Key Responsibilities: Trades Specialists (Plumber & Steamfitter) perform journey-level plumbing and steamfitting work and may supervise others in the installation, alteration, and repair of pipes, fittings and fixtures of heating, ventilating, heating control, water, and drainage systems, according to specifications and plumbing codes. Successful completion of the two-year Trades Specialist (Plumber & Steamfitter) traineeship or a two-year plumbing training, apprenticeship, or equivalent program* such as the New York State Civil Service Employees Association-Partnership Applied Skilled Trades Traineeship and Certificate Program.