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Title:  Compounding Supervisor

Date:  Mar 2, 2026
Location: 

Petrolia, PA, US, 16050

BASIC FUNCTION:

Sonneborn, an HF Sinclair company, is seeking a Compounding Supervisor for their Petrolia, Pennsylvania facility. The Compounding Supervisor oversees daily operations in Compounding, Pet/Wax, White Oil and Sulfonate production areas.  This role is accountable for ensuring safe, reliable and efficient processes while meeting production goals for both quality and quantity. The position operates with minimal direct supervision and is responsible for maintaining consistent workflow and operational performance.

ESSENTIAL JOB DUTIES/RESPONSIBILITIES: (functions considered essential as defined by ADA)

  • Carry out daily operations and assignments under the direction of the Department Superintendent.
  • Follow through on tasks and provide proactive updates regarding any issues that may impact production or safety.
  • Ensure employees are properly trained in job duties, company work rules, operating procedures, and performance expectations.
  • Lead, support, and sustain team processes focused on safety, health, environmental compliance, product quality, cost effectiveness, and adherence to company policies and procedures.
  • Investigate, resolve, and/or coordinate resources to address issues related to safety, health and environmental performance, product quality, efficiency, and labor relations.
  • Ensure production schedules are executed accurately and on time in alignment with the established manufacturing plan.
  • Promote and maintain good housekeeping practices, proper equipment care, and secure, well-maintained facilities within all assigned areas.
  • Complete and submit all required departmental reports and documentation accurately and on schedule.
  • Communicate company updates, policies, and other relevant information to employees within the work group.

 

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

EXPERIENCE:

  • 3+ years in a refinery/petrochemical or 5+ years in other industrial site
  • Experience in a Union facility
  • Demonstrated experience in management and knowledge of high performance work teams

EDUCATIONAL LEVEL:

A minimum of a Post Secondary Education, Associate's Degree or Technical Degree/Certification.

A Bachelor’s Degree in a related science or business discipline is preferred.

SKILLS:

  • Prior supervisory or lead experience in manufacturing or chemical processing preferred.
  • Strong understanding of safety practices, production processes, and quality standards.
  • Ability to communicate effectively and work independently with minimal supervision.
  • Demonstrated ability to lead teams and coordinate across departments.
  • Problem‑solving skills with the ability to respond quickly to operational issues.
  • Working knowledge of SAP preferred.

SUPERVISORY/MANAGERIAL RESPONSIBILITIES:

Direct supervision of bargaining unit operations employees.

WORK CONDITIONS:

Petroleum refinery and driver based environment including but not limited to chemical, pressure vessels, tanks, rotating equipment, working in confined spaces, and exposure to risk of electrical shock. Subject to all weather and varying road conditions. Occasionally required to work long hours which may include nights, weekends, holidays for regularly scheduled maintenance and emergency work and support as well as on-call availability.

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.

PHYSICAL REQUIREMENTS:

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). 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.


Nearest Major Market: Pittsburgh

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