A Journeyman Plumber is a skilled worker who is an expert at working with any manner of plumbing in commercial and industrial settings. The journeyman plumber's responsibilities include installing new plumbing systems, drainage systems, and gas lines, clearing blockages, and maintain and repair existing systems. Journeyman plumbers should be experts regarding pipes, fittings, and all manner of plumbing fixtures. Must be able to work on weekends and evenings and participate in an on-call rotation.