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Production Supervisor

Job in Hagerstown, Washington County, Maryland, 21749, USA
Listing for: GAF Materials Corp.
Full Time position
Listed on 2026-01-12
Job specializations:
  • Manufacturing / Production
    Production Manager, Quality Engineering, Manufacturing Engineer, Manufacturing Production
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below
** Job Summary
** The Production Supervisor is responsible for safely and economically producing quality roofing granules while driving a continuous improvement culture within their work group. This role involves leading, managing, and developing the work skills of employees, and managing costs to produce the required quantity and quality of granules on-time and according to the production plan.

** Essential Duties
*** Ensure safety, quality, production, and housekeeping standards are met at all times.
* Conduct contractor safety inspections per SGI policy.
* Lead and manage assigned production personnel to safely meet/exceed all manufacturing goals.
* Develop and improve assigned production personnel skills in preparation for future career opportunities.
* Know and understand all product specifications.
* Clearly understand the process and equipment locations.
* Conduct root cause analysis to identify and correct the root causes of events.
* Accurately and timely prepare required reports and maintain accurate data and other records as required.
* Schedule/plan manpower and production schedules.
* Effectively communicate maintenance needs to subordinates/team members and ensure follow-up to confirm maintenance was performed effectively.
* Notify management of downtime with clear/detailed explanation of issues as required.
* Write clearly defined work orders and develop SOP’s for the department.
* Identify opportunities for process improvement and cost savings using Lean Manufacturing principles, continuous improvement, and problem-solving techniques.
* Articulate and document site goals and objectives (as needed).
* Perform employee reviews with coaching and disciplinary action where needed.
* Provide training to direct reports for safety, SOP’s, and plant equipment.
* H.S. Diploma or General Education Degree (GED) required
* Associate’s Degree preferred
* Bachelor’s Degree preferred
* Minimum (1-2) years supervisory experience in a mining/manufacturing operation.
* Knowledge of mechanical equipment and systems in a manufacturing operation.
* Good decision-making skills
* Good organizational skills
* Effective verbal/written/listening communication skills
* Proficient Computer skills – Google Suite
* ADP Etime, Workday, SAP
* Thorough knowledge of MSHA standards
* Excellent troubleshooting skills
* Knowledge of Lean Manufacturing or other Continuous Improvement and problem-solving techniques
* Root Cause Analysis experience or other problem-solving technique
* Standard Operation Procedure (SOP) Planning, Raw Materials management, and Constraint Management knowledge
* Ability to lead/influence/manage people
* Team player - Positive interaction and participation on teams
* Willingness to embrace change and champion change positively to direct reports
* Desire and willingness to drive change in improving operations

For more than 90 years, Specialty Granules LLC (SGI) has been a leading producer of semi-ceramic coated, colored mineral granules for the North American residential and commercial roofing industry. Our longevity is a testament to our dependability as a supplier and the durability of our products. We take pride in the long-term relationships we have cultivated with the roofing industry’s manufacturers.
A privately held company, we have the ability and resources to provide exceptional customer service through our high standards of product quality, innovation, and responsiveness to the needs of our customers.
In addition to our Headquarters and Technical Center in Hagerstown, MD, we operate 4 manufacturing locations across the U.S. — Blue Ridge Summit, PA (also called Charmian);
Annapolis, MO;
Pembine, WI (also called Kremlin); and Ione, CA.
In each of the communities in which we are located, SGI has become a premier place to work. Our employees enjoy our strong emphasis on safety, our positive work environment, competitive wages and benefits, and our long term stability.
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