LM Mechanical Engineering Intern

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

The Mechanical Engineer intern will provide assistance on various projects for either the Project Engineering or Reliability Department and will become familiar with the refinery organization and work processes while learning refinery safe work practice.

The intern will work on various projects throughout the refinery under the direction of a more senior engineer.

This position is a paid 12-week summer internship.

A presentation covering all aspects of the internship experience and accomplishments will be expected at the end of the term.

Interns will be responsible for assisting with or performing engineering duties which may include: basic engineering research, supporting the development of various engineering packages, updating engineering records and various databases and provide technical assistance.

This position is located on-site in either Lemont, Illinois or Downers Grove, Illinois.

Pay Range: $26.16 - 34.85

Deadline to apply is September 30, 2026

Minimum Qualifications



* High School Diploma


* Must be enrolled in an accredited Electrical Engineering Bachelor Degree program
+ Must be at least a sophomore status in college (completion of freshman year)


* Must have overall GPA of 3.0 or above


* Availability to work forty (40) hours per week for full 12 week program


* Must have valid driver's license


* Candidate must posess strong analytical and communication skills and be able to work in a a team environment


* Transportation Worker Identification Creditential (TWIC) Eligibility
+ Eligibility Requirements: The Maritime Transportation Security Act requires all persons who will need unescorted access to a regulated facility to have a valid Transportation Worker Identification Credential (TWIC), issued in accordance with rules established by the United States Coast Guard and the Transportation Security Administration.

The following link lists the eligible criterial for all persons trying to obtain a TWIC card http://www.tsa.gov/assets/pdf/immigration_eligibility.pdf

Job Duties

Generate discipline-related work scopes and complete project documentation updates / review.

Familiarize with CITGO Engineering practices by editing the engineering training manual and apply as necessary t...