Job Description. Job Description. Astra Grading & Pipe : Division of Astra Group LLC. Summary. The Heavy Equipment Operator is responsible for operating heavy equipment in a safe and appropriate manner. Equipment may include and is not limited to trucks, front-end loaders, dozers, graders, compactors, excavators, skid steers, skidders, tractors and other pieces of equipment. The position requires the successful candidate to : clean, maintain and ...