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First Class Operating Engineer Jobs in Mississauga, 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 production ...

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 ...

Allied

Building Operator

Toronto, ON · On-site

CA$60K - CA$68K/yr

Certifications : 4th or 5th class Operating Engineer, or a provincial trades certification is an asset, but not a requirement. $60,000 - $68,000 a year Allied determines individual compensation by ...

Ainsworth

Building Operator

Toronto, ON

Power or Stationary Operating Engineer Class 4 (not Required) * Refrigeration Operator Class B (not required) * Building Environmental Systems 1 or 2 (preferred) * Facility Operations Certificate ...

Ainsworth

Building Operator

Toronto, ON · On-site

Power or Stationary Operating Engineer Class 4 (not Required) * Refrigeration Operator Class B (not required) * Building Environmental Systems 1 or 2 (preferred) * Facility Operations Certificate ...

Ainsworth

Building Operator

Toronto, ON

Power or Stationary Operating Engineer Class 4 (not Required) * Refrigeration Operator Class B (not required) * Building Environmental Systems 1 or 2 (preferred) * Facility Operations Certificate ...

Apotex

Technician, Building System

Richmond Hill, ON · On-site

CA$73K - CA$121K/yr

Trade certification in appropriate field (licensed millwright, refrigeration mechanic, industrial electrician,gas technician (G2) etc.) required. * 3rd Class Operating Engineer's Certificate or 4th ...

Apotex

Technician, Building Systems

North York, ON · On-site

CA$63K - CA$105K/yr

Trade certification in appropriate field (licensed millwright, refrigeration mechanic, industrial electrician etc.) required. * 3rd Class Operating Engineer's Certificate or 4th Class Certificate ...

Td

Principal Platform Engineer

Toronto, ON

CA$165K - CA$200K/yr

... operators rely on daily. You will be responsible for delivering the end to end solution. This is a ... Ensure API security, rate limiting, observability, and reliability are first-class concerns * Own ...

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First Class Operating Engineer information

What is the difference between First Class Operating Engineer vs Stationary Engineer?

AspectFirst Class Operating EngineerStationary Engineer
CredentialsRequires a First Class license, often including additional certificationsTypically holds a First or Second Class license, depending on jurisdiction
Work EnvironmentOperates and maintains large HVAC, boilers, and mechanical systems in commercial or industrial facilitiesManages similar systems, often in power plants, hospitals, or large buildings
Employer & IndustryCommonly employed by commercial buildings, industrial plants, and utilitiesFound in power generation, manufacturing, and large institutional facilities

Both First Class Operating Engineers and Stationary Engineers hold similar licenses and work in comparable environments maintaining essential mechanical systems. The main difference lies in terminology used regionally or by specific employers, but their roles and credentials largely overlap.

Is a First Class Operating Engineer hard to get into?

Becoming a First Class Operating Engineer requires completing specific licensing or certification requirements, which often involve passing exams and gaining relevant work experience. The process can be competitive and may take several years of training and on-the-job experience to qualify for the license. Strong technical skills and knowledge of mechanical systems are essential for success in this role.
Infographic showing various First Class Operating Engineer job openings in Mississauga, ON as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 19% Part Time, and 5% Contract. Highlights an 84% Physical, 1% Hybrid, and 15% Remote job distribution.

Third Class Operating Engineer

Scarborough, ON • On-site

Atlantic Packaging Products
See more jobs at Atlantic Packaging Productsexternal

CA$44.23/hr

Full-time

Medical, Dental, Vision

Re-posted 14 days ago

Job description

“Join us in building Careers and shaping Experiences Beyond the Box”

About Us

At Atlantic Packaging, every box tells a story and yours begins here. As a proudly Canadian-owned company with over 80 years of excellence in the corrugated packaging industry with operations within North America (Ontario, Quebec and United States), we’re committed to sustainability, customer excellence and community impact. Since 1945, we’ve supported local jobs and built a legacy of trust with our clients and team members. At Atlantic, your ideas matter, your growth is supported and your work makes a real impact. The hourly wage rate for this position: $44.23.

The Opportunity

Reporting to the Chief Engineer, the 3rd Class Operating Engineer is responsible for the safe, efficient, and reliable operation of the boiler plant and associated utility systems. This role supports manufacturing operations by monitoring, maintaining, and troubleshooting high-pressure boilers, fuel handling systems, compressors, heating systems, and related equipment. The successful candidate will play a key role in ensuring equipment reliability, regulatory compliance, workplace safety, and continuous plant performance while contributing to a collaborative and safety-focused environment.
 
What You'll Do
 
  • Operate, monitor, and maintain high-pressure water tube boilers, fluidized bed boilers, compressors, and associated utility equipment.
  • Perform boiler water testing and ensure systems operate safely and efficiently.
  • Monitor and support building fire alarm, steam heating, and glycol heating systems.
  • Troubleshoot equipment issues and perform routine maintenance to maximize reliability and uptime.
  • Follow all health, safety, environmental, and operating procedures, including the use of required PPE.
  • Support plant operations by performing additional duties as assigned.

What You Bring

  • Valid Ontario 3rd Class Operating Engineer's Certificate of Qualification.
  • Previous experience maintaining and operating high-pressure water tube boilers.
  • Experience with solid fuel handling, combustion systems, and boiler auxiliaries.
  • Hands-on mechanical maintenance experience in an industrial or manufacturing environment.
  • Strong troubleshooting skills with a focus on safety, compliance, and operational excellence.
  • Ability to lift up to 50 lbs repeatedly and work in a physically demanding environment.
  • Willingness to wear required PPE, including respirators, Tyvek suits, safety glasses, gloves, and safety footwear.

What We Offer

  • Comprehensive health, dental and vision coverage (dependents included)
  • Teamwork-focused culture with sustainability initiatives and social events
  • A culture of appreciation through a point-based recognition
  • Opportunities for advancement and internal movement
  • Education assistance for continuous skill development
  • Academic scholarships for employees’ children
  • Safety equipment and PPE support program
  • Retirement savings and wellness initiatives
  • Employee Assistance Program (EAP)

Please Note

Candidates who are 18 years or older are required to complete a criminal and background check. Details will be provided through the application process. This posting is for an existing vacancy. 

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