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Chemist

HF Sinclair

Job Location:

El Dorado, KS - USA

Monthly Salary: Not provided by the employer

Posted: 11 July 2026 (30+ days ago)

Application Deadline: 24 October 2026

Vacancies: 1 Vacancy

Job Summary

Basic Function

HF Sinclair is seeking a Chemist to join the El Dorado Refiniery. The Chemist will connducts 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

May also perform other duties including:

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 timeto time in their sole and complete discretion.

Experience

A minimum of a Bachelors 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 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 visitTotal 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 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 1500 branded stations and licenses the use of the Sinclair brand at more than 300 additional locations throughout the 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.

Required Experience:

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About Company

HF Sinclair

An independent petroleum refiner in the United States with operations throughout the mid-continent, southwestern and Rocky Mountain regions. Subsidiaries of HollyFrontier produce and market gasoline, diesel, jet fuel, asphalt, heavy products and specialty lubricant products. Additiona ... View more

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