BUILD YOUR CAREER AT BLACK & McDonald Black & McDonald is an integrated, multi trade service provider that safely delivers high quality construction, facilities management, and technical solutions. We are a family-owned and family-run company that employs thousands of highly skilled and talented professionals across North America. With 100 + years of diverse market experience, we are a forward thinking organization with a strong track record of delivering operational excellence and customer-focused solutions that stand the test of time.
ABOUT THIS CAREER OPPORTUNITY Black & McDonald’s Northern Ontario team is growing! If you are committed and cooperative professional looking to contribute to a hard-working, innovative team, this opportunity is for you. Black & McDonald Limited is actively seeking an HVAC Journeyman Mechanic for our Facility Services Division to maintain, upgrade, troubleshoot and repair HVAC equipment within our contract to achieve optimum life span of equipment. The individual would be required to join or be a member of local 787 Refrigeration and Air Conditioning UA.
Duties & Responsibilities include but are not limited to: Perform routine predictive planned maintenance duties and log readings outlined by CMMS schedule
Complete work orders, deficiency reports and field quotations for Additional Work Requests, estimate in a timely manner
Assemble and install refrigeration and air conditioning components
Installing, troubleshooting, and overhauling entire heating, ventilation, air conditioning and refrigeration systems
Testing heating, ventilation, air conditioning and refrigeration systems for leaks
Repairing and replacing components for entire heating, ventilation, air conditioning and refrigeration systems




Reading and interpreting blueprints
Responds to environment/comfort complaints in-suite
Starting up and shutting down major building equipment seasonally
Handle, recover and store refrigerants
Test and repair electronic components
Other duties as required
COMPETENCY REQUIREMENTS Communicates Effectively
Customer Focus
Problem Solving and Innovation
Teamwork and Collaboration
Values and Respects Others
SKILLS, ABILITIES, AND OTHER REQUIREMENTS Must possess a valid 313A refrigeration certificate
3 or more years’ experience as a Journeyman HVAC Technician
Valid G1 Certification
Valid Ozone Depletion Prevention Certificate (ODP)
Oil Burner Technician Certificate would be considered an asset
Valid ‘G’ Driver’s license
Experience with BAS systems
Knowledge of a variety of electronic, pneumatic and DDC control systems considered an asset
Ability to read and work from Mechanical / Electrical drawings, HVAC/R schematics, line drawings, etc.
Always maintain a professional demeanor with fellow employees and clients
A team player, committed to working in a quality environment
Available and willing to work varying shifts, weekends and holidays as required
Ability to work in confined spaces and work on a ladder or scaffold at various heights
This position’s wage rate follows the 787 Union Agreement schedule. Black & McDonald welcomes and encourages applications from persons with accessibility accommodation requirements. Accessibility accommodations are available upon request for candidates taking part in all aspects of the recruitment and selection process. If you are an existing Black & McDonald employee, please notify your supervisor of your interest and intent to apply before applying.

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📌 HVAC Journeyperson Technician (Ontario)
🏢 Doist
📍 Ontario