Advanced working knowledge on mechanical/electrical systems and components; including, but not limited to, Pneumatic, Hydraulic, Pumps, Gear Boxes, Power Transmission, Material Handling, Sensor, Transmitters, DC and AC circuits, Transformers, Power and Energy, Arc Flash. Working knowledge and experience on Facility Maintenance (Roof, Dock, plumbing) and Plant Equipment (Boiler, Air Compressors, Ammonia/Freon/Glycol Refrigeration, HVAC, Ventilation, Cooling Tower, Condenser, Backflow preventer, Sprinkler and Fire Extinguisher, Wastewater System, …).