Job Summary/Overview. The position is responsible for the safe, productive operation and daily maintenance of mobile equipment in the quarry. Duties & Responsibilities. . Adhere to and follow all safety rules and regulations per working site ( MSHA/DOT/DEP/OSHA). Adhere to and follow all company safety rules and regulations. Preform daily pre-shift inspections on equipment. Maintain all fluid levels, grease, and fuel equipment at the end of shift...