HVAC & Refrigeration Mechanic – On-Site Expert

Canadian Nuclear Laboratories; Chalk River; On-site; CAD 70,000 - 90,000; Full time

Benefits offered by this job

Paid time off

Benefits effective Day One

Tuition support

Pension plan

Job summary

Canadian Nuclear Laboratories is seeking a Refrigeration & Air Conditioning Mechanic for on-site work at Chalk River, Ontario. You will troubleshoot, install, repair and maintain HVAC and refrigeration equipment to support critical site infrastructure.

You will read technical drawings, work packages and procedures, perform leak checks, handle refrigerants, and ensure safety standards. The role includes mentoring apprentices within a union environment.

Qualifications

• Secondary School Graduation Diploma.
• Qualification as a Refrigeration & Air Conditioning Mechanic through a 9,000-hour apprenticeship.

Responsibilities

• Troubleshoot, repair, maintain, dismantle, install and adjust refrigeration, ventilation, and air conditioning equipment.
• Maintain HVAC systems and related equipment (fans, compressors, condensers, valves, humidistats, thermostats).
• Balance ventilation to design specs and verify performance after changes.

Skills

Troubleshooting HVAC

Repairing equipment

Installing systems

Reading blueprints

Verbal & written communication

Education

Diploma or equivalent

9,000-hour apprenticeship

Tools

DDC systems

Job description

Canadian Nuclear Laboratories is seeking a Refrigeration & Air Conditioning Mechanic for on-site work at Chalk River, Ontario. You will troubleshoot, install, repair and maintain HVAC and refrigeration equipment to support critical site infrastructure.

You will read technical drawings, work packages and procedures, perform leak checks, handle refrigerants, and ensure safety standards. The role includes mentoring apprentices within a union environment.