Guardian Summer 2026 Engineering Internship - DeWitt, IA

Your Job

Guardian Industries (a Koch Company) is seeking an Engineering Intern to join our team this upcoming Summer 2026 in DeWitt, IA!

At Guardian, we make high-performance, energy efficient glass for homes and buildings.

Perhaps most of all, we make the ideas, formulas and processes that make these products possible.

When you are looking at a city's skyline or the grilles on the latest cars and trucks, chances are you're seeing our Guardian Industries products.

Koch Industries has been consistently selected as one of the top 100 Internship Programs in the U.S by WayUp.

The internship opportunity will be a 12-week program running from late May to mid-August 2026.

Koch Intern Video

Our Team

We believe that everyone should be an entrepreneur no matter what role they are in.

As an intern, co-op, or new graduate, there are countless opportunities for you to be challenged, have your voice heard, and gain real experience within our companies.

Sound exciting? Do you want to be a part of meaningful work? Kickstart your career with us by applying today! Our opportunities for internships are in-personnationwide!

Engineering Interns are assigned to one of our many U.S.

locations, likely in a manufacturing facility, to help support innovation, process efficiency, equipment reliability, and quality assurance, with a large overarching focus on compliance, safety, and health.

When considering and selecting location preferences, candidates should consider those facilities in which they're willing to work for the duration of their time as an intern, in addition to where they'd be interested in receiving a full-time offer from, should they perform well.

What You Will Do

Our internship program seeks talent from many disciplines including (but not limited to):


* Electrical Engineering


* Industrial Engineering


* Manufacturing Engineering


* Mechanical Engineering


* Chemical Engineering


* Materials Engineering/Engineering Technology

Some examples of responsibilities or projects include:


* Working in CAD software


* Preparing and performing failure testing on glass/trim samples


* Automation of processes and standardized reporting


* Time studies and lean process improvement to achieve operational excellence


* Supporting product development lab experiments and field trials


* Working with and learning about tooling


* Supporting project teams on new equipment installations

Our interns work alongside our employees to solve real problems and offer insights that benefit society through improving our products and services.

In addition to being a contributor on their team, interns at Koch Companies learn about our unique Principle-Based Management culture, enjoy a variety of networking events to promote lasting career connections, and partner with interns from other disciplines on case studies.

These are just a few key aspects of our internship program.

Who You Are (Basic Qualifications)



* Enr...