Service Plumber (Commercial & Industrial)

Black & McDonald is an integrated, multi-trade service provider offering full life‑cycle solutions for public and private sector clients. With operations across Canada and the United States, we pride ourselves on our strong safety culture, technical expertise, and commitment to delivering reliable building services while supporting the growth and development of our people.

Black & McDonald Limited is seeking an experienced Service Plumber with a valid Manitoba Red Seal License to join our commercial and industrial service team in Winnipeg. This role focuses on diagnosing, repairing, servicing, and maintaining plumbing and gas systems in occupied commercial and industrial facilities. The successful candidate will be customer‑focused, safety‑oriented, and highly skilled at troubleshooting complex systems.

• →Respond to service calls for commercial and industrial plumbing and gas systems
• →Diagnose, troubleshoot, repair, and maintain domestic water, sanitary, storm, and process piping systems
• →Service, repair, and troubleshoot gas‑fired equipment within the scope of a Gasfitter B license (e.g., boilers, unit heaters, hot water tanks, etc.)
• →Perform preventative maintenance, inspections, testing, and system evaluations
• →Identify deficiencies, recommend repairs or system improvements, and provide accurate repair scopes
• →Read and interpret blueprints, schematics, and technical documentation as required
• →Ensure all work complies with applicable codes, standards, and regulations (Plumbing Code, Gas Code, safety requirements)
• →Complete work orders, service reports, and digital documentation accurately and efficiently
• →Communicate professionally with customers, facility managers, and internal project teams
• →Coordinate service work with other trades and supervisors as required
• →Maintain and operate tools, equipment, and company vehicle in a safe and professional manner
• →Participate in occasional after‑hours service work, as required
• →Adhere to Black & McDonald’s safety policies and actively participate in safety meetings and training

• Journeyperson Plumber certification (Red Seal or Manitoba equivalent)
• 3–5+ years of experience in commercial and/or industrial service plumbing and gas work
• Strong troubleshooting skills with the ability to work independently
• Solid knowledge of gas‑fired equipment, hydronic systems, and commercial plumbing systems
• Ability to read and interpret blueprints, schematics, and manuals
• Strong communication and customer service skills
• Valid Class 5 driver’s license with a clean driving record
• Physically capable of performing duties of the trade, including lifting, climbing, confined space work, and working in mechanical rooms

• Valid Manitoba Gasfitter B (Class B) Ticket (preferred)
• Experience servicing hospitals, industrial plants, institutional, or large commercial facilities
• Experience with service contracts and facility maintenance environments
• Familiarity with mobile service reporting software
• Safety certifications such as First Aid, Fall Protection, Confined Space, or Aerial Work Platforms