Maintenance Supervisor - Extrusion

Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low‑residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and Repair & Remodel (R&R) markets. Our market‑leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multi‑channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America.

Corporate stewardship and Environmental, Social and Governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at

Cornerstone Building Brands is a leading manufacturer of exterior building products for residential and low‑residential buildings in North America. Headquartered in Cary, N.C., we serve residential and commercial customers across the new construction and Repair & Remodel (R&R) markets. Our market‑leading portfolio of products spans vinyl windows, vinyl siding, stone veneer, metal roofing, metal wall systems and metal accessories. Cornerstone Building Brands’ broad, multi‑channel distribution platform and expansive national footprint includes more than 18,800 team members at manufacturing, distribution and office locations throughout North America.

Corporate stewardship and Environmental, Social and Governance (ESG) responsibility are embedded in our culture. We are committed to contributing positively to the communities where we live, work and play. For more information, visit us at

We are seeking a hands‑on, results‑driven Maintenance Supervisor to lead our maintenance team in a fast‑paced PVC extrusion manufacturing facility. This role is critical to ensuring equipment reliability, maximizing uptime, and driving continuous improvement through a strong Preventive Maintenance (PM) program and effective use of our CMMS system.

If you thrive in a leadership role, enjoy solving complex mechanical and electrical challenges, and want to make a direct impact on plant performance—this opportunity is for you.

• Supervise and coach a team of maintenance technicians
• Assign and prioritize daily maintenance activities
• Foster a culture of safety, accountability, and continuous improvement
• Support skill development and training initiatives

• Lead troubleshooting and repair of extrusion lines and supporting equipment
• Perform root cause analysis and implement corrective actions
• Minimize downtime and improve overall equipment performance

• Execute and continuously improve a robust PM program
• Ensure high PM completion rates and effectiveness
• Analyze equipment data to improve reliability strategies

• Oversee work order creation, prioritization, and closure
• Generate and manage purchase orders for maintenance needs
• Maintain accurate asset tracking and data integrity
• Monitor KPIs such as backlog, downtime, and PM compliance

• Manage inventory of critical spare parts
• Coordinate purchasing and vendor support
• Drive cost efficiency and standardization

• 5+ years of industrial maintenance experience in manufacturing
• 2+ years in a supervisory or leadership role
• Experience in plastics or extrusion operations preferred

• Strong knowledge of mechanical, electrical, hydraulic, and pneumatic systems
• Familiarity with extrusion equipment (preferred)
• PLC troubleshooting…