Monitoring and Optimization Engineer Intern HF Sinclair Corporation medical insurance, dental insurance, vision insurance, 401(k), retirement plan United States, Texas, Dallas Sep 15, 2026 Basic Function

Gain hands-on experience supporting Monitoring and Optimization (M&O) Engineers in refinery monitoring and optimization activities, including process performance analysis, digital tool application, and project work that helps advance the capabilities of the M&O Center. This role offers exposure to real-time operational support, data-driven problem solving, and cross-site collaboration within HF Sinclair operations.

Job Duties Coordinates project assignments with Monitoring and Optimization team May be required to do some or all of the following: Support daily monitoring activities, including alert screening, KPI review, process trend analysis, and reporting.

Assist M&O Engineers in identifying abnormal operating conditions and potential equipment or process performance issues.

Use analytical tools such as Seeq, PI Vision, DataPARC, and Power BI to evaluate refinery operating data.

Develop or improve monitoring strategies, calculations, dashboards, and visualizations for process units and equipment.

Review historical process upsets, equipment failures, and reliability events to identify new monitoring opportunities.

Assist with investigation of potential causes of process deviations, unit performance changes, or equipment concerns.

Collaborate with refinery site teams to understand process unit operations and support data-driven troubleshooting.

Document monitoring logic, project findings, analysis methods, and recommended actions.

Complete assigned intern project work focused on improving M&O Center capability, workflow efficiency, or site support.

Present project results, insights, and recommendations to M&O Engineers, leadership, or refinery stakeholders. Special assignments or tasks assigned to the employee by their manager, as determined from time to time in their sole and complete discretion

Experience

None

Education Level

Some completed courses needed for a Bachelor's Degree in Engineering are required.

Preferred Education Level:

completion of Junior level engineering courses is preferred.

Required Skills Basic knowledge of commonly used engineering concepts and ability to apply this knowledge analytically. Basic ability to stay abreast of new technology developments and processes is essential. Basic knowledge of Microsoft products. Work Conditions

Office based.

Benefits

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 visitTotal Rewards.

Physical Requirements

Job conditions require standing, walking, sitting, talking or hearing, making visual inspections, and making precise hand and finger movements.

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 lubricants and specialty products. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, 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 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.

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.