About Black & McDonald
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 robust safety culture, technical expertise, and commitment to delivering reliable building services while supporting the growth and development of our people.

Position Summary
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.

Key Responsibilities
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
Qualifications & Requirements
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
Assets (Considered an Advantage)
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
Why Join Black & McDonald?
Work directly alongside experienced trades people and industry leaders for mentorship and training
Competitive wages and comprehensive benefits package
Service vehicle, tools, and technology support
Opportunities for overtime
Long‑term career growth with an established industry leader
Strong safety culture and supportive team environment
Ongoing technical training and development opportunities
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📌 Service Plumber (Commercial & Industrial) (Winnipeg)
🏢 Black & McDonald
📍 Winnipeg