Maintenance Manager. Position Summary. The Maintenance Manager oversees all maintenance, reliability, and equipment-improvement activities for a high-speed plastic extrusion and injection molding manufacturing facility. This role ensures that all production lines—including extruders, water-bath systems, pullers, Gatlin rollers, cutters, conveyors, injection molding presses, robotic pickers, dryers, chillers, material-handling systems, and auxilia...