Martin Marietta Materials - - Responsibilities: Operate heavy-duty front-end loaders to move raw materials from stockpiles to customer vehicles; Regulate material flow to conveyors, surge piles, chutes, and storage bins to maximize plant production; Maintain quality and separation of stockpiles to prevent contamination; Conduct daily pre-shift and post-shift safety inspections of equipment and area; Accurately complete daily pre-shift inspection reports and maintenance logs