Refrigeration Operator Class B

Job summary

Operate, monitor, inspect, and maintain industrial ammonia refrigeration equipment, including performing basic maintenance and responding to alarms or emergencies. Keep accurate operating records, follow TSSA and plant safety requirements, and support licensed personnel and contractors during maintenance and repairs.

Job details

Title: Refrigeration Operator Location: North York, ON Status: Full-Time Permanent Responsibilities Monitor, operate, and maintain industrial ammonia refrigeration equipment (compressors, condensers, evaporators, control systems). Conduct routine system inspections, log readings, and ensure compliance with TSSA and regulatory requirements. Identify abnormal operating conditions and take corrective action to maintain safe, efficient performance. Assist with scheduled maintenance, shutdowns, and start-ups under licensed mechanical personnel. Perform basic maintenance (oil changes, filter replacements, leak checks). Respond to alarms and emergency conditions following SOPs and safety procedures. Maintain accurate operation logs, reports, and documentation. Support external contractors or refrigeration mechanics during repairs or major maintenance. Ensure safe handling of ammonia and adherence to plant safety protocols, PPE requirements, and emergency procedures. Perform other operator-related duties as assigned. Must-Have Qualifications Valid Class B Refrigeration Operator License. Minimum 3 years of experience with ammonia refrigeration systems in an industrial setting. Strong understanding of TSSA regulations, ammonia safety, and industrial plant operation practices. Ability to perform routine system checks, interpret gauges, and detect abnormal operating conditions. Mechanical aptitude with compressors, pumps, valves, and industrial controls. Strong problem-solving skills and attention to detail. Ability to work independently and make decisions in a fast-paced environment. Solid written and verbal communication skills. Computer literacy for logging, reporting, and monitoring systems.

What you’ll do

Operate, monitor, inspect, and maintain industrial ammonia refrigeration equipment, including performing basic maintenance and responding to alarms or emergencies. Keep accurate operating records, follow TSSA and plant safety requirements, and support licensed personnel and contractors during maintenance and repairs.

Requirements

Requires a valid Class B Refrigeration Operator License and at least three years of industrial ammonia refrigeration experience. Candidates must understand TSSA regulations and ammonia safety, have mechanical aptitude and troubleshooting skills, and be able to work independently while maintaining accurate records.

Listed skills

• Preventive Maintenance · Preferred
• Troubleshooting · Preferred
• Problem solving · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• Ammonia Refrigeration Systems
• Industrial Equipment Operation
• Routine System Inspections
• TSSA Regulatory Compliance
• Ammonia Safety
• Abnormal Condition Detection
• Preventive Maintenance
• Compressors, Pumps, and Valves
• Industrial Controls
• Troubleshooting
• Emergency Response
• Operation Logging and Reporting
• Contractor Coordination
• Problem-Solving
• Written and Verbal Communication
• Computer Literacy

Job areas

• Trades
• Manufacturing
• Engineering
• Security & Safety

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