A professional who installs, adjusts, maintains, and repairs electrical and mechanical equipment and parts in power-generating station. Responsibilities include:

• Installs equipment.
• Dismantles and overhauls equipment.
• Dismantles and repairs auxiliary equipment, such as pumps, compressors, and pipe systems.
• Assists in conducting acceptance and performance tests on new or existing equipment.
• Fabricates special tools, rigging equipment, and replacement parts for equipment.
• May install wiring between machinery, switchboards, and control panels.
• May be designated according to type of plant in which maintenance is performed as diesel-powerplant mechanic; gas-turbine-powerplant mechanic; geothermal-powerplant mechanic; nuclear-powerplant mechanic; steam-generating-powerplant mechanic.