Paid Summer Mechanical Engineering Intern – Project & Reliability

CITGO Petroleum Corporation; Lemont (IL); On-site; USD 36,000 - 48,000; Full time

Benefits offered by this job

Remote work options

9/80 schedule

Paid vacation time

401(k) match

Pension plan

Health insurance

Job summary

CITGO Petroleum Corporation invites students to join a 12-week Mechanical Engineer internship at either Lemont, IL or Downers Grove, IL. You will assist senior engineers, perform basic research, and update engineering records while learning refinery safety practices.

The paid internship requires enrollment in an Electrical Engineering program, sophomore status, a 3.0+ GPA, and 40-hour weeks. Deadline to apply is September 30, 2026.

Qualifications

• Must be enrolled in an accredited Electrical Engineering bachelor’s degree program.
• At least sophomore status (completion of first year).
• GPA of 3.0 or above.
• Availability to work forty (40) hours per week for full 12 week program.
• Must have a valid driver's license.
• TWIC eligibility required by Maritime Transportation Security Act.

Responsibilities

• Generate discipline-related work scopes and update project documentation.
• Support development of engineering packages and update records.
• Assist with equipment reliability and integrity plans; review drawings and data.
• Complete end-of-internship summary and presentation.

Skills

Analytical skills

Communication skills

Teamwork

Education

Electrical Engineering Bachelor's Degree program

Sophomore status

GPA 3.0 or higher

Job description

CITGO Petroleum Corporation invites students to join a 12-week Mechanical Engineer internship at either Lemont, IL or Downers Grove, IL. You will assist senior engineers, perform basic research, and update engineering records while learning refinery safety practices.

The paid internship requires enrollment in an Electrical Engineering program, sophomore status, a 3.0+ GPA, and 40-hour weeks. Deadline to apply is September 30, 2026.