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B Operator Jobs in Ontario (NOW HIRING)

McCormick & Company

Line Operator - B Shift

London, ON · On-site

CA$21.23/hr

We are currently hiring a Line Operator to join our Operations team at 600 Clarke Road, London (519 432 7311). This position is on Afternoon B Shift (Monday-Friday, 3:00pm-11:20pm). Why join us? The ...

Gordon Food Service

Class B Refrigeration Operator

Ajax, ON · On-site

CA$40.98 - CA$47.98/hr

Refrigeration Operator Class B Certification is required * Industrial Mechanic Millwright (433A) Certification is preferred * Skilled trade ticket is preferred * Must have 5+ years of direct hands-on ...

McCormick & Company

Line Operator - B Shift

London, ON

CA$21.23/hr

We are currently hiring a Line Operator to join our Operations team at 600 Clarke Road, London (519 432 7311). This position is on Afternoon B Shift (Monday-Friday, 3:00pm-11:20pm). Why join us? The ...

Town of Tillsonburg

Facility Operator II

Tillsonburg, ON · On-site

CA$31.24 - CA$36.55/hr

Follows technical standards and safety authority legislation, the B-52 refrigeration code and uses the refrigeration computer to verify proper operating conditions. * Performs regular refrigeration ...

Greenhouse

Processing Operator

Mississauga, ON · On-site

CA$20.75/hr

Processing Operator - Food & Beverage (Full‑time, Permanent) Employer ... Greenhouse Juice Co. (Certified B Corporation) Location : 3543 Nashua Dr, Mississauga, ON L4V 1R1 ...

Greenhouse

Machine Operator

Mississauga, ON · On-site

CA$20.75/hr

Machine Operator - Food & Beverage (Full‑time, Permanent) Employer ... Greenhouse Juice Co. (Certified B Corporation) Location : 3543 Nashua Dr, Mississauga, ON L4V 1R1 ...

Ainsworth

Building Operator

Toronto, ON · On-site

Refrigeration Operator Class B (not required) * Building Environmental Systems 1 or 2 (preferred) * Facility Operations Certificate (preferred) While we appreciate all applications we receive, we ...

Ainsworth

Building Operator

Toronto, ON

Refrigeration Operator Class B (not required) * Building Environmental Systems 1 or 2 (preferred) * Facility Operations Certificate (preferred) While we appreciate all applications we receive, we ...

Ainsworth

Building Operator

Toronto, ON · On-site

Refrigeration Operator Class B (not required) * Building Environmental Systems 1 or 2 (preferred) * Facility Operations Certificate (preferred) While we appreciate all applications we receive, we ...

Technica Mining

Boltec Operator

Timmins, ON · On-site

CA$65 - CA$80/hr

U0068 A or B - Perform Trackless Haulage * U0089 - Operate Mechanized Jumbo Drill * U0091 - Operate Haul Truck * Previous experience operating a jackleg and stoper is considered an asset. * Minimum ...

Technica Mining

Boltec Operator

Timmins, ON · On-site

CA$65 - CA$80/hr

U0068 A or B Perform Trackless Haulage * U0089 Operate Mechanized Jumbo Drill * U0091 Operate Haul Truck * Previous experience operating a jackleg and stoper is considered an asset. * Minimum of five ...

TC Transcontinental

Stacker Operator

Woodbridge, ON · On-site

CA$22 - CA$26/hr

A TCL.B), known under the TC Transcontinental brand, is a Canadian retail marketing services ... The operator must be in constant communication with the operator, and with the press crew.

TC Transcontinental

Stacker Operator

Woodbridge, ON · On-site

CA$22 - CA$26/hr

A TCL.B), known under the TC Transcontinental brand, is a Canadian retail marketing services ... The operator must be able to set up and maintain all of the components. The operator must be in ...

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Showing results 1-20

All JobsB Operator JobsB Operator Jobs in Ontario

B Operator information

What is the difference between B Operator vs A Operator?

AspectB OperatorA Operator
Required CertificationsTypically requires a B Operator license or certificationUsually holds an A Operator license or higher
Work EnvironmentOperates machinery in manufacturing or processing plantsWorks in similar industrial settings, often with more complex equipment
Industry UsageCommon in manufacturing, chemical, and power plantsUsed in the same industries, often as a more advanced role

The main difference between a B Operator and an A Operator lies in certification levels and complexity of tasks. A Operators generally have higher qualifications and handle more complex operations, while B Operators perform essential functions with a focus on safety and efficiency. Both roles are vital in industrial settings, with B Operators often serving as a stepping stone to A Operator roles.

B Operator jobs near you
Infographic showing various B Operator job openings in Ontario as of August 2026, with employment types broken down into 44% Full Time, 53% Part Time, 2% Contract, and 1% Nights. Highlights an 99% Physical, and 1% Remote job distribution.

Refrigeration B Operator

Kitchener, ON • On-site

Enns Refrigeration
See more jobs at Enns Refrigerationexternal

CA$42/hr

Full-time

PTO

Re-posted 8 days ago

Job description

Enns Industrial Refrigeration is a family-owned and operated company specializing in industrial refrigeration systems. We are seeking an experienced Refrigeration B Operator or 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 will be responsible for the safe and efficient operation of the industrial ammonia refrigeration system. The position also includes routine maintenance and troubleshooting of refrigeration equipment.
Key Responsibilities
  • Safely and efficiently operate the facility’s ammonia refrigeration system.
  • Monitor refrigeration equipment, system pressures, temperatures and refrigerant levels.
  • Complete and maintain accurate operating, inspection and maintenance logs.
  • Perform routine preventative maintenance on refrigeration systems and related equipment.
  • Assist with troubleshooting and repairs as required.
  • Identify equipment concerns and communicate required repairs to the maintenance team.
  • Ensure compliance with applicable health and safety regulations, environmental standards and operating procedures.
  • Maintain a clean and safe work environment.
Qualifications
  • Valid Refrigeration “B” Operator or 4th Class Operating Engineer certificate in good standing with TSSA.
  • Previous experience operating industrial ammonia refrigeration systems.
  • Strong knowledge of industrial refrigeration equipment and operating procedures.
  • Mechanical aptitude and strong troubleshooting skills.
  • Ability to work effectively as part of a maintenance team.
  • Strong communication, organizational and record-keeping skills.
  • Valid driver’s licence.
What We Offer
  • Permanent, full-time employment.
  • Consistent Monday-to-Friday day shift.
  • Competitive hourly compensation.
  • Company benefits.
  • Paid vacation.
  • A stable position working alongside an experienced maintenance team.
  • The opportunity to work for a growing, family-owned and operated company.
At Enns Industrial Refrigeration, we value safety, workmanship, customer service and dedication. We are looking for a reliable operator who takes pride in their work and is committed to maintaining safe and dependable refrigeration operations.
Apply today to join the Enns Industrial Refrigeration team.

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