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, we’re looking to add a Mechanical Engineering Co-Op located in our Libertyville, IL site.

Reporting to the Senior Process Engineering Manager, the student will assist with daily engineering tasks while learning, collaborating and working alongside Engineers and cross-functional teams.

What a typical day looks like:

• Assist Engineering Team with time studies, reviewing documentation, drawings and CAD
• Assist in writing working instructions, check list and other documents related to manufacturing equipment
• Help research and recommend support equipment required for continuous production
• Help design and monitor Engineering DOE (Design Of Experiment) projects
• Collaborate with Engineering Team with writing reports and reporting findings to team
• Attend team meetings and support project work as needed

Student qualities we’re seeking for this Co-Op assignment:

• Current BS/MS student pursuing Mechanical Engineering major
• 2D and 3D CAD tools (AutoCAD, Inventor or Solidworks) experience
• Lean/Six Sigma helpful
• Enthusiastic about working in a manufacturing environment
• Highly collaborative, creative and excellent communication skills
• Previous co-op/internship experience a plus!

Co-Op Program Requirements:

• Available to work 40 hours/week (in-person) for the Spring 2027 co-op assignment
• Currently enrolled in 4-year accredited university
• 3.0 minimum GPA

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

Job Posting Start Date 09-18-2026 Job Posting End Date

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

Pay Range $27.50 - $44.50 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 [email protected] 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).