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Maintenance Supervisor

Job in Fontana, Imperial County, California, 92331, USA
Listing for: GAF Materials Corp.
Full Time position
Listed on 2026-06-22
Job specializations:
  • Maintenance/Cleaning
    Maintenance Technician / Mechanic, Maintenance Manager, Industrial Maintenance, Facility Maintenance
Salary/Wage Range or Industry Benchmark: 84000 - 115500 USD Yearly USD 84000.00 115500.00 YEAR
Job Description & How to Apply Below
Location: Fontana

At GAF, we cover more than just buildings. We cover each other.

Job Summary

The Maintenance Supervisor is responsible for working with and managing the Maintenance Department, preventive maintenance, machine modifications and general ground maintenance, as well as reviewing information and making strategic decisions to improve machine uptime, and reduce expenses, downtime and overtime. This position reports to the Maintenance Manager.

Essential Duties

Employee management of the Plant Maintenance Department personnel, consisting of:

  • Interviewing, hiring, and training new employees in compliance with company guidelines, federal and state governmental laws, and regulations.
  • Providing timely performance coaching and counseling in the form of daily verbal feedback, annual written performance evaluations, frequent positive encouragement and recognition, and documented disciplinary actions, as necessary.
  • Managing employee vacation/time‑off requests to ensure employees’ compliance with company guidelines and adequate departmental coverage.
  • Identifying employees’ training/developmental needs and ensuring the accomplishment of these training objectives.
  • Scheduling employees’ working hours to provide machine coverage and downtime maintenance repairs with a minimum amount of overtime.
  • Maintaining the accuracy of the timekeeping/payroll system daily, and approving before the payroll run.

Maintenance Department responsibilities:

  • Troubleshoot and repair electrical problems.
  • Evaluate and modify PLC programs and touch screens as needed.
  • Provide internal maintenance training or coordinate external training with HR as needed.
  • Maintain a sufficient supply of spare machine parts and maintenance supplies.
  • Assist Maintenance employees when needed.
  • Continually update preventive maintenance schedule, and ensure timely completion.
  • Continually seek ways of modifying machines to improve efficiency or product quality.
  • Inspect the plant and grounds on a routine basis for potential hazards or OSHA violations and schedule necessary corrections.
  • Participate in Maintenance/Production meetings.
  • Participate in plant environmental/safety inspections.
  • Ensure that all Maintenance areas are maintained in a neat, clean, and orderly fashion.
Strategic Planning and Direction
  • Obtain and review statistical information regarding machine performance and identify areas to improve uptime.
  • Evaluate and report on work orders to prioritize and ensure timely completion, working closely with production and quality departments.
  • Review time and labor data to streamline maintenance operations wherever possible, and reduce overtime.
  • Proactively identify and implement ideas for improving relationships between maintenance and production, working to create a cohesive working environment.
Safety & Environmental
  • Comply with all safety regulations and policies.
  • Utilize all prescribed PPE (personal protective equipment), at all times in designated areas.
  • Observe all safety requirements (such as lockout/tagout, hot work permits, forklift seatbelts, hazardous work, confined space, elevated work, etc.).
  • Actively participate in plant safety meetings and lead weekly maintenance safety meetings.
  • Immediately report safety hazards to the appropriate management.
  • Proactively look for safety improvements and bring them to the attention of the management team.
  • Comply with all environmental regulations.
  • Ensure the maintenance team is following all environmental regulations and properly disposing of waste and used parts.
  • Coordinate with Maintenance/Operations Management in the assignment and implementation of approved safety and/or environmental improvements or repairs.
  • Provide backup assistance to maintenance personnel, as needed.
  • Provide maintenance assistance for the plant as needed, including PLC, Fabrication, Machine Shop, etc.
Qualifications Required
  • Completed High School Diploma or GED is required.
  • 5+ years maintenance experience in a manufacturing (or related) environment is required.
  • 3+ years recent supervisory experience is required.
  • Strong electrical and mechanical background.
  • Excellent communication and administrative abilities.
  • Strong leadership capabilities.
  • Ability to coach and motivate others.
  • Exc…
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