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HF Sinclair Logo HF Sinclair · IT - Administration

Engineer III E and I

United States, Tulsa · Job Posted June 29, 2026
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Job Description

Conducts engineering duties for an assigned Engineering discipline and functions as a technical specialist, formulating and developing advanced engineering concepts.

Job Responsibility

  • Provides discipline specific engineering assistance, direction and development assistance to colleagues
  • Solves technical problems related to projects and troubleshoots and updates report data for business unit(s)
  • Upgrades, designs, configures, maintains and monitors related equipment and performance
  • Analyzes related components and systems, processes and methods, and refinery processes and economics
  • Develops project scopes, budgets and AFEs for approval and ensures projects meet budget as well as refinery and OSHA standards
  • Ensures the maintenance and integrity of business unit(s) data
  • Optimizes business unit(s) and analyzes data to aid operations with decisions
  • Researches and stays abreast of assigned discipline subjects, innovations and leading edge developments
  • Develops systems to document and track the testing and assist in the maintenance of the various systems
  • Coordinate, facilitate and document Process Hazard Analysis (PHA), and participate in and facilitate incident investigations
  • Provide training on PHA and Incident Investigation facilitation and general training on Management Of Change (MOC), incident investigations, PHAs and Pre-start up Safety Reviews (PSSR)
  • Participate in, facilitate and support Process Safety related audits and Layers Of Protection Analysis (LOPA) reviews and assist in Process Safety action items solution development
  • Update the Refinery Risk Management Program (RMP) as needed
  • Design plant equipment and devise processes for manufacturing chemicals and products
  • Conduct research to develop new and improved product manufacturing processes
  • Design and plan layout for product processes on a commercial scale
  • Determine most effective arrangement of operations
  • Implement processing methods and controls to meet quality standards in the most cost efficient manner
  • Investigate and resolve work-in-process problems
  • Recommend and implement improvements and/or modification in sequence of operations, equipment utilization, and related matters
  • Review proposals of outside vendors regarding the purchase of new or modernization of existing processing equipment
  • Assist with clean fuel projects
  • Improve profitability of the refinery
  • Design and build plant additions and modifications
  • Act as a liaison between the company and county and state and/or other agencies

Requirements

  • Minimum of five years of progressive work experience in a specific engineering discipline
  • Bachelor's Degree in an Engineering discipline
  • Ability to manage a project
  • Working knowledge of commonly used engineering concepts
  • Ability to stay abreast of new technology developments
  • Ability to communicate effectively with others, strong verbal communication skills, advanced level of reading and writing, ability to perform advanced mathematical calculations
  • Advanced ability to work effectively with multiple groups throughout the refinery
  • Strong spreadsheet and word processing applications knowledge
  • strong interpersonal, time-management and organizational skills
  • ability to provide training to multiple groups on a variety of applicable assigned discipline topics
  • Valid state drivers license and proof of insurance
  • Professional Engineer registration is preferred
  • Refinery or petrochemical industry experience preferred
  • Some or all of FCC, CCR, Alky, Sulfur unit, Delayed Coking, Lubes Processing and hydrotreating experience is preferred
  • Working knowledge of and experience with engineering software is preferred

Nice to have

  • Professional Engineer registration is preferred
  • Refinery or petrochemical industry experience preferred
  • Some or all of FCC, CCR, Alky, Sulfur unit, Delayed Coking, Lubes Processing and hydrotreating experience is preferred
  • Working knowledge of and experience with engineering software is preferred

What we offer

  • Medical Insurance
  • Vision Insurance
  • Dental Insurance
  • Paid Time-Off
  • 401(k) Retirement Plan with match
  • Educational Reimbursement
  • Parental Bonding Time
  • Employee Discounts
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