Job Description

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 38 active terminals, six pipelines and three lubricants blending and packaging plants. With approximately 3,300 employees and a combined crude capacity of approximately 807,000 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

The Buyer Intern is on-site located in Downers Grove, IL at the CITGO Refinery Support Center. Intern is expected to work between 20-28 hours per week, Monday - Friday during business hours (7:00AM - 5:00 PM). Intern may work 40 hours over summer/winter break(s). 

This position provides procurement support in accordance with company procedures and strategic goals while under the direct supervisor’s guidance. Assists or performs the following duties: places purchase orders; selects and negotiates with approved vendors and evaluates vendor reliability; obtains materials from suppliers at the lowest cost, with consideration to quality, reliability and urgency of need; schedules deliveries and follows up on orders to expedite delivery and shipment; obtains certifications of delivery and approves payment invoices for orders placed. Maintains records and files as needed. Performs basic analytical tasks and industry research.

Compensation is based on the number of completed credit hours and ranges from $19.96 to $29.94 per hour.

Application deadline is 9/30/2025.

Minimum Qualifications

• College Sophomore, Junior, Senior, or Graduate level studying Supply Chain Management, Business, Accounting,Finance, Economics, Marketing or related diciplines.
• Overall GPA of 3.0 (Must provide proof of current GPA at time of hire to verify eligibility requirements are met)
• Working knowledge of computer software such as Microsoft Word, Excel, and PowerPoint
• Ability to maintain confidentiality and professional demeanor.
• Incumbents will be required to communicate effectively with all levels.
• Authority to transact to implement strategy will be dependent on level of experience and demonstrated results.
• Must be able to work in a team environment and possess excellent customer service skills.
• Valid drivers' license.
• Ability to obtain a Transportation Worker's Identification Credential (TWIC).

Job Duties

1. . Source and create purchase orders for items in accordance with established company policies and procedures. Purchase Orders to be reviewed and released by Purchasing Agents

2. Assist Purchasing Agents in the bid and evaluation process

3. Serve as liaison between Procurement and Accounting resolving invoice issues

4. Sit in as observer on negotiations with suppliers conducted by Purchasing Agents

5. Provide files for proper electronic filing of contract and maintain files for bids as required for audit purposes as well as historical activity.

6. Assist Purchasing Agents by reviewing terms, conditions and pricing.

7. Perform routine and repetitive duties independently and according to the established procedures and practices.

8. Performs more complex assignments with direct guidance from supervision

Other

Application deadline is 9/30/2025 at 11:59 PM.

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
• 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 - 1582 

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