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Added 5 hours ago
G
REQ26-184 - Senior Mining Technician – Ground Control
Glencore
Quebec, QC
- Full-time
Must hold a valid driver’s license and general explosives permit · Must have completed the Mining Worker modular training courses 1, 2, 3, 4, 5, and 7 (preferred)
Added 9 hours ago
DU
3rd Class Power Engineer
Dalhousie University
Truro, NS
- Full-time
Must be willing and able to work shifts, rotating shifts and overtime, as required
Added 10 hours ago
N
Student, Power Engineering
Nutrien
Dalemead, AB
- Internship
Monitor and operate equipment and associated systems within standard operating conditions and limits
Added 10 hours ago
CI
Operations Supervisor
Colliers International
Whitby, ON
- Full-time
You will be required to participate in a rotating on call schedule.
Added 12 hours ago
GC
Engineer In Training, Process Maintenance
Glencore Canada
Sparwood, BC
- $91,300 to $126,800 CAD / year
- Full-time
You must have sound judgement and be able to form practical solutions through collaboration and engineering analysis
Added 13 hours ago
Millwright Lead
Celeros Flow Technology
Calgary, AB
Work Schedule/Hours: 7:00 am- 3:30 pm – must be flexible to work overtime and evening shifts if orders demand
Added 13 hours ago
EV
Engineer In Training, Process Maintenance
Elk Valley Resources
Sparwood, BC
- $91,300 to $126,800 CAD / year
- Full-time
You must have sound judgement and be able to form practical solutions through collaboration and engineering analysis
Added 22 hours ago
3rd Class Power Engineer
Winnipeg Regional Health Authority
Winnipeg, MB
Must take extreme caution in performance of tasks as exposed to high pressure steam piping, rotating equipment and high voltages.
Added 1 day ago
P
Site Shift Engineer – SEM/NATM Tunnelling (Major Subway & Underground Infrastructure Project – Toronto, Canada)
Protecnium
Toronto, ON
- Full-time
Availability to work 12-hour rotating day and night shifts under a 7/3 – 7/4 rotation schedule · 12-hour rotating day and night shifts
Added 1 day ago
S
Mechanical Project Engineer
SPECTRAFORCE
Oakville, ON
- Contract
…as biological sludge incineration and digestion. The Project Engineer (PE) develops key documents and generates technical RFQ packages and technical bid evaluations for rotating equipment,…
Added 1 day ago
S
Project Engineer
SPECTRAFORCE
Oakville, ON
- Contract
…as biological sludge incineration and digestion. The Project Engineer (PE) develops key documents and generates technical RFQ packages and technical bid evaluations for rotating equipment,…
Added 1 day ago
P
Site Shift Engineer – SEM/NATM Tunnelling (Major Subway & Underground Infrastructure Project – Toronto, Canada)
Protecnium
Canada
- Full-time
Availability to work 12-hour rotating day and night shifts under a 7/3 – 7/4 rotation schedule · 12-hour rotating day and night shifts
Added 2 days ago
NS
3rd Class Power Engineer - Maintenance and Operations
Nova Scotia Health Authority
Kentville, NS
- Internship
Reporting to the Chief Power Engineer & Assistant Manager on a 24-hour rotating shift basis, the 3rd Class Power Engineer troubleshoots, maintains, repairs, and monitors all steam plant…
Added 2 days ago
AM
Maintenance Mechanic/Relief Engineer
AB MAURI FOOD INC
Calgary, AB
- Full-time
Ability to work rotating shifts
Added 2 days ago
B&
Class B Refrigeration Operator
Black & McDonald Limited
Vaughan, ON
- Full-time
Rotating 12-hour day and night shifts · The position requires continental shifts, thus candidates must have open and flexible availability.
Added 2 days ago
E
Senior Compression Technical Advisor
Enbridge
Prince George, BC · Fort St. John, BC · Kamloops, BC
- Full-time
Provide technical mentorship and troubleshooting support for rotating equipment, helping improve equipment availability, performance, and operational reliability.
Added 2 days ago
B&
Class B Refrigeration Operator
Black & McDonald Limited
Vaughan, ON
- Full-time
Rotating 12-hour day and night shifts · The position requires continental shifts, thus candidates must have open and flexible availability
Added 2 days ago
CH
Maintenance Technician
Calgary Heritage Housing
Calgary, AB
- Full-time
Performing preventative maintenance and inspecting building systems, including HVAC, boilers and life-safety equipment.
Added 2 days ago
S
Mechanical Engineer
Sedgman
Vancouver, BC
- Full-time
Design of piping systems, process and mechanical equipment including design and selection of static and rotating equipment
Added 2 days ago
TM
Maintenance Engineer Senior
The Mosaic Company
Esterhazy, SK
- Full-time
The Maintenance Engineer provides in depth support for plant facilities mechanical or electrical systems (rotating and stationary) to increase the facility's overall reliability. Tasks…
Added 2 days ago
M
Maintenance Engineer Senior
Mosaic
Esterhazy, SK · CA - Esterhazy, SK
- Full-time
The Maintenance Engineer provides in depth support for plant facilities mechanical or electrical systems (rotating and stationary) to increase the facility's overall reliability. Tasks…
Added 3 days ago
JC
Facility Technician
Johnson Controls
Corner Brook, NL
- Full-time
Must hold a valid 4th Class Power Engineer Certificate · Ability and willingness to work rotating shifts, evenings, weekends, holidays, and participate in on-call coverage
Added 3 days ago
SM
Maintenance Technician - Millright
Sunrise Markets
BC · Delta, BC
- Full-time
Sunrise Soya Foods is seeking a skilled and experienced Millwright / Power Engineer to join our Maintenance team at our Delta manufacturing facility.
Added 3 days ago
A
Application Engineer
Aplin
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The Application Engineer will provide technical and commercial support for industrial mixing and agitation equipment throughout the sales process.
Added 3 days ago
ME
Mechanical Design Engineer
Morson Edge
Peterborough, ON
- Full-time
…analysis, vibration, heat transfer, ventilation, bearings, and rotating…

Black & McDonald Limited

Class B Refrigeration Operator

Vaughan, ON, Canada

Full-time

Apply on black-mcdonald-limited.breezy.hr About employer

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Job details

Job type: Full-time
Posting language: English
Posted: Nov 10, 2026

Original job description

Class B Refrigeration Operator
Location: Vaughan, 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 3^rd 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 Vaughan
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.

Apply on black-mcdonald-limited.breezy.hr About employer

More about this job

Responsibilities

The Class B Refrigeration Operator is responsible for the safe and efficient operation of the refrigeration plant, including air compressors, chillers, and associated infrastructure. Duties include performing routine inspections, minor repairs, preventative maintenance, and documenting plant readings.

Requirements

Candidates must possess a 3rd Class Power Engineer certificate or higher, or an 'A' or 'B' Refrigeration Operator class certificate. Extensive experience working as an operator in an ammonia plant is required, along with the ability to work continental rotational shifts.

Skills

Ammonia plant operation
HVAC/R systems
Chiller maintenance
Cooling towers
Air compressors
Preventative maintenance
Troubleshooting
Computer skills
Communication skills
Safety compliance
Equipment inspection
Water treatment
Technical documentation
Mechanical repair

Visa sponsorship

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Keywords

Refrigeration Operator
Ammonia Plant
Power Engineer
TSSA-regulated
HVAC/R
Chillers
Cooling Towers
Air Compressors
Preventative Maintenance
CMM
Building Infrastructure
Mechanical Maintenance
Safety
Troubleshooting
Industrial Operations

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Jobs in Canada