Mold Design Engineering Intern Summer 2026

Flex
Buffalo Grove, IL

Job Posting Start DateJob Posting End Date

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 dont 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 were looking to add a Mold Design Engineering Intern located in our Buffalo Grove IL site.

Reporting to the Design & 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 continuous improvement project(s)
  • Attend Design Status Customer/Internal Review and Continuous Improvement Meetings
  • Complete assigned work orders and provide 2D and 3D models
  • Learn fundamentals of plastic injection mold design
  • Update design guidelines and standards
  • Work with the Tool Shop to obtain hands-on manufacturing experience

Student qualities were seeking for this internship assignment:

  • Junior/Senior student pursuing Bachelors degree in Mechanical Engineering
  • Enthusiastic about working in a manufacturing environment and interest in plastic injection molding process
  • Highly collaborative creative and excellent communication skills
  • Solidworks CAD and troubleshooting knowledge highly desired
  • Previous internship experience a plus!

Internship Program Requirements:

  • Available to work 40 hours/week (in-person) for 10-12 week Summer assignment
  • Currently enrolled in 4-year accredited university
  • 3.0 minimum GPA
Pay Range (Applicable to Illinois)$16.98 USD - $23.35 USDHourly

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. Were happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email and well 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).

Required Experience:

Intern

Posted 2026-05-08

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