Maintenance Supervisor
GAF Materials Corporation - Stockton, CA

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At GAF, putting a roof over your head is the foundation of our business. As we continue to pursue the excellence that has led us to the top, one thing is constant- it’s all the best in the industry, and it’s made by the best people in the industry.

GAF products have been designed and made for more than 125 years by talent and innovation emanating from the minds of its employees. All 3,200 of us are champions of our values, some of which include innovation, safety, quality, and integrity, and we work for a company that rewards us for it. That’s why we’ve grown into a $3 billion leader in the building materials industry.

Come build your future as we build the American dream - one roof at a time.

The Maintenance Supervisor will help manage the repair, alteration and preventative maintenance of the plant to improve the productivity of the operation. He/She will supervise maintenance team in order to get both planned and unplanned maintenance needs completed in an efficient and effective manner. In conjunction with the Maintenance Planner, is responsible for balancing priorities, manpower, material, and equipment availability to develop department and individual work schedules. Is responsible for safety, quality of work, and productivity of the maintenance team through direct leadership and coordination with production department in a highly involved work place.

Specific responsibilities include, but are not limited to:
  • Supervise maintenance team and work performed by contractors. Manage planned and unplanned maintenance work and jobs for both daily work and maintenance outages. Provide on-the-spot, on-the-job equipment-related expertise and technical guidance. Enhance communication and coordination between maintenance and other departments, especially the production department.
  • Effectively manages the utilization of planned maintenance hours to maximize machine line efficiency and production volumes. Actively participate in the planning, coordination, and implementation of maintenance activities to ensure they are consistently successfully completed in the allotted timeframe while ensuring the work completed allows for excellent machine reliability. Follow up on issues that did not go as planned during shutdowns and implement methods to prevent future occurrences.
  • Provide a safe work place through adherence to company safety policy, housekeeping and defined standards of training. Lead maintenance department safety meetings. Monitor compliance to safety policies and procedures, conduct inspections of plant areas, and ensure deiciencies found are resolved or appropriately communicated. Ensure maintenance technicians are well trained, involved, and committed to meeting department expectations including following all safety requirements.
  • Provide leadership in department and administrative support required to be an effective supervisor. Observe employee work skills and provide on-the-job training, tutoring and coaching. Suggest ways to improve methods, procedures and work practices. Address performance issues promptly and in a fair and consistent manner and provide effective and timely feedback using the performance evaluation process. Schedule work days and off days of maintenance team and track vacation as well as floating holidays based on work requirements. Provide direct input in the hiring of maintenance team members and assist with interviews for other positions as appropriate. Identify continuing or new training requirements for the department.
  • Support department expense target goals by minimizing maintenance costs without negatively impacting operating results. Support efforts to minimize cost for major repair items and efforts to minimize purchased maintenance costs by utilizing company personnel for maintenance and capital projects versus using outside contractors whenever possible. Evaluate alternative parts or new suppliers to improve costs. Identify shop and fabrication work opportunities that can be performed in house versus being completed by outside resources.
  • Support efforts for the large capital projects within the plant. Participate in maintenance efforts to review equipment design, layout, and safety related aspects of new equipment. Communicate project plans and progress to the maintenance department and be a conduit for maintenance employee suggestions and concerns. Ensure maintenance team members understand changes that will result from new equipment.


An associates degree is required in Applied Sciences, Engineering, Maintenance, or Logistics with at least 5+ years practical experience as a mechanic or electronic technician in a high volume manufacturing operation, preferably continuous process.

Intermediate proficiency using root cause analysis to troubleshoot and solve problems, proficiency in electrical distribution systems and instrumentation, proficiency in PLC programming, debugging and troubleshooting. Candidate must be able to maintain electronic, pneumatic and hydraulic systems as well as have intermediate proficiency using variable frequency drives and AC & DC drives. Should have knowledge of rotating equipment, machine design, bearings and lubrication. Ability to read blueprints, schematics, shop drawings, and sketches is required and the candidate must be familiar with standard manufacturing concepts, practices, and procedure.

Physical Requirements
Regularly lift and/or move up to 10 pounds and occasionally up to 50 pounds.
Must be able to climb ladders and/or stairs.
Specific vision abilities required by this job include close vision, peripheral vision, depth perception, ability to adjust focus and differentiate color.
Frequent sitting, walking, and standing, and occasional climbing, stooping, kneeling, crouching, crawling, and balancing.
Oral and auditory capacity enabling interpersonal communication as well as communication through automated devices such as the telephone.
Occasionally operate business machines.

We offer a competitive salary and benefits package including 401(k), medical, dental, vision, prescription drug, tuition reimbursement, and a vacation package. At GAF, we believe our employees are our greatest resource.

GAF is proud to be an Equal Opportunity Employer, committed to workplace diversity. M/F/D/V.

About this company
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Building Materials Corporation of America (BMCA), doing business as GAF Materials, wants to keep your roof looking spiffy. BMCA, which deals...