Lean Manufacturing Supervisor - Roofing Granules

GAF Materials Corp.; Annapolis (MO); On-site; USD 60,000 - 90,000; Full time

Job summary

Specialty Granules LLC is seeking a Production Supervisor to safely and economically produce roofing granules while driving continuous improvement. You will lead, develop, and coach a team, manage costs, and ensure production aligns with the plan.

Ideal candidates have 1–2 years of supervisory experience in manufacturing, knowledge of Lean tools, and strong problem-solving abilities. This on-site role emphasizes safety, quality, and teamwork for operational excellence.

Qualifications

• Supervisory experience in mining or manufacturing operations.
• Understanding of MSHA standards and safety leadership.
• Experience with continuous improvement and problem solving.

Responsibilities

• Lead production personnel to meet safety, quality, and production goals.
• Schedule manpower and production plans; manage costs and downtime.
• Develop skills of direct reports and provide coaching and reviews.
• Document SOPs, reports, and maintain accurate data records.
• Communicate maintenance needs and ensure follow-up.

Skills

Leadership

Communication

Problem solving

Lean Manufacturing

Root Cause Analysis

Team development

Education

Associate’s Degree preferred

Bachelor’s Degree preferred

Tools

Google Suite

ADP Etime

Workday

SAP

Job description

Specialty Granules LLC is seeking a Production Supervisor to safely and economically produce roofing granules while driving continuous improvement. You will lead, develop, and coach a team, manage costs, and ensure production aligns with the plan.

Ideal candidates have 1–2 years of supervisory experience in manufacturing, knowledge of Lean tools, and strong problem-solving abilities. This on-site role emphasizes safety, quality, and teamwork for operational excellence.