Remove, disassemble, repair, rig, rework, reassemble, install, modify, adjust, test and preserve power plant systems, transmission systems, tail drive shaft assembly, rotor systems, fuel cells, flight controls, subsystems, and components according to directives, technical manuals, and safety procedures. Essential Responsibilities: Current or previous experience performing complex helicopter mechanical work to include but not limited to: Perform maintenance and repair of major assemblies, subassemblies and line replaceable unit''s (LRUs) of the MH-60R power plant related systems (engines and auxiliary power units).