Jobs in Canada

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Added 2 months ago
B&
Building Operator I (4th Class Stationary Engineer) - Future opportunity
Black & McDonald Limited
Ottawa, ON
- Full-time
4th or 3rd Class Operating Engineer certificate is mandatory, with extensive experience in BAS and HVAC systems.
Added 3 months ago
CL
stationary engineer, third class
Clover Leaf Seafoods
Blacks Harbour, NB
- Full-time
Night shift premium
Added 2 months ago
SR
Plant Operator
Strathcona Resources Ltd.
Macklin, SK · Plover Thermal
- Full-time
Schedule: Rotating day/night shifts, including weekends, holidays, and extra coverage as needed
Added 5 months ago
FH
Power Engineer, Plant Services
Fraser Health
New Westminster, BC
- Full-time
…compressors as well as mechanical power generation systems at a 3rd Class Power Engineer's level in conformance with accepted regulatory codes, Worksafe BC regulations and established…
Added 2 months ago
B
3rd Class Stationary Engineer
BGIS
Gatineau, QC
- Full-time
The incumbent must have significant knowledge of the operation of heating and cooling plant equipment and systems
Added 2 months ago
Power Engineer 4th Class
Stella-Jones
Truro, NS
Requires 4th Class Stationary Engineer license (3rd class considered an asset).
Added 5 months ago
CN
Operating Engineer, Class 3
Canadian Nuclear Laboratories
Chalk River, ON
- Full-time
Qualification as a 3rd Class Operating Engineer in the Province of Ontario (Standardized)
Added 2 months ago
B&
Building Operator I (4th Class Stationary Engineer) - Future opportunity
Black & McDonald Limited
Ottawa, ON
- Full-time
4th or 3rd Class Operating Engineer certificate is mandatory, with extensive experience in BAS and HVAC systems.
Added 2 months ago
NP
2nd Class Shift Engineer
Northland Power Inc.
North Battleford, SK
- Full-time
Holder of a valid 2nd class power engineer’s license in the province of Saskatchewan. Consideration may be given to a 3rd Class Power Engineer with 3 papers completed towards their 2nd…
Added 3 months ago
F
R2026-297 Senior Software Engineer
Flywheel
Toronto, ON
- Full-time
…create goals based on strategy and rely on Perpetua’s best-in-class, always-on optimization to execute tactically. Amazon Ads is a $40B business today and every retailer on the planet is…
Added 3 months ago
Power Engineer
AV Group NB Inc.
Atholville, NB
Must be willing and able to work rotating shifts, overtime and in-calls
Added 3 months ago
TO
Facilities
The Ottawa Hospital
Ottawa, Ontario
- Full-time
You are a qualified certified professional in a specialized Trade, or a Stationary Engineer in the 2nd, 3rd, or 4th class. You have 3 to 5 years of experience in your field and good…
Added 3 months ago
2nd Class Power Engineers
WSG Energy Services
Cold Lake, AB
Shift: 12-Hour Rotating Shifts (Days & Nights) · This position operates on a 12-hour rotating shift schedule, including both day and night shifts
Added 2 months ago
Operating Engineer - 3rd Class
Bunge
Hamilton, ON
Third Class Operating Engineer Certification is required
Added 4 months ago
AT
Chief Engineer
Atlantic Towing
Saint John, New Brunswick
- Full-time
Atlantic Towing is seeking Chief Engineer for the Harbour and Coastal fleet. The Chief Engineer is responsible to the Captain for the safe, environmentally sound, and efficient running of…
Added 2 months ago
A
Technician, Building Systems
Apotex
Toronto, ON · North York, ON
- $63,482 to $105,804 CAD / year
3rd Class Operating Engineer’s Certificate or 4th Class Certificate with relevant steam experience preferred.
Added 3 months ago
EC
Process Operator
ECOVYST CATALYST TECHNOLOGIES LLC
Timmins, ON
- Full-time
3rd Class Stationary Engineer Certificate required (4th Class Stationary Engineer may be considered)
Added 3 months ago
AG
R2026-297 Senior Software Engineer
Adelphi Group
Toronto, ON
- Full-time
…create goals based on strategy and rely on Perpetua’s best-in-class, always-on optimization to execute tactically. Amazon Ads is a $40B business today and every retailer on the planet is…
Added 4 months ago
ST
3rd and 4th Class Power Engineers
Sustane Technologies Inc.
Chester, Nova Scotia
- Full-time
As the ideal candidate, you will have a 3rd or 4th class power engineering/stationary trade certification. A proven record of performance in a process operating role may be considered as an…
Added 4 months ago
DS
Refrigeration Operator (Class B)
Dawn Staffing Solutions Inc
Flesherton, Ontario
- Full-time
Ability to work rotating shifts, weekends, and on-call schedules as required.
Added 3 months ago
LB
Powerhouse Engineer
Labatt Breweries of Canada
Edmonton, Alberta
- Full-time
SHIFT: Rotating shift, Monday - Friday, 8 hours per shift: · Shift premiums afternoon shift $0.90 per hour and night shift $1.15 per hour
Added 3 months ago
JI
Chief Engineer
J.D. Irving, Limited
Saint John, NB
- Full-time
Atlantic Towing is seeking Chief Engineer for the Harbour and Coastal fleet. The Chief Engineer is responsible to the Captain for the safe, environmentally sound, and efficient running of…
Added 5 months ago
BH
Operating Engineer - 3rd class, Facilities Management
Bruyère Health
Ottawa, Ontario
- Part-time
Certified as an Operating Engineer, 3rd class in the province of Ontario
Added 5 months ago
V
Assistant Shift Engineer
Vale
Canada
- Full-time
We are currently seeking an Assistant Shift Engineer to join our Site Services Team in Voisey’s Bay, Labrador, a fly-in fly-out operation · Must have a good understanding of the Safety & Environmental policies and procedures ensuring work is conducted accordingly
Added 6 months ago
P
Principal Pre-sales Engineer - ALM (Automotive)
PTC
Canada
- Full-time
…and Pure Variants including integrations with Windchill and 3rd party products to customers prospects and partners (technical and executive…

Canadian Nuclear Laboratories

Operating Engineer, Class 3

Chalk River, ON, Canada

Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Job type: Full-time
Posting language: English
Posted: May 27, 2026

Original job description

Are you looking for a role that will challenge you? If you answered yes, then this may be the job for you! Under the supervision of the Chief Operating Engineer or designate, successful candidates will be responsible for performing the duties required of an Operating Engineer CLASS 3 (CL3).

What you will be doing!

The Operating Engineer CL 3 Is Directly Accountable For

Operating Chalk River Laboratories (CRL) Powerhouse equipment.
Operating heating, ventilation, and air conditioning equipment, including ventilating fans, refrigeration compressors, pumps, steam and hot water boilers, both oil and gas, hot water heating systems, chilled water, and DX (Direct Expansion) air conditioning systems.
Ensuring that the equipment is operated safely and efficiently according to written procedures or verbal instruction and instituting corrective action when necessary.
Testing operating and safety controls, such as pressure switches, pressure relief valves, thermostats, control valves, traps, etc., to ensure that they are performing properly.
Adjusting instrument control point settings to maintain proper temperature and humidity.
Operating and maintaining a DDC (Distributed Digital Control) system including but not limited to monitoring, adjusting, programming, and minor maintenance.
Recording and maintaining records on energy use: steam, air, water, and electricity.
Recording temperature, relative humidity, and other operating conditions, as instructed.
Performing routine patrols of site buildings to check for abnormal conditions in HVAC, sanitary sewer, firewater, service water systems, etc.
Performing routine checks of the sewage treatment plant.
Maintaining good housekeeping practices in all work areas, adhering to provincial, federal, and CNL regulations to provide a safe and efficient working environment.
Attending monthly safety meetings and immediately report any safety concerns and/or infractions. Apply CNL’s Event Free Tools procedure throughout the execution of assigned work and model this behavior and knowledge to others.
Assisting in the training, coaching, and mentoring of new employees in safe practices and procedures.
Performing water tests to determine water treatment measures needed, maintaining water quality in boilers, open and closed loop heating and cooling systems.
Maintaining written and electronic logbooks.
Other duties as assigned by your manager.

What we are looking for :  

Education:
- Grade 12 Secondary School Graduation Diploma
Experience:
- Qualification as a 3rd Class Operating Engineer in the Province of Ontario (Standardized)
- Valid Class G Ontario Drivers license.
Knowledge, Skills & Abilities:
- Knowledge of all applicable codes and standards including the Technical Standards and Safety Act – Ontario Regulation #219/01 – Operating Engineers, and all applicable CNL procedures to provide a safe and healthy work environment.
- Demonstrate use and endorsement of Personal Protection Equipment (PPE).
- Knowledge of high-pressure steam boilers and related control systems.
- Written and verbal communication skills to be able to work in multi-trade groups and communicate with CNL staff across a broad range of disciplines.
- Good computer skills and working knowledge of Microsoft Office to update and write procedures, create spreadsheets, input data, and communicate via email.
Security Clearance Eligibility Required
- Reliability Status with Site Access Security Clearance (SASC), which has a minimum requirement of 3 years of verifiable history in Canada, Australia, New Zealand, the United States and/or the United Kingdom. CNL implements security screening in accordance with the Treasury Board of Canada Secretariat's “Standard on Security Screening” and the “Policy on Government Security.”

Why CNL?

Does working with a team across Canada to advance nuclear science and technology for a clean and secure world speak to you? We're reinventing ourselves to be the pacesetters so we can lead the charge in solving the problems that matter, like building the next generation of clean nuclear and hydrogen energy solutions, developing new and better-targeted cancer treatments, and continuing to lead the world in environmental remediation.

We Offer a Complete Total Rewards Package

paid time off (vacation, sick, floater & personal);
benefits effective day one, that’s right, no waiting period;
tuition support
and a pension!

Do Our Priorities Resonate with You?

Clean energy for today and tomorrow.
Restore and protect the Environment.
Contribute to the health of Canadians.

Location :

CNL’s Chalk River Laboratory is nestled in the Ottawa Valley and affords our employees an area that is environmentally pristine with extensive forests, hills, and numerous small lakes, all of which support a variety of wildlife typical to the southern edge of the Canadian Shield . Many surrounding towns, such as Pembroke, Petawawa, and Deep River, provide unparalleled outdoor adventures at your doorstep!

CNL is committed to providing an atmosphere free from barriers that promotes equity, diversity, and inclusion in achieving our mission. CNL welcomes and celebrates employees, stakeholders, and partners of all racial, cultural, and ethnic identities. Read here for more on our DE&I Commitment.

CNL also supports a workplace environment and corporate culture built on our Core Values: Respect, Teamwork, Accountability, Safety, Integrity, and Excellence. These values encourage equitable employment practices and career prospects inclusive of accommodations for all employees.

CNL is committed to being an equal-opportunity employer. If you require accommodation measures during any phase of the hiring process, please indicate via our ATS when applying. All information received regarding accommodation requests will be kept confidential.

The Chalk River Laboratories site is located on the unceded and unsurrendered territory of the Algonquin Anishinaabe people. As an organization, CNL recognizes and appreciates their historic connection to this place. CNL also recognizes the contributions that First Nations, Métis, Inuit and other Indigenous Peoples have made, both in shaping and strengthening this community in particular, and this province and country as a whole.

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More about this job

Responsibilities

The Operating Engineer is responsible for operating and maintaining powerhouse equipment, including HVAC, boilers, and DDC systems at Chalk River Laboratories. This includes performing routine site patrols, monitoring energy use, and ensuring all equipment operates safely and efficiently.

Requirements

Candidates must hold a 3rd Class Operating Engineer qualification in Ontario and a valid Class G driver's license. A high school diploma and the ability to obtain Site Access Security Clearance are also required.

Skills

HVAC Operation
Boiler Operation
DDC Systems
Water Treatment
Preventative Maintenance
Safety Compliance
Technical Documentation
Microsoft Office
Pressure Vessel Testing
Equipment Monitoring

Benefits

Paid time off
Vacation
Sick leave
Floater days
Personal days
Health benefits
Tuition support
Pension

Visa sponsorship

Not detected in the job text

Keywords

Operating Engineer Class 3
HVAC
High-pressure steam boilers
DDC
Distributed Digital Control
Technical Standards and Safety Act
Ontario Regulation #219/01
Water Quality
Pressure Relief Valves
Refrigeration Compressors
Chilled Water Systems
DX Air Conditioning
SASC
Security Clearance
Nuclear Science
Energy Use Monitoring
PPE
Event Free Tools

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Work requirements

Jobs in Canada