in engineering, technology, or management preferred, exceptions considered for applicants with previous experience.
• Minimum of 5 years of hands-on equipment maintenance experience in a semiconductor fab, with at least 2 years in a senior, lead, or supervisory role.
• Technical Knowledge: Deep understanding of semiconductor process tools (e.g., Lithography, Etch, CVD/PVD, Ion Implantation, or CMP) and their associated sub-systems.
• Cleanroom Readiness: Ability to work extended hours in a full cleanroom suit ("bunny suit"), including standing, walking, and lifting up to 50 lbs.
• Shift Flexibility: Willingness to work compressed work weeks, rotating shifts, nights, or weekends as dictated by 24/7 fab production schedules.

Nice to Have:

• Experience Military officers a strong plus.