Installs, repairs, maintains, and/or alters steam and plumbing systems by cleaning sewer drains; by operating power tools, welding equipment, sewer cleaning machines, hand tools, and plumbing equipment; by laying out, cutting and fitting materials for welding; by packing joints, valves, and pumps; by cutting and threading pipes; by caulking and packing lead joints, valves and pumps; by replacing seals in water closets; by cleaning filters; by unplugging sinks, toilets, and drains; and by insulating heat tracing wires and/or piping to ensure that equipment is in proper working order and to meet agency needs. The Plumber & Steamfitter I opportunity will involve; installation, maintenance, and repair of plumbing systems, high pressure steam pipes and fittings, related steam operated equipment, condensate pumps, boilers, steam heat auxiliary equipment, including both supply and drain piping and related fixtures, and related control and metering equipment.