Mechanical Engineering Intern

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    CITGO

    CITGO is a refiner, transporter and marketer of transportation fuels, lubricants, petrochemicals and industrial products

    1,001-5,000 employeesFounded 1983Houston, TXOil and Gas
    Actively hiringPaidSummer 2027Oil and Gas
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    About the role#

    This is a 12-week paid summer internship for students pursuing a degree in Electrical Engineering. You will work within either the Project Engineering or Reliability Department to gain exposure to refinery operations and safety practices. You will report to a senior engineer and complete a final presentation on your projects and accomplishments.

    What you'll do#

    • Perform engineering research and provide technical assistance.
    • Support the development of engineering packages and generate discipline-related work scopes.
    • Update engineering records, databases, and project documentation.
    • Edit engineering training manuals.
    • Assist in creating and updating equipment reliability and integrity plans.
    • Review existing engineering documentation, including drawings and technical data.
    • Consult with Senior Project Engineers and Managers.
    • Conduct site visits to witness activities and perform project scoping and verification.

    What you'll need#

    • High School Diploma.
    • Enrollment in an accredited Electrical Engineering Bachelor Degree program with at least sophomore status.
    • Minimum overall GPA of 3.0.
    • Ability to work 40 hours per week for the full 12-week program.
    • Valid driver's license.
    • Strong analytical and communication skills with the ability to work in a team environment.
    • Eligibility for a Transportation Worker Identification Credential (TWIC).

    Location & details#

    • This is a full-time, on-site role based in Lemont, Illinois or Downers Grove, Illinois.
    • The internship term is Summer 2027.
    Relevant fieldsElectrical Engineering

    About CITGO

    CITGO Petroleum Corporation operates as an independent refiner in the United States. Founded in 1983, the company maintains headquarters in Houston, Texas. It manages three refineries alongside a network of terminals, pipelines, and blending plants. The organization employs over 5,000 people to produce and market fuels, lubricants, and petrochemicals.

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    How to get in at CITGO

    Applying to CITGO early provides a distinct advantage because recruiters review initial submissions before the candidate pool grows too large. Intern Insider sends an instant alert the moment a role matching your target is published, ensuring you can submit your materials among the first applicants. This proactive approach helps you stay ahead of the volume that typically follows a new job posting. You can also improve your response rates by reaching out to the recruiters behind these roles directly to ask about the position or a potential referral. Intern Insider surfaces the specific recruiters managing the hiring process at CITGO, allowing you to move beyond the standard application queue. Connecting with the right person often clarifies the expectations for the role and demonstrates your genuine interest in the company.

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