Optical Test Engineering Intern

Your Job
Molex, a Koch Company, is seeking an Optical Test Engineering Intern to join our team in Fremont, CA this upcoming Summer 2026!

Molex brings together innovation and technology to deliver electronic solutions to customers worldwide.

With a presence in more than 40 countries, Molex offers a full suite of solutions and services for many markets, including data communications, consumer electronics, industrial, automotive, commercial vehicle and medical.

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.

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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!

What You Will Do



* Optical testing of benchtop, free-space systems


* Optical testing of fiber optic devices


* Setup, measurement, automation of optical tests


* Data analysis and improvement of test setups (e quipment includes tunable lasers, cameras, lenses, polarizers, power detectors, etc.)


* Collaboration with optical, electrical, mechanical, software engineers


* Apply statistical analysis to time sensitive data to observe relationships and identify potential opportunities for improvement within a connector system.


* Work closely with individual team members to perform hands-on tasks to ensure accurate completion of objectives.

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, and participate in our Innovation Challenge.

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

Who You Are (Basic Qualifications)


* Enrolled in an Optical Engineering Masters/PhD degree program


* Knowledge or exposure to optical fiber/optical communication systems


* Exposure to Zemax or other optical design software


* Eligible for full time employment on or before Summer 2028.

What Will Put You Ahead


* Fabrication/assembly Lab experience

For this role, we anticipate paying $38 per hour.

At Koch companies, we are entrepreneurs.

This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions.

Any compensation range provided for a role is an estimate determined by av...