Inspects high-pressure, air, steam, water, and gas systems to ascertain malfunctions; repairs or replaces plumbing fixtures such as sinks, commodes, water heaters and hot water tanks; replaces washers; mends or replaces burst or leaky pipes; tests joints and pipe systems for leaks; opens clogged drains; measures, cuts, threads, bends, reams, and installs pipe and pipe fittings. Primary responsibilities include preventive maintenance, plumbing troubleshooting and repair, piping and fixture installation, leak response, drain and sanitary system maintenance, valve and pump maintenance, outage support, minor project support, work order documentation, and coordination with other facility trades and specialized service contractors.