Chemist

Basic Function

HF Sinclair is seeking a Chemist to join the El Dorado Refiniery. The Chemist will con nducts non-routine to complex chemistry/laboratory assignments for assigned department under minimal supervision. May lead the work of others depending on location. Job Duties

Samples and conducts all levels of tests and trains others to perform standard tests on raw materials, intermediates, and finished products Ensures testing is carried out per established methods/procedures Ensures quality of work through quality assurance testing and documentation, and analysis   Records, reports, and certifies results Develops new methods/procedures Diagnoses laboratory equipment malfunctions, solving problems and fixing laboratory equipment and machinery Performs routine to complex and corrective maintenance and calibrations on laboratory equipment  Creates QA documents and protocols

Supports other departments in sampling, testing, and compliance monitoring Maintains lab supplies and equipment (orders supplies) Operates Chromatographs Ships samples designated as hazardous and verify hazardous samples are shipped in conformance with the CFR Monitors drinking water streams for compliance Checks emissions compliance (state certified) Works with outside testing laboratories to coordinate special requests and compliance testing Monitors process control of plant streams, purity of products and composition of fuel gases, liquefied petroleum products, and various levels of Hydrogen Analyzes data, document results and ensure laboratory data is maintained Provides support to operations with product blending

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

A minimum of a Bachelor’s Degree of Science in Chemistry or related field is required. Education Level

A minimum of a Bachelors Degree of Science in Chemistry or related field is required. Required Skills

Advanced knowledge of laboratory testing and ability to apply this knowledge. Working knowledge of petroleum products and testing. Ability to train and lead the work of others. Ability to perform advanced mathematical calculations, intermediate reading and writing skills, ability to effectively communicate with others, both written and verbal communication. Supervisory/Managerial Responsibility

May lead the work of others regularly. May be designated as relief lab supervisor if needed. Work Conditions

Office based with occasional refinery visits, and with up to 10% travel by land and air required. Petroleum refinery/industrial environment including but not limited to chemicals, pressure vessels, tanks, and rotating equipment. Subject to all weather, and varying road conditions. 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 standing, making visual precise hand and finger movement, making visual inspections, reaching or grasping, wearing personal protective equipment (beards not permitted). Job conditions may require walking, sitting, twisting, stooping, crouching, kneeling, talking or hearing, lifting and/or carrying up to 10lbs, pushing and/or pulling up to 10lbs, and perceiving color difference. Our One HF Sinclair Culture:

At HF Sinclair, we are united through