Operate powerful grading machines that level the ground for new roads. Most Motor Grader Operators have no higher education and get on-the-job training. Think about earning a Certificate to increase your competitiveness in the field. What do Motor Grader Operators do? As a Motor Grader Operator, you use heavy equipment to level out sections of ground for construction. Establishing a level “grade” is vital to laying a solid, even foundation as a Motor Grader Operator, or just getting other pieces of construction equipment through. You rearrange dirt, grass, rocks, and any other materials on a construction site into a level configuration so that building can commence.