The Operator-Maintenance Mechanic II must possess a working knowledge of all facets of water treatment operations including hydraulic, chemical, and electrical equipment and processes, in addition to a thorough understanding of the distribution system network including, but not limited to, gradients, capacities, interconnections, mapping, service territory and facility locations, to ensure the safe, reliable, and efficient operation of the water treatment facility and related appurtenances. Perform and/or assist with repairs to, and the maintenance of, equipment and facilities, such as chemical pump cleaning, piping repairs and modifications, cleaning and painting of equipment and structures, machinery lubrication, pump adjustment, equipment analysis and data collection, vibration, temperature, and electrical readings, and analytical water testing equipment.