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Third Class Operating Engineer Jobs in Hamilton, ON

Bunge

Operating Engineer - 3rd Class

Hamilton, ON · On-site

CA$43.11/hr

Third Class Operating Engineer Certification is required. * Valid Ontario Class G driver's license (or equivalent). * Experience operating industrial processing equipment, utility systems, or ...

Oxy

OxyChem 3rd Class Relief Power Engineer

Thorold, ON

CA$43.57 - CA$49.78/hr

Relieves Operating Engineers Third Class as needed for vacation and illness. * Conduct daily work activities in support of HSE objectives and policies. Use personal accountability to assist with ...

Enns Refrigeration

Refrigeration B Operator

Kitchener, ON · On-site

CA$42/hr

... 4th Class Operating Engineer for a permanent, full-time position at an industrial facility in the Kitchener area. The successful candidate will work as part of the facility's maintenance team and ...

Evonik

Maintenance/Utilities Operator

Morrisburg, ON · On-site

A valid Ontario 4th Class Operating Engineer's License OR * Industrial Mechanic Millwright (433A), Industrial Electrician (442A) or Electrician Construction and Maintenance (309A) OR * 2 Years ...

Maple Leaf Foods

Shift Engineer

Mississauga, ON · On-site

$37.10/hr

Improve plant efficiency by reporting on operating conditions of equipment, determine operating ... Possesses and maintains a valid Ontario Refrigeration B Certificate or higher, or 3rd Class ...

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All JobsThird Class Operating Engineer JobsThird Class Operating Engineer Jobs in Hamilton, ON

Third Class Operating Engineer information

What is the difference between Third Class Operating Engineer vs Second Class Operating Engineer?

AspectThird Class Operating EngineerSecond Class Operating Engineer
CredentialsRequires a Third Class license, often with specific experienceRequires a Second Class license, more extensive experience and testing
Work EnvironmentOperates boilers, pumps, and HVAC systems in buildings or facilitiesHandles larger or more complex systems, often in industrial or larger commercial settings
Employer & IndustryCommonly employed in commercial buildings, hospitals, and schoolsFound in industrial plants, large commercial facilities, and power plants

The main difference between a Third Class Operating Engineer and a Second Class Operating Engineer lies in their licensing requirements, scope of work, and the complexity of systems they operate. Second Class licenses permit handling larger and more complex equipment, often in industrial settings, while Third Class licenses are suitable for smaller systems in commercial buildings.

What cities near Hamilton, ON are hiring for Third Class Operating Engineer jobs?

Cities near Hamilton, ON with the most Third Class Operating Engineer job openings:

Third Class Operating Engineer jobs near you
Infographic showing various Third Class Operating Engineer job openings in Hamilton, ON as of August 2026, with employment types broken down into 100% Full Time. Highlights an 91% In-person, and 9% Remote job distribution.

4th Class Operating Engineer

Hamilton, ON

Maple Leaf Foods
See more jobs at Maple Leaf Foodsexternal

$35.37/hr

Full-time

Re-posted 12 days ago

Job description

?Job Description?The Opportunity:As part of Maple Leaf Food?s manufacturing team, the 4th Class Engineer will be a contributor to the efficient operation of the Central Utilities Plant (CUP). The incumbent will operate the engineering systems in a safe and efficient manner and in compliance with applicable Acts, Codes, Regulations and Standards; engineering systems includes water (potable, sanitary, storm, etc.), compressed air, and steam and ammonia (NH3) refrigeration, boilers, and compressors.?Any MLF team member interested in being considered for this role are encouraged to apply online by July 28. Applications received beyond that date are not guaranteed consideration.?Reason for vacancy:? Existing HeadcountBase Salary:? ?$35.37 /hourHours of work: 7:00 am to 5:00 pm. Schedules may be varied to meet operational requirements and emergencies?Snapshot of a Day-in-the-Life:The incumbent will support the development of SOPs for the start-up of equipment and complete documents to ensure assigned asset numbers as installed, review manuals and generate PM programs for installed equipment.Maintain, monitor, test and log all steam generating requirements by operation code and establish operating parameters of equipment with setpoints.Completes routine plant inspections of the ammonia-refrigeration, boilers and compressors and ensures that all systems are operating in a safe and expected manner.Interface with necessary contractual and inspection departments for corrective or legal requirements.Conduct work requests and apply corrective measures in a timely manner utilizing computerized maintenance system (including SAP).Follow all Health & Safety, Food Safety, HACCP, WHMIS and MSDS policies or procedures.Participate in machinery rebuilds, installations and repairs.Shall demonstrate full commitment to the implementation of the requirements of the Global Standard for Food Safety and to processes which facilitate continual improvement of food safety and quality management.Operate and maintain all building systems and equipment, including but not limited to, HVAC, cooling towers, emergency diesel generator, gas, steam, water, air system, plumbing, and electrical.Maintain all auxiliary equipment in accordance with governing standards, codes, and regulations.Monitor and control building operations through the Siemens Building Automation system.Perform preventative maintenance and regular repairs with minimum supervision.Adjusts thermostats, valves, dampers, etc. to maintain desired conditions.Perform maintenance of mechanical equipment as outlined on the Preventative Maintenance Program including belt adjustments, lubrication, filter changes etc.Oversee subordinate employees, contractors, and service personnel.Assist with other duties related to the position as assigned.?What You?ll Bring:Must hold a valid certificate of qualification as a 3rd Class Operating (Stationary) Engineer. Consideration will be given to a 4th Class Operating Engineer who is progressing toward obtaining the 3rd Class certificate within 2 years and has relevant maintenance experience.Must have a compliment of hand tools?Must have environmental and energy tracking and reporting knowledge?Able to heavy lifting (up to 50 lbs.)?Knowledge of steam, compressed air, hot water, power boilers and refrigeration systems?Willingness to obtain IMTExperience in ammonia systems.Working knowledge of computer software and computerized maintenance systems such as SAP.Must be self-managed and able to set priorities among conflicting priorities.?Strong written and verbal communications skills.Can work well in a team environment?Preference to the person with the dual ticket ? G1; G2; millwright, electrician, instrumentation.?

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