Performs major system component overhaul/rebuild, repair/replacement and troubleshooting as needed, to include but not limited to, power-plant systems, brake systems, steering systems, hydraulic systems, diesel and gas systems, air systems, starting systems, ignition systems and electrical systems in addition to the following components, power-plant, brake, fuel, steering, hydraulic, air, starting, ignition and electrical system. Must have experience and/or appropriate training which would demonstrate a thorough knowledge of principles of electrical, electronics, heating, refrigeration, pneumatics, hydraulics, internal combustion engines and small gas turbines as applies to powered ground support equipment and use of applicable technical publications, blueprints, diagrams, material and maintenance control procedures.