Compounding Supervisor

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.

• 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.

• 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

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.

• 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.

Direct supervision of bargaining unit operations employees.

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.

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.

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…