A position in this class is generally exposed to prolonged periods of standing, bending, climbing, loud industrial noises, fumes, and gases, working in confined spaces, above and underground, operating a variety of hand/power tools, equipment, and machinery requiring finger and hand dexterity, working in the field or in a plant working environment in all types of weather conditions and using proper safety equipment and devices. Wastewater Treatment Plant (WWTP) Assistant support maintenance machinists, electrical technicians, and plant operators with the operation, repair, and cleaning of equipment, tools, buildings, and grounds of wastewater treatment plants, pump stations, and the bio-solids manufacturing area.