Class B Refrigeration Operator (Casual Part-Time)

Black & McDonald Limited; Hamilton; On-site; CAD 40,000 - 41,000; Part time

Job summary

Black & McDonald Limited in Hamilton, Ontario, is seeking a hands-on Class B Refrigeration Operator for a permanent part-time role reporting to the Refrigeration Operations Supervisor. The position requires 7 days/week coverage and flexible availability.

The role involves operating HVAC/R systems, performing routine inspections, maintaining chillers and related equipment, and logging readings. Candidates must hold an A/B Refrigeration Operator certificate or a 3rd Class Power Engineer

Qualifications

• Experience operating refrigeration/boiler plants in a regulated environment.
• Strong troubleshooting and problem-solving abilities for HVAC/R systems.

Responsibilities

• Operate air compressors, chillers, water towers, water softeners, air dryers, pumps and fans.
• Perform chillER maintenance including cooling towers and associated equipment.
• Conduct routine inspections and testing of equipment and building infrastructure.
• Document readings and consumption, log gas/water/hydro data, and forecast gas usage.
• Provide access and coordination with sub-trades as required.

Skills

Troubleshooting

Interpersonal skills

Computer skills

Oral and written communication

Security clearance eligibility

Education

A/B Refrigeration Operator certificate or 3rd Class Power Engineer or higher

Job description

ABOUT THIS CAREER OPPORTUNITY

If you are a technical and hands‑on professional, this casual part‑time position is for you. The Class B Refrigeration Operator opportunity is a permanent part‑time position and reports to the Refrigeration Operations Supervisor. The position requires coverage 7 days/week, so candidates must have open and flexible availability.

The 3rd Class Refrigeration Operation will be responsible for the following duties and responsibilities:

• Experience within a TSSA‑regulated refrigeration/boiler plant
• Operate air compressors, chillers, water towers, water softeners, air dryers, pumps, and fans
• Chiller maintenance including cooling towers and associated equipment
• Extensive experience on HVAC/R systems
• Responsible for the safe operation of the refrigeration plant
• Perform all tasks related to the safe and efficient operation of the plant including repairs and maintenance
• Perform routine inspection and testing of equipment and building infrastructure to ensure proper operation
• Perform minor repair and general maintenance duties associated with building systems
• Document air compressor readings, all plant steam produced and consumption and gas consumption; supply gas forecasts to gas supplier
• Track and log all gas, water, and hydro readings
• Monitor and maintain water treatment for chillers and cooling towers
• Familiar with CMM and preventative maintenance programs
• Provide access and assistance to sub‑trades as required

EDUCATION REQUIREMENTS

• Must possess “A” or “B” Refrigeration Operator class certificate or a 3rd Class Power Engineer certificate or higher

WORK EXPERIENCE REQUIREMENTS

• Must have experience working as an operator in a refrigeration/boiler plant

SKILLS, ABILITIES, AND OTHER REQUIREMENTS

• Strong troubleshooting and interpersonal skills
• Bending and lifting required; lifting under 30 kg
• Ability to climb stairs and work on a ladder or scaffold as required
• Good computer skills
• Good oral and written communication skills
• Provide vacation coverage for other operators
• Must be able to successfully obtain and maintain necessary security clearances

Expected compensation for this role is a starting pay range between $29.00-$30.00/hour dependent on skills and experience.

Black & McDonald welcomes and encourages applications from persons with disabilities.
Accommodations are available upon request for candidates taking part in all aspects of the recruitment and selection process.