Major duties and responsibilities include, but are not limited to the following: Operates boiler plants with capacity of 3,450 to 14,000 pounds of steam per hour and assists in the operation and operational maintenance of gas or oil-fired steam boilers, along with the auxiliary equipment, both manual or automatic controls to produce saturated or superheated steam or high temperature hot water. Operates dampers, induced and forced draft fans, bottom and fly ash removal equipment, heat exchangers, fuel and air heaters, pumps, fuel pressure, control valves, fuel strainers, relief valves, water softeners, and other similar equipment.