Performs journeyman-level installation, inspection, testing, maintenance, and repair of commercial and institutional plumbing systems, including domestic water, sanitary sewer, storm drainage, gas piping, fixtures, and mechanical room equipment (steam and chilled water). Diagnoses and resolves complex plumbing issues affecting buildings and infrastructure. Independently troubleshoot system failures, leaks, pressure issues, and equipment malfunctions. Responds to emergency service calls, assess risk, implement corrective actions, and restore systems to operational condition with minimal disruption. Ensures all work complies with local, state, and national plumbing codes, safety standards, and university policies. Completes work orders, inspections, documentation, and material take-offs accurately and in a timely manner. Reviews drawings, specifications, and schematics to execute work correctly. Provides technical guidance and informal leadership to apprentices and lower-level plumbers. Serves as a role model for safety, workmanship, professionalism, and customer service. Assists in planning work activities and sequencing tasks for efficient execution. Communicates professionally with building occupants, supervisors, contractors, and other trades to coordinate work activities. Maintains a clean appearance and positive public relations while representing Facilities Services. Knowledge, Skills Abilities: Knowledge of commercial and institutional plumbing systems, materials, and mechanical room equipment. Knowledge of applicable plumbing codes and safety standards, with the ability to interpret and apply blueprints, drawings, and technical documentation. Skill in the use of hand and power tools, testing equipment, and diagnostic devices. Ability to work independently, prioritize multiple assignments, communicate effectively with coworkers, supervisors, and customers, and maintain a safe work environment.