Manassas VA We are looking for physically fit candidates with good attention to detail for the position of Diesel Mechanic. The primary duties of a Diesel Mechanic include performing diagnostic tests on diesel vehicles to find faults, analyzing diagnostic test results and repairing or replacing engine, steering, transmission, braking or lighting system components. Diesel Mechanics need to be highly organized and communicate effectively, as they will be expected to maintain detailed records of serviced vehicles and interact with customers on a daily basis.