Job Posting Date:  Oct 27, 2026
Location: 

Houston, TX, US, 77077

Job Function:  Engineering

CITGO PETROLEUM CORPORATION

CITGO Petroleum Corporation is a recognized leader in the refining industry and operates under the well-known CITGO brand. CITGO owns and operates three refineries located in Lake Charles, LA.; Lemont, IL.; and Corpus Christi, TX, and wholly and/or jointly owns 43 active terminals, nine pipelines and three lubricants blending and packaging plants. With approximately 3,300 employees and a combined crude capacity of approximately 829,000 barrels-per-day (bpd), positions CITGO as one of the best-branded supplier companies in the industry.

 

At CITGO our people are our most important resource.  Our core values are Safety, Integrity, Respect, Accountability, and Care.

Job Summary

Uses refinery linear programming models and economic analysis to develop production plans, evaluate crude, feedstock, and product alternatives, and recommend actions that improve refinery profitability.

Minimum Qualifications

  • Bachelor's Degree in Chemical Engineering
  • 2 years of relevant refining experience in process engineering, planning, or economics.
  • Working knowledge of refinery process units, material balances, product specifications, and the operating constraints that affect production plans.
  • Strong spreadsheet and quantitative analysis skills; ability to organize assumptions, calculations, and results so that others can review and use the work.
  • Ability to communicate technical findings clearly and work with refinery, logistics, and commercial personnel to assess whether an economic recommendation is executable.
  • Proficiency with Microsoft Office, particularly Excel; ability to learn Aspen PIMS; strong mathematical skills; and ability to clearly explain economic incentives and trade-offs to support decisions
  • Direct refinery LP experience is preferred.
  • Python experience is a plus.

Job Duties

  • Run and analyze refinery LP cases for routine optimization and changing market or operating conditions. Review results, test alternatives, identify economic drivers and constraints, and develop recommendations for refinery operation and product mix.
  • Evaluate crude, feedstock, and product economics. Develop purchase or swap evaluations, breakeven values, cost-to-produce estimates, and blending or product-placement analyses to support timely decisions.
  • Support refinery and commercial decisions. Work with Operations, Engineering, Logistics, and commercial counterparts to validate assumptions, assess feasibility, and communicate economic recommendations and trade-offs.
  • Develop production plans and forecasts. Incorporate current prices, crude selections, operating limits, outages, and commercial commitments into planning cases. Prepare production, margin, and sensitivity outputs and explain material changes.
  • Maintain the quality and continuity of analytical work. Check inputs and outputs, document assumptions, archive issued cases, identify suspected model or data issues, and improve recurring analyses and reporting tools.
  • Perform other duties and responsibilities as assigned by the supervisor.
  • Job duties displayed above are not all-inclusive, site-specific responsibilities may be assigned.

Job Duties II

Job duties displayed above are not all-inclusive, site-specific responsibilities may be assigned. 

 

Here are the incentives we offer:

• Remote Work options available for eligible positions
• Options are department and/or location specific
• 9/80 Work Schedule Option (where applicable)
• Annual Vacation Incentive (40-120 hours of additional pay) for Eligible Employees
• Paid Vacation Time
• Company-Paid Holidays
• Caregiver Leave
• Excellent 401(k) Match
• Pension Plan

• Performance Incentive

• Company-Paid Sick Leave and Long-Term Disability
• Medical, Dental, & Vision Plans; FSA and HSA options
• Company-Paid Life Insurance for Active Employees
• Healthy Rewards Program
• Service Awards Program
• Educational Assistance Plan
• Dependent Children Scholarships
• Reimbursement for Gym Membership
• Employee Discount Programs
• On-site Health Clinic (select locations)
• On-site Cafeteria (select locations)
• On-site Credit Union and ATM (Corporate office only)
• On-site Fitness Center (select locations)


PLEASE NOTE ALL JOBS DO NOT QUALIFY FOR ALL PERKS

 

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or disability.

Requisition ID - 2259 


Nearest Major Market: Houston