Title: Control Systems Engineer
Date:
Apr 20, 2026
Location:
Mississauga, ON, CA, L5J 2Y3
Basic Function
Petro-Canada Lubricants Inc. (PCLI), and HF Sinclair company, located in Mississauga, ON, is seeking a Controls Systems Engineer to join the Technical Services & Automation Engineering group at the Lubricants plant. The Controls Systems Engineer will be responsible for supporting and managing process control and process information systems.
Job Duties
- Support process controls systems and process information systems such as plant safety, reliability, and profitability
- Monitor, troubleshoot, support, and improve process control systems, process information systems, hardware, software, and firmware, including network communications infrastructure in a cost effective manner
- Managing risk assessment, evaluation and implementation of OS and applications patching, disaster recovery, anti-virus protection, cyber security, systems integration, custom applications
- Work closely with Controls Engineers, Operations, Maintenance, local and head office IS groups including server, desktop, IS security, network, counterparts at other sites and vendors
- Project management of process control, process information system projects, enhancements, and initiatives
- Collaboration with other sites and head office to evaluate and ensure that systems meet company standards and industry best practices
- Utilize good technical judgment, systems knowledge, industry best practices and PCLI standards to recommend solutions to existing issues and new requirements of the system
- Work with cross functional team involving operations, maintenance, and contractors to troubleshoot, recommend, and implement solutions
Special assignments or tasks assigned to the employee by their supervisor, as determined from time to time in their sole and complete discretion
Experience
- A minimum of 3 years of relevant work experience
- Eligible for or Licensed Professional Engineer in good standing or eligible for license in Ontario
Education Level
- Engineering Degree in Instrumentation and Controls, Chemical Engineering or Electrical Engineering
Required Skills
- Strong knowledge of distributed control systems, programmable logic controllers, system hardware and software, control strategies
- Working knowledge of Intel based servers, workstations, Windows OS, network communications switches and firewalls, anti-virus protection, disaster recovery, cyber security
- Excellent prioritization and time management skills
- Strong interpersonal and communication skills, both written and oral
- Continuous improvement, safety mindset
- Proactive, self-motivated, and results focused
- Hold a valid Ontario driver’s license or eligible for licensing
PREFERRED SKILLS:
- Working knowledge of Honeywell Experion, C300, Allen-Bradley PLC, safety instrumented systems, lab information systems, plant historian databases, citrix/terminal servers, virtual machines
- Working knowledge of databases
- Secure wireless systems
- Project management skills
- Basic programming experience
Work Conditions
- Work is mainly in the office located in Mississauga, including working in a plant environment, processing units that require appropriate PPE, and control rooms during support, troubleshooting, construction or commissioning of projects. Emergency afterhours support as required. Office and plant environment
Physical Requirements
Job conditions require standing, walking, sitting, talking or hearing, making visual inspections, making precise hand and finger movements, climbing up to 200 ft, perceive color differences, required to wear personal protective equipment as needed and a respirator in emergency situations, ability to operate and drive all assigned company vehicles at company standard insurance rates is essential, valid drivers license and a clean driving record. Depending on location must satisfactorily complete a comprehensive medical physical examination. Job conditions may require twisting, stooping, crouching, kneeling, reaching or grasping, and working in confined spaces as permitted.
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
HF Sinclair Corporation, headquartered in Dallas, Texas, is an independent energy company that produces and markets high-value light products such as gasoline, diesel fuel, jet fuel, renewable diesel and other specialty products. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, New Mexico, Wyoming, Washington 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. HF Sinclair supplies high-quality fuels to more than 1,500 branded stations and licenses the use of the Sinclair brand at more than 300 additional locations throughout the country. In addition, subsidiaries of HF Sinclair produce and market base oils and other specialized lubricants in the U.S., Canada and the Netherlands, and export products to more than 80 countries. Through its subsidiaries, HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in Artesia, New Mexico. HF Sinclair provides petroleum product and crude oil transportation, terminalling, storage and throughput services to its refineries and the petroleum industry.
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.