Automation/Controls Engineering Co-op

Job Posting Start Date 02-22-2026 Job Posting End Date 02-27-2026

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, this Summer, we're looking to add an Automation/Controls Engineering Co-Op located in our Libertyville, IL site.

Reporting to Process & Automation Engineering Team, the Intern will support PLC-based automation systems for molding, coiling and buffer integration while collaborating and working alongside Engineers and cross-functional teams.

What a typical day looks like:

• Assist with PLC testing and troubleshooting
• Support FAT/SAT preparation and execution
• Assist with sensor, actuator, and HMI troubleshooting
• Support automation documentation and architecture reviews
• Assist with buffer timing logic validation and system re-testing
• Attend team meetings to support project work as needed

Student qualities we're seeking for this internship assignment:

• Junior/Senior student pursuing Bachelors degree in Electrical Engineering, Mechatronics, or Automation Engineering major
• Basic PLC knowledge
• Understanding of industrial sensors, actuators, and HMIs
• Ability to read electrical schematics and understand control panels
• Basic knowledge of automation architecture and timing/sequence logic
• Understanding of FAT/SAT testing and system validation concepts
• Strong troubleshooting, documentation, and teamwork skills
• Previous manufacturing floor internship experience a plus!

Co-Op Program Requirements:

• Ability to work 40 hours/week (in person) during the co-op assignment
• Currently enrolled in 4-year accredited university
• 3.0 GPA

Pay Range (Applicable to Illinois)

$16.74 USD - $23.02 USD Hourly

Job Category
Intern

Relocation: Not eligible

Is Sponsorship Available?
No

Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at Flex, you must complete the application process first).