We are seeking a Master Diesel Technician – Should be proficient in Cummins, Power Stroke, Duramax. Pay based on experience. A Diesel Mechanic, or Diesel Service Technician, inspects, diagnoses and repairs diesel-powered vehicles and machines, like trucks, forklifts and trailers. They can rebuild engines and transmissions. Duties may include running diagnostics, replacing the vehicles’ engine, transmission, steering and braking systems.