Summary: Under the direct supervision of the Plant Manager (PM), the Maintenance Manager (MM) assists in the completion of the day to day activities involving the maintenance of the building/facility, production equipment and machinery, including, but not limited to HVAC, lighting systems, plant machinery and production lines, grounds keeping, security, and overall facility appearance. JELD-WEN Holding, Inc. (NYSE: JELD) is a leading global designer, manufacturer and distributor of high-performance interior and exterior doors, windows and related building products serving the new construction and repair and remodeling sectors.