Title:  Warehouse Supervisor

Date:  Sep 14, 2026
Location: 

Casper, WY, US, 82604

Basic Function

HF Sinclair’s Casper Wyoming Refinery and the Cheyenne Renewable Diesel Unit (RDU) facility is seeking a Site Warehouse Supervisor to supervise the warehouse and inventory management functions and personnel. Ensure warehouse/materials management provides greatest overall benefit to company; ensure shipping, receiving, storage and distribution are performed in an efficient manner and according to company policies and procedures; ensure goods are available when and where needed in the required quantity, quality and price.

 

Job Duties

  • Oversees warehouse and inventory management activities at two locations (Casper & Cheyenne WY), and ensures assigned jobs are completed according to policies and procedures, safely and effectively.
  • Identifies and implements inventory management and warehousing best practices.
  • Oversees and coordinates inventory of materials and parts to maintain required supply, including evaluating inventory levels and auto-reorder system procedures.
  • Utilizes maintenance schedule to coordinate warehouseman kitting, staging and other materials management activity.
  • Travel 50% as required between two geographically dispersed locations.  
  • Understanding of Labor relations. Experience with labor unions is preferable.
  • Responsible for training warehouse employees in workplace safety practices, correct handling of equipment, and inventory management system, and completes employee evaluations on performance.
  • Oversees plant workflow for inventory set up, including new parts numbers, stock records, bin locations, order quantities and parts association.
  • Expedites upcoming and overdue warehouse material purchase.
  • Performs procurement function for warehouse inventory and low value expensed parts as assigned, including conducting RFQs for warehouse-inventoried materials.
  • Takes precautions to protect warehouse contents, equipment, building and tools against loss.
  • Retains and reviews warehouse documents and reports.
  • Manages the plants surplus and scrap material processes according to policies and procedures. May include managing third party auction providers and scrap metal buyers.
  • Ensures that inventory cycle counts are conducted according to policies and procedures, that segregation of duties is maintained and approves final count results.
  • Tracks and reports warehouseman regular, call-out and overtime hours, conducts call outs as needed.
  • Coordinates storage for Engineering, Maintenance, Turn-around and capital materials.
  • Reviews receipt and Purchase Order documents to facilitate invoice payment.
  • Supports system enhancements or changes, and ensures warehousing information systems and hardware are properly utilized.
  • Supports internal audit activity, including yearly material and supply count verifications.
  • May be required to prepare and manage warehouse budget.
  • May create, revise or implement warehouseman personnel/craft qualification criteria.
  • Create and maintain a well-organized and professional looking work area.
  • Other duties as assigned by supervisor.

 

Experience

A minimum of five years of on-the-job experience is required.

 

Education Level

A minimum of a Bachelor’s Degree in related field, or an equivalent combination of education and work experience, is required.

 

Required Skills

Previous supervisory experience, knowledge of material handling equipment. Transportation management, computerized inventory control preferably SAP and distribution/warehouse operations. Advanced leadership, interpersonal, organization and ability to effectively communicate with others, both written and verbal communication. Ability to handle special projects while performing regular job duties. Proficient in Microsoft Office Suite. Basic reading and writing skills, and with the ability to perform basic mathematical calculations.

 

Supervisory/Managerial Responsibility

Responsible for the supervision of up to Five employees, may include both staff and contractors.

 

Work Conditions

Job conditions require standing, walking, sitting, twisting, stooping, crouching, kneeling, talking or hearing, making visual inspections, making precise hand and finger movements, reaching or grasping, lifting and/or carrying up to 50lbs, pushing and/or pulling up to 50lbs, climbing up to 20ft, ability to operate and drive all assigned company vehicles at company standard insurance rates is essential, valid State driver’s license and proof of insurance required, perceiving color differences, and ability to wear personal protective equipment. 

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 visual inspections, making precise hand and finger movements, reaching or grasping, lifting and/or carrying up to 50lbs, pushing and/or pulling up to 50lbs, climbing up to 20ft, ability to operate and drive all assigned company vehicles at company standard insurance rates is essential, valid State driver’s license and proof of insurance required, perceiving color differences, and ability to wear personal protective equipment. 

 

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 lubricants and specialty products. HF Sinclair owns and operates refineries located in Kansas, Oklahoma, New Mexico, Wyoming, Washington and Utah. HF Sinclair provides petroleum product and crude oil transportation, terminalling, storage and throughput services to our refineries and the petroleum industry. HF Sinclair markets its refined products principally in the Southwest U.S., the Rocky Mountains extending into the Pacic Northwest and in other neighboring Plains states and supplies high quality fuels to more than 1,750 branded stations and licenses the use of the Sinclair brand to more than 350 additional locations throughout the country. HF Sinclair produces renewable diesel at two of its facilities in Wyoming and also at its facility in New Mexico. 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.

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: Wyoming
Nearest Secondary Market: Casper