Removes, installs, reconditions, repairs engines, and makes necessary adjustments on the engine as well as to the components in the various systems, such as water pumps, fuel pumps, turbochargers, generators, compressors, coolers, carburetor, and cylinder heads. With minimal supervision, performs duties as assigned by management in commissioning, startup, testing and adjusting, repair and maintenance, and/or rebuilding of electrical equipment, engines, generators in the field, in a safe and efficient manner.