Process Control DCS Engineer

The Process Control Engineer provides technical support and leadership for the refinery’s Foxboro control systems and is a secondary supporter to the Honeywell Experion PKS systems. The role includes maintaining and improving regulatory and advanced control strategies, supporting system hardware and software reliability, and working with Operations and Engineering to ensure safe and efficient plant performance. The engineer will also drive optimization and margin improvement through the development of new control strategies and Advanced Control applications.

• Maintain and troubleshoot Foxboro, Honeywell TDC3000 and Experion PKS systems, including configuration, logic, graphics, and point databases.
• Monitor control system performance and diagnostics to ensure reliable operation.
• Monitor hardware health to ensure hardware is within expected lifecycle.
• Tune and optimize control loops.
• Provide support for PLC and SIS interfaces into the control systems.
• Support capital and maintenance projects involving control systems.
• Support Management of Change processes involving control systems.
• Prepare functional specifications and assist with testing, commissioning, and startup activities.
• Review contractor proposals and engineering documents for accuracy and compliance with standards.
• Perform control system hardware and software maintenance and upgrades.
• Maintain system backups, documentation, and cybersecurity‑aligned configurations.
• Support modernization projects, including system migrations and network upgrades.
• Provide daily support to Operations for troubleshooting control issues.
• Assist with alarm management improvements and graphics updates.

• A minimum of 3 years of experience in Process Control Engineering.

Preferred Expereince:

• Foxboro I/A control systems.
• Honeywell TDC3000 and Experion PKS systems.
• PCN/PCS infrastructure and cybersecurity requirements.
• Regulatory control tuning and APC implementation.
• Honeywell Alarm Management / Dynamo
• Tank Monitoring Systems such as Fuels Manager
• Refinery or petrochemical industry experience.

A minimum of a bachelor’s degree in engineering (Chemical, Electrical, Mechanical, or related field) or equivalent technical experience.

• Strong understanding of DCS and PLC concepts.
• Ability to manage and execute control system projects.
• Strong analytical and troubleshooting skills.

Preferred Skills:

• Working knowledge of Microsoft products and experience with engineering software is preferred.
• Fundamental knowledge of Advanced Process Controls.

May be responsible for supervising contractors depending on assignment. 

Office and plant based with up to 10% travel required.  Subject to varying weather conditions and required to work in all temperatures, including outdoors.

HF Sinclair offers a comprehensive benefits package designed to support the well-being of our employees and their families. Our benefits include, but are not limited to, the following:

• Medical Insurance
• Vision Insurance
• Dental Insurance
• Paid Time-Off
• 401(k) Retirement Plan with match
• Educational Reimbursement
• Parental Bonding Time
• Employee Discounts

We are committed to fostering a supportive and inclusive work environment, ensuring our employees have the resources needed to thrive professionally and personally. Benefit eligibility is governed by official plan documents, for more details visit Total Rewards.

Job conditions require standing, walking, sitting, talking or hearing, making visual inspections, making precise hand and finger movements, lifting or carrying up to 50 lbs, climbing up to 200 ft, perceive color differences,  required to wear personal protective equipment as needed and a respirator in emergency situations (beards are not permitted), ability to operate and drive all assigned company vehicles at company standard insurance rates is essential (inability to maintain standard insurance rates is grounds for dismissal), valid State drivers license and proof of insurance required. 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.

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.

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 lubricants and specialty products. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, New Mexico, Wyoming, Washington and Utah. HF Sinclair provides petroleum product and crude oil transportation, terminalling, storage and throughput services to our refineries and the petroleum industry. HF Sinclair markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacific Northwest and in other neighboring Plains states and supplies high-quality fuels to more than 1,750 branded stations and licenses the use of the Sinclair brand to more than 350 additional locations throughout the country. HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in New Mexico. 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.