Medical Injection Molding Co-Op

Job Posting Start Date 02-17-2026 Job Posting End Date 02-21-2026 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 a Medical Injection Molding Co-Op located in our Libertyville, IL site.

Reporting to Process Engineering Team, the Intern 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 medical injection molding tasks to include reviewing and communicating opportunities for process improvement and any process problems with peers, supervisors/leads, and/or manufacturing support
• Collaborate with Engineering Team with writing reports and reporting findings to team
• Learning new processes and evaluating results
• Attend team meetings and support project work as needed

Student qualities we’re seeking for this internship assignment:

• Graduate student pursuing Electrical & Computer Engineering degree (MS level)
• Understanding of an Injection Molding Process
• CAD tools (Solidworks, AutoCAD) experience
• Lean/Six Sigma helpful
• Proficient with Microsoft Office suite (Excel, Word, PowerPoint)
• Enthusiastic about working in a manufacturing environment
• Highly collaborative, creative and excellent communication skills
• Previous internship/co-op experience a plus!

Internship Program Requirements:

• Ability to work 40 hours/week for the duration of the assignment (in-person)
• Currently enrolled in accredited university
• 3.0 GPA min

Pay Range (Applicable to Illinois) $18.55 USD - $25.51 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 [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).