Diagnose, repair, and maintain a wide variety of heavy equipment including, but not limited to, heavy-duty trucks and semi-tractors, material spreaders, 6-wheel drive military-type vehicles, excavators, hydraulic drive systems, high-pressure hydraulic systems, bulldozers (25 ton and smaller), graders, trailers, backhoes, skid steers, tractors, vacuum trucks, street sweepers, aerial towers, man lifts, and airport and highway snow removal equipment. Maintain a safe and clean work environment and report safety hazards, equipment defects, or unsafe conditions to the Supervisor Follow all company safety policies, environmental regulations, and applicable DOT or equipment safety requirements.