Summary This Plumber position is located at Golden Gate National Recreation Area in San Franscisco, CA. Please visit find a park for additional park information. This is a Permanent, Full-time, Competitive appointment. Responsibilities At the full performance level (WG-09) the major duties of this position include, but are not limited to the following: Perform preventive maintenance to all plumbing and mechanical equipment and parts. Install, modify, and repair plumbing fixtures (bathtubs, showers, toilets, sinks, water fountains, and their associated hardware). Clean gravity type sewage drain lines, repairs or replaces potable water lines, and make connections and repairs to water mains and fire hydrants. Install, repair, and perform preventive maintenance to heating and cooling systems (including low pressure hot water and evaporative type coolers). Pack valve stems, service check valves, flanges, altitude valves, gauges, and all pumping equipment used in water systems. May perform m...