3 process engineering intern jobs found in Libertyville, IL

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 a Mechanical Design/CAD Engineering Co-Op located in our Libertyville, IL site. Reporting to Process & Automation Engineering Team, the Intern will support mechanical design, equipment layouts, and tooling integration activities while collaborating and working alongside Engineers and cross-functional teams. What a typical day looks...

Company: Mitsubishi Chemical Advanced Materials Inc. Job Description: Build the Future of Manufacturing Are you an early-career engineer who enjoys solving problems, improving processes, and working hands-on in a manufacturing environment? We are seeking a Manufacturing Engineer I to support automation, process improvement, and production efficiency initiatives at our Libertyville facility. This is an excellent opportunity to gain exposure to automation, mechanical design, supplier collaboration, and continuous improvement while making a measurable impact on operations. What You'll Do Support daily production operations and troubleshoot process challenges Assist with automation design, development, and implementation Develop and refine manufacturing processes to improve safety, quality, and efficiency Create technical drawings and support reverse engineering projects Identify improvement opportunities and contribute to continuous improvement initiatives Write...

The Project Engineering Intern performs functions that improve product lines and current processes for commercial and industrial systems. This individual has basic knowledge of commonly used engineering concepts, practices, and procedures, and is comfortable using SolidWorks and AutoCAD. This role reports to the Engineering Manager or assigned Team Lead. Key Position Responsibilities: Utilize typical computer programs (Word/EXCEL/PowerPoint) to build or assist in building a standard sequence of operation used by the engineers, field service teams, and end users. Incorporation of AI is ideal. Utilize typical computer programs (SolidWorks/AutoCAD) for new product line development assistance from concept to completion. Including creation of charted drawings and design work. Work with the Principal Engineer, Field Service, using AI or other tools to compile a training manual and assist in updating existing training material in PowerPoint. Learn the basic theory of operation and...