Cybersecurity Intern

Basic Function HF Sinclair is seeking a Cybersecurity Intern for Summer 2027 located in Dallas, TX. This intern will gain hands‑on experience in Security Operations, Governance Risk & Compliance (GRC), and Project Management, implementing and managing the capabilities that help ensure the secure and resilient operations of HF Sinclair. Job Duties Assist the Cyber GRC team in policy and document management, including the revision and creation. Support of the Third-Party Cyber Risk Management Program (TPCRM), including vendor assessments and monitoring activities. Aid in documenting cyber maturity assessments, providing input to the enterprise cyber strategy. Assist in monitoring security alerts from SIEM and other Cybersecurity tools, learning to spot common threats and aid initial event and incident response under guidance. Assist in monitoring security alerts with SIEM tools, learning to spot common threats and aid initial incident response under guidance. Assist in phishing response efforts by reviewing reported suspicious emails, documenting indicators, and supporting basic mitigation under supervision. Assist the Cybersecurity Project Manager in collecting and reporting on project status. Participate in special security assignments or projects as assigned by your supervisor. Special assignments or tasks assigned to the employee by their superior, as determined from time to time in their sole and complete discretion.

EXPERIENCE

No prior experience required; exposure to AI, analytics, or programming is a plus. Education Level Currently enrolled in an Undergraduate Program for Computer Science, Information Systems, Cybersecurity or related discipline is required.

REQUIRED SKILLS

Proficient in M365 Suite of Tools Strong organizational, problem solving and analytical skills Strong interest in technology and cybersecurity Effective communication skills written and verbal Ability to work independently and as part of a team 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 visit Total Rewards .

PHYSICAL REQUIREMENTS

Job conditions require sitting, twisting, stooping, crouching, kneeling, talking or hearing, lifting and/or carrying up to 5lbs, pushing or pulling up to 5 lbs, climbing up to 2ft, making visual inspections, making precise hand and finger movements, reaching or grasping, perceiving color differences. Job conditions may require standing and walking. 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, 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. 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. #J-18808-Ljbffr HF Sinclair