Gasfitter A - Commercial & Industrial Service

Black & McDonald Limited•Winnipeg, MB

4d•Onsite

About The Position

Black & McDonald Limited is seeking a highly skilled and safety‑focused Gasfitter A to join our commercial and industrial service team in Winnipeg. The successful candidate will be responsible for servicing, troubleshooting, repairing, and maintaining complex gas‑fired systems and equipment in operational facilities. This role requires strong technical expertise, independent problem‑solving ability, and a customer‑focused approach in occupied environments.

Requirements

Valid Manitoba Gasfitter A (Class A) Certification (required)
Minimum 5+ years of experience in commercial and/or industrial gas service work
Strong understanding of combustion systems, burners, controls, and hydronic applications
Experience with troubleshooting large‑scale gas systems
Ability to work independently with minimal supervision
Strong ability to interpret technical drawings, schematics, and manufacturer documentation
Excellent 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, working at heights, and in confined mechanical spaces

Nice To Haves

Dual trade certification (Plumber, Steamfitter/Pipefitter, or Refrigeration)
Experience servicing standard commercial, industrial facilities, or institutional buildings
Experience with Building Automation Systems (BAS) and advanced controls
Familiarity with mobile service management platforms
Safety certifications such as First Aid, Fall Protection, Confined Space, Aerial Work Platforms

Responsibilities

Respond to service calls involving commercial and industrial gas‑fired equipment and systems
Diagnose, troubleshoot, repair, and maintain natural gas and propane systems within the scope of a Gasfitter A license
Service and repair large‑scale and complex gas‑fired equipment, including boilers, burners, rooftop units, make‑up air units, process equipment, and hydronic systems
Perform start‑ups, shutdowns, inspections, testing, combustion analysis, and preventative maintenance
Identify system deficiencies and provide clear recommendations, repair scopes, and corrective actions
Read and interpret gas schematics, P&IDs, blueprints, and technical manuals
Ensure all work complies with applicable codes, standards, and regulations (CSA B149, Manitoba Gas & Safety Codes, and company safety policies)
Communicate professionally with customers, facility managers, and internal project teams
Complete service reports, work orders, and digital documentation accurately and efficiently
Coordinate service activities with other trades, supervisors, and project managers as required
Participate in on‑call rotation and after‑hours emergency service work, as required
Maintain and operate tools, equipment, and company vehicle in a safe and professional condition
Actively participate in safety meetings, training, and hazard assessments