Stationary engineers and auxiliary equipment operators maintain and operate stationary engines/auxiliary equipment such as boilers, turbines, generators, compressors, pumps, pollution control devices, and other equipment to provide heat, ventilation, refrigeration, light, and power for buildings/industrial plants.

Stationary engineers and auxiliary equipment operators perform some or all of the following duties:

Operate automated or computerized control systems, stationary engines and auxiliary equipment such as boilers, turbines, generators, pumps, compressors, pollution control devices and other equipment to provide heat, ventilation, refrigeration, light and power for buildings, industrial plants and other work sites;
Monitor and inspect plant equipment, computer terminals, switches, valves, gauges, alarms, meters and other instruments to measure temperature, pressure and fuel flow, to detect leaks or other equipment malfunctions and to ensure plant equipment is operating at maximum efficiency;
Analyze and record instrument readings and equipment malfunctions;
Troubleshoot and perform corrective action and minor repairs to prevent equipment or system failure;
Clean and lubricate generators, turbines, pumps and compressors and perform other routine equipment maintenance duties using appropriate lubricants and hand, power and precision tools;
Maintain a daily log of operation, maintenance and safety activities, and write reports about plant operation;
May assist in the development of operation, maintenance and safety procedures.

Power Engineer
Stationary Engineer