Safely maintains, repairs, and installs a variety of plumbing systems and infrastructure systems such as domestic water systems, storm and sanitary drain systems, hot/chilled water systems, sewage lift stations, sump pump systems, grease/chemical traps, water softeners, water heaters, including valves, fittings, and plumbing fixtures such as toilets, sinks, and drinking fountains. Must have successfully completed a recognized craft apprenticeship program, a technical school training program (such as a Ranken Technical College two-year certification program) or other equivalent training program.