USA Government Jobs - - Responsibilities: Diagnose, repair, adjust, maintain, and lubricate bearings, gears, engines, compressors, and hydraulic equipment; Operate machine tools and equipment necessary to produce products within tolerances; Perform general machinery repair, dismantling, assembling and installing main and auxiliary machinery or hydraulic equipment; Work under close supervision of a work leader or journey-level employee; Perform work at a hydroelectric power project in shop, plant, and outdoor environments