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Title:  Laboratory Technician

Date:  Feb 24, 2026
Location: 

Tulsa, OK, US, 74107

Basic Function

HF Sinclair Tulsa Refining LLC is seeking a Laboratory Technician who, under minimal supervision, is responsible for conducting physical and chemical testing on crude oil, refinery process streams, and finished fuels products and/or finished lubes and wax plant products as well as the associated quality control samples. This position is accountable for the certification of finished products in accordance with ASTM and ISO specifications and requirements.

Job Duties

• Routinely conduct product specification and quality control testing in an accurate and timely manner, and ensure results are correct and sensible when reported.

• Work with testing instruments, learn and understand their use and how to properly care for, troubleshoot, and maintain instruments for data reliability.

• Execute the requirements of our Quality system, maintaining documentation for traceability.

• Read, learn, and understand our policies, procedures, and ASTM testing methods.

• View, learn, and understand computer-based training, SQC practices, and LIMS operation.

• Keep the lab clean, stocked, and organized, while adhering to and completing assigned duties related to Health, Safety and Environmental requirements. This includes making chemical solutions, cleaning and preparing equipment, blending and retaining samples, and properly disposing of samples and materials.

• Perform any special duties or tasks assigned to the employee by their supervisor or lab director as determined from time-to-time and in their sole discretion.

• Exercise Ownership, Teamwork, and Inclusion to work well with others, especially when unscheduled workload or laboratory workload shifts due to refinery needs.

• Complete and maintain all required ongoing training for Safety and Integrity while maintaining a safe workplace by stopping and reporting any health, safety, or environmental issues.

• Properly wear the required PPE in designated areas, and hold coworkers accountable for their safety, adhering to company policies for the workplace.

Experience

A minimum of three years’ laboratory, refinery or industry experience is required.

Education Level

A minimum of a High School Diploma or equivalent is required. 

 

Preferred Education:

An associates or bachelor's degree in chemistry, biology or related science field is preferred. 

Required Skills

Intermediate level algebra and proficiency with spreadsheet and word-processing software applications. Good mechanical ability and understanding of operational principles of assigned area’s laboratory testing instruments.  Ability to effectively communicate with others, both written and verbal communication. Ability to complete all required classroom and CBT training. Ability to achieve high proficiency scores. May require good supervisory skills depending on location. Basic reading and writing skills, and ability to perform basic mathematical calculations.

We value safe work practices, reliability and thoroughness, continuous learning, and good judgment and communication skills with the ability to read and write documents, to perform calculations and evaluate data, and to use various software for instrumentation, documentation and traceability of quality data on our streams and products.

Supervisory/Managerial Responsibility

None.

Work Conditions

The laboratory technician is primarily lab based with a minor amount of outdoor work required. 

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

This work is in a petroleum refinery setting Job conditions include wearing proper PPE while constantly standing, walking, sitting, stooping, bending, crouching, talking, hearing, making visual inspections and color determinations, making precise hand and finger movements while reaching or grasping, safely lifting and/or carrying up to 50lbs, safely pushing and/or pulling up to 50lbs, and the ability to safely move heavier items using appropriate equipment or team assistance. This work requires eye/hand dexterity, the ability to use a computer, ability to read, understand and apply operating procedures to perform job duties, ability to make quick decisions in a high-pressure environment along with mental capacity to make quick and accurate decisions. Ability to self-evacuate in case of emergency outside facility parameter.  Safely operating company vehicles with a valid driver’s license.

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: Tulsa
Nearest Secondary Market: Oklahoma

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