Summer 2026 Environmental Engineering Intern (Env or Chem Engineer)

FUEL YOUR FUTURE.

Flint Hills Resources (FHR), a Koch company, operates refineries, pipelines and terminals that produce, store and market gasoline, diesel, jet fuel and asphalt.

Headquartered in Wichita, Kansas, and strategically located throughout Minnesota, Texas and the Midwest, FHR strives to deliver value to our customers while maintaining a strong focus on safety, sustainability, and serving our communities responsibly.

We are hiring for Summer 2026 Environmental Interns for our refinery in Corpus Christi, TX.

FHR interns collaborate within our teams on real life projects and challenges.

As an Environmental Engineering Intern, you'll invest in your future while learning about various environmental regulations and permitting requirements, monitoring and sampling processes, and data analysis and management.

Interns are assigned individual projects as well as mentors to help them pave their way to success.

Our 12-week in-person internships located at our refineries offer you a first-hand look at the opportunities available to you in the industry as well as our company.

What You Will Do

At FHR, interns gain real-world, hands-on experience, with the opportunity to tackle significant projects, problem-solve, and take ownership of their work.

Alongside your day-to-day role, the FHR Intern Program offers an opportunity to learn more about Koch Industries, our people, Principle Based Management, and the local community you will be working in, all while growing your network.

Through weekly learning sessions, location-specific programming, and professional development, we aim to help every individual grow and learn how they can best contribute.

This 12-week program will allow you to experience Life at Koch , as you start your career and go anywhere within our network of companies.

At FHR/Koch, we are proud to be consistently selected as one of the top 100 Internship Programs in the U.S by WayUp.

Who You Are (Basic Qualifications)


* Enrolled in a 4 year degree program majoring in Environmental Engineering or Science, Chemical Engineering or other related science, engineering, or environmental field.


* Eligible for full-time employment on or before Summer 2027


* Legal authorization to work permanently in the United States for any employer without requiring a visa transfer or visa sponsorship

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds.

We are Military Ready and Second Chance employers.

Learn more about our hiring philosophy here.

Who We Are

As a Koch company, Flint Hills Resources is an industry-leading refining company making the oil and transportation products that keep the world moving.

We make a large supply of fuel for gas stations and airports in addition to transporting crude oil, natural gas liquids and refined products through 4,000+ miles of pipeline -delivering energy to farmers, manufacturers and families.

Our team champions innovation and e...