Title:  Customer Service Specialist IOU

Date:  Jul 31, 2026
Location: 

Tulsa, OK, US, 74127

BASIC FUNCTION:

Based on-site in Tulsa, Oklahoma, this position supports the IOU group as part of the Lubricants & Specialties division.

 

Reporting to the Team Lead Customer Service, the Customer Service Representative is accountable for order management and customer service excellence. They are responsible for customer communication from order to fulfillment while working with Sales and Global Supply Chain to fulfill customer orders. They are the primary point of contact for customers. The Customer Service role is progressive in nature where new employees will start learning more fundamental skills and eventually develop the more complex expertise required to offer a superior customer experience and personal development opportunities.

ESSENTIAL JOB DUTIES/RESPONSIBILITIES:

 

ESSENTIAL JOB DUTIES/RESPONSIBILITIES: 

 

  • Act as the primary point of contact, providing strong service for key accounts.
  • Receive, expedite and accurately process to completion all sales orders in SAP or internal web-based ordering system to meet customer expectations.
  • Work with customers, sales representatives, production and distribution to effectively fulfill customer requirements, including completion of all appropriate documentation
  • Run daily open order reports along with monthly billing due list processing to ensure we are capturing all pending orders and invoices
  • Resolve order and delivery problems, including return coordination on behalf of the customer in a professional and timely manner
  • Provide customers with technical information, technical data sheets, promotional materials and safety data sheets as necessary
  • Promote and enforce internal quality policies and procedures, including reporting of issues into our internal tracking systems.
  • Make appropriate packaging recommendations based on customer queries
  • Manage accounts with special requirements to ensure strong customer experience
  • Provide peer training and onboarding of new team members through shadowing and coaching
  • Provide training to external customers on our web-based ordering system.
  • Month end Reporting responsibilities for certain desks
  • Ensure compliance in our training documentation and programs.
  • Support IT enhancements and projects through user acceptance testing as required

 

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

REQUIRED EXPERIENCE:

  • 1-3 years of experience in a customer-facing role, account management, or project coordination. 

 

PREFERRED EXPERIENCE:

 

  • Experience in end-to-end order management role in a manufacturing business environment.

EDUCATION:

  • H.S. Diploma or equivalent. Post-secondary education preferred.  

 

REQUIRED SKILLS:

  • Fluent verbal and written English
  • Excellent time management and organizational skills to manage a workload in a fast paced, high-volume environment
  • Strong communication skills, both verbally (for over the phone communication) and written (for email communication)
  • Exceptionally strong customer service focus, with an ability to translate customer requests into actionable results
  • Ability to work independently and as part of a team, with a strong sense of urgency.
  • Adhere to process and strive for operational efficiency
  • Collaborate and solve problems effectively with external and internal partners
  • Process improvement mindset
  • Work well under pressure and in a fast-paced environment

 

PREFERRED SKILLS:

 

  • Knowledge of lubricant product applications is an asset

SUPERVISORY/MANAGERIAL RESPONSIBILITIES:

N/A

WORK CONDITIONS:

  • This is an office-based role

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, walking, sitting, twisting, stooping, crouching, kneeling, talking or hearing, making precise hand and finger movements, reaching or grasping. Job conditions may require making visual inspections, lifting and/or carrying up to 25lbs, pushing and/or pulling up to 25lbs, climbing up to 3ft, ability to operate and drive all assigned company vehicles at company standard insurance rates, with valid state driver’s license and proof of insurance, working in confined spaces, and perceiving color differences. 

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.

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