BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Chemist Intern to join our team. This position will support the Manufacturing Technology Department by conducting routine chemistry/laboratory assignments for the d...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Environmental Intern to join our team. This position will support the Environmental Department by assisting staff with a variety of environmental projects, tasks, a...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Environmental Intern to join our team. This position will support the Environmental Department by assisting staff with a variety of environmental projects, tasks, a...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Chemist Intern to join our team. This position will support the Manufacturing Technology Department by conducting routine chemistry/laboratory assignments for the d...
PURPOSE: This position performs general maintenance activities within the plant which do not require craft skills. The position also provides feeder labor to operating, laboratory and packaging/shipping operations within the plant on an a...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Safety Intern to join our Petrolia, Pennsylvania team. The Safety Intern supports the site's Safety team by assisting with the organization, maintenance, and accura...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Engineering Intern to join our Petrolia, Pennsylvania team. The Engineering Intern supports the site's Maintenance team by assisting with the maintenance, performan...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Safety Intern to join our Petrolia, Pennsylvania team. The Safety Intern supports the site’s Safety team by assisting with the organization, maintenance, and accura...
BASIC FUNCTION: Sonneborn, an HF Sinclair company, is seeking a motivated Engineering Intern to join our Petrolia, Pennsylvania team. The Engineering Intern supports the site’s Maintenance team by assisting with the maintenance, performan...
BASIC FUNCTION: The HF Sinclair Petrolia, Pennsylvania facility is looking for a Maintenance Supervisor. The successful candidate will manage and direct all maintenance work execution at the Petrolia plant to ensure field activities proce...