Class B Refrigeration Operator

Black & McDonald Limited; Whitby; On-site; CAD 90,000 - 110,000; Full time

Benefits offered by this job

Accommodations available

Job summary

Black & McDonald Limited seeks a Class B Refrigeration Operator in Whitby, Ontario. The role requires operating a TSSA-regulated ammonia plant, maintaining chillers and HVAC/R equipment, and ensuring safe plant operations.

The candidate must hold a 3rd Class Power Engineer or higher (A/B Refrigeration Operator) and be available for continental 7-on/7-off shifts. Strong mechanical and communication skills are essential.

Qualifications

• Experience operating in an ammonia plant under regulatory standards.
• Open and flexible availability for continental shifts (7AM–7PM).
• Ability to perform routine inspections, maintenance, and repairs.

Responsibilities

• Operate chillers, air compressors, pumps, and fans in a TSSA-regulated ammonia plant.
• Maintain documentation of readings, gas consumption, and forecasts.
• Perform preventative maintenance and minor repairs on building systems.
• Ensure safe operation and compliance with safety protocols.
• Coordinate access for sub-trades and monitor water treatment for chillers.

Skills

Troubleshooting

Interpersonal skills

Oral and written communication

Computer skills

Physical dexterity

Education

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

Job description

Class B Refrigeration Operator

Location: Whitby, ON
Shift: Continental rotation (7 days on / 7 days off). Rotating 12-hour day and night shifts.

ABOUT THIS CAREER OPPORTUNITY

If you are a technical and hands-on professional searching for the opportunity to build a solid foundation for your career, this position is for you. The Class B Refrigeration Operator opportunity work with-in Whitby location and reports to the Chief Operator. The position requires continental shifts, thus candidates must have open and flexible availability.

You will be responsible for the following duties and responsibilities:

• Experience within a TSSA-regulated ammonia 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 3rd Class Power Engineer certificate or higher or “A” or “B” Refrigeration Operator class certificate

WORK EXPERIENCE REQUIREMENTS

• Must have experience working as an operator in an ammonia plant

SKILLS, ABILITIES, AND OTHER REQUIREMENTS

• Must be able to work 7AM to 7PM on a continental rotational shift
• Must be able to commute to Whitby
• 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

The expected salary range for this role is determined in accordance with the union collective agreement

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.

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