Skill in installing, operating, inspecting, maintaining, repairing, and modifying generators, automatic transfer switches, and uninterruptible power systems; and in maintaining, overhauling, repairing, and reconditioning internal combustion engines, both diesel and gasoline; Skill in troubleshooting complex situations related to electrical power generators. Skill in using hand and power tools, instruments, test equipment, and electrical meters to include special tools such as hydraulic knock-out tools, hammers, drills, valve spring compressors, and micrometers; Ability to apply shop procedures, policies, written and oral instructions, and directives sufficient to provide training to others.