MasTec - - Responsibilities: Operate a crawler or rubber-tired loader to load structures and dirt from excavations, loading trucks, pipe and precast concrete structures; Conducts safety and maintenance checks on assigned equipment and machinery; Signal truck driver to position truck to facilitate loading/unloading of dirt, rocks, and other materials; Take actions to avoid potential hazards and obstructions such as utility lines, other equipment, and falling objects; Perform maintenance work to equipment including oiling, greasing, and making necessary adjustments