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HF Sinclair

Refinery Process Operator

Mississauga, ON, L5J 2Y3, Canada

Pay: The starting hourly rate for this role is $44.51 as per the CBA
Posting language: English
Posted: Sep 28, 2026

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Original job description

Basic Function

Petro-Canada Lubricants Inc. (PCLI), an HF Sinclair company, located in Mississauga, ON is seeking a permanent full-time Process Operator. Reporting to the Shift Supervisor, the Process Operator in the Production department is part of the Operations team that is responsible for the safe and reliable operation of the units and equipment within our facility.

Successful candidates will be eligible for our comprehensive total rewards package, including competitive pay, health and dental benefits, pension, savings programs, and paid vacation.

While this is a permanent position, applicants should be aware that refinery operations are planned to cease within the 2027 calendar year. As a result, employment in this role is anticipated to continue until the refinery closure, subject to business requirements. Employees hired into these roles will remain eligible for all programs and benefits available to permanent employees throughout their employment, per company policies and the Collective Bargaining Agreement.

Job Duties

Maintain effective communications (i.e. shift change, intra-shift team)
Draw samples as scheduled and test as required
Perform routine operating tasks (monitor levels, temperatures, pressures, etc.)
Transfer chemicals to addition tanks. Monitor and adjust injection rates
Report data to be logged to Board Operator
Monitor operating areas for abnormal conditions, (i.e. mechanical or process related)
Perform equipment care and maintenance as required
Perform routine running maintenance
Perform basic troubleshooting
Assist with major equipment switches
Perform housekeeping and operational maintenance as assigned by the Shift Team Lead
Perform maintenance activities as required
Train in all aspects of emergency responsiveness, including fire-fighting, and responding when necessary
Progress through the PBP Production Technician levels as per CBA
Attend/participate in shift team meetings
Maintain current knowledge of ongoing operational/equipment status, through effective shift change communications, shift logs, etc.
Add entries to outside shift log
Prepare and issue cold work permits as required (if qualified)
Update/review/validate procedures
Other duties as required

Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion

Experience

Completion of the required educational programs Chemical or Process Technology or Power Engineering
Previous experience in a manufacturing operations environment

Education Level

Chemical/Process Technology diploma or POwer Engineering program
Minimum Fourth-Class Stationary Engineering certification, with preference given to those with higher class certifications

Required Skills

Demonstrated safety-consciousness
Must have the physical capabilities to safely perform all essential aspects/responsibilities of an operator’s position, including effective emergency response
Demonstrated problem-solving/analytical skills
Must possess a valid Driver’s License
Must possess a positive attitude, be a self-starter with a willingness to become an integral part of a process Shift Team that functions in a dynamic environment
As a condition of continued employment, the successful applicant must progress through the PBP Technician levels as per the CBA
DZ class license is an asset

Work Conditions

Lubricants manufacturing requires a continuous operation of 24 hours/day, 7 days/week. Successful applicant will work a rotating 12-hour schedule and overtime, as required. Schedule composed of 2 day shifts (5:00 a.m. to 5:00 p.m.) followed by 2night shifts (5:00 p.m. to 5:00 a.m.) with four days off before next scheduled day shift
Location of the role is the Petro-Canada Lubricants Facility located at 385 Southdown Road, Mississauga
This is a safety sensitive position which would require a pre-placement drug and alcohol test, pre-placement medical assessment and a pre-placement physical skills assessment
Starting hourly rate for this role is: $44.51 and is eligible for overtime at double
Eligible for our comprehensive total rewards package, including competitive pay, health and dental benefits, pension, savings programs, and paid vacation
Our hiring process incorporates AI tools to assist with the recruitment process
This job posting is to fill an existing vacancy within our organization
The starting hourly rate for this role is $44.51 as per the CBA

Our One HF Sinclair Culture:

At HF Sinclair, we are united through our One HF Sinclair Culture, which is underpinned by our five core values of Safety, Integrity, Teamwork, Ownership and Inclusion. Developed to empower our people, our five core cultural values are at the heart of everything we do and extend to how we engage our stakeholders. These values influence our decisions, shape our behaviors and keep us connected across the entire organization. We maintain a true Safety culture for our employees, communities, environments and customers. Our goal is to make sure everyone returns home safely each day. We have a long-standing commitment to Integrity and ethical behavior and do what is right for our employees, investors, communities and the environment. We encourage employees to Step Up and Stand Out by championing a culture of Teamwork and Ownership. We foster a culture of Inclusion by encouraging diversity of experiences, viewpoints and backgrounds. What makes each of us different, together makes us stronger.

About HF Sinclair Corporation

HollyFrontier Corporation, headquartered in Dallas, Texas, is an independent petroleum refiner and marketer that produces high value light products such as gasoline, diesel fuel, jet fuel and other specialty products. HollyFrontier owns and operates refineries located in Kansas, Oklahoma, New Mexico and Utah and markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states. In addition, HollyFrontier produces base oils and other specialized lubricants in the U.S., Canada and the Netherlands, and exports products to more than 80 countries. HollyFrontier also owns a 57% limited partner interest and a non-economic general partner interest in Holly Energy Partners, L.P., a master limited partnership that provides petroleum product and crude oil transportation, terminalling, storage and throughput services to the petroleum industry, including HollyFrontier Corporation subsidiaries

Equal Opportunity Employer

HF Sinclair Corporation is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status or any other prohibited ground of discrimination.

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More about this job

Responsibilities

Operate and monitor refinery units and equipment, perform sampling and testing, transfer chemicals, adjust injection rates, and report operating data. Maintain equipment and work areas, communicate shift status, support emergency response, and follow operating procedures and safety requirements.

Requirements

Applicants need a Chemical or Process Technology diploma or Power Engineering education, along with at least a Fourth-Class Stationary Engineering certification; higher-class certifications are preferred. They must demonstrate safety awareness, physical capability for operator duties and emergency response, problem-solving skills, a valid driver's license, and willingness to progress through the required technician levels.

Skills

Safety Awareness
Process Operations
Equipment Monitoring
Sampling and Testing
Chemical Handling
Troubleshooting
Routine Maintenance
Problem-Solving
Analytical Skills
Emergency Response
Firefighting
Shift Handover Communication
Operational Recordkeeping
Procedure Review
Teamwork

Benefits

Health and Dental Benefits
Pension
Savings Programs
Paid Vacation

Visa sponsorship

Not detected in the job text

Keywords

Refinery Operations
Lubricants Manufacturing
Process Operator
Chemical Technology
Process Technology
Power Engineering
Fourth-Class Stationary Engineering Certification
Rotating 12-Hour Shifts
Shift Operations
Process Monitoring
Equipment Monitoring
Sampling and Testing
Chemical Transfer
Injection Rate Adjustment
Board Operator Reporting
Routine Maintenance
Equipment Troubleshooting
Emergency Response
Firefighting
Cold Work Permits
Operating Procedures
Shift Logs
Safety-Sensitive Position
Collective Bargaining Agreement
Driver's License

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