Flex
MoldingEngineeringIntern-Summer2026
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“Molding Engineering Intern - Summer 2026 at Flex. Skills: Molding Engineering, Plastic injection molding process. Assist Engineering Team with continuous improvement project(s). Support plastic injection mold design process”
Industry & Context.
Troubleshooting knowledge
What They're Looking For.
Must Have
Junior/Senior student pursuing Bachelors degree in Mechanical Engineering or related major, 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
Nice to Have
Solidworks CAD and troubleshooting knowledge highly desired, Prior internship experience with plastic injection molding process strongly preferred
What You'll Do.
Assist Engineering Team with continuous improvement project(s)
Support plastic injection mold design process
Complete assigned work orders and provide 2D and 3D models
Update design guidelines and standards
Update to documentation for Process Guides
CCL’s to stay compliant
How You'll Work.
Team & Collaboration
Collaborating and working alongside Engineers and cross-functional teams; Attend Design Status, Customer/Internal Review and Continuous Improvement Meetings
Communication Scope
Excellent communication skills
Full Job Description
Job Posting Start Date 05-15-2026 Job Posting End Date 05-19-2026 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 **Molding Engineering Intern** located in our **Buffalo Grove, IL** site. Reporting to the **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 continuous improvement project(s) * Attend Design Status, Customer/Internal Review and Continuous Improvement Meetings * Support plastic injection mold design process * Complete assigned work orders and provide 2D and 3D models * Update design guidelines and standards * Update to documentation for Process Guides, CCL’s to stay compliant **Student qualities we’re seeking for this internship assignment:** * Junior/Senior student pursuing Bachelors degree in Mechanical Engineering or related major * Enthusiastic about working in a manufacturing environment * Highly collaborative, creative and excellent communication skills * Solidworks CAD and troubleshooting knowledge highly desired * Prior internship experience with plastic injection molding process strongly preferred **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 -
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