Berthoud – October 23, 2026 -- Aerospace company Ursa Major put its Summer 2026 interns on hypersonic engine testing, manufacturing and event planning, and internships for 2027 will open later this year.

Interns worked across the company's Berthoud, Youngstown and Washington, D.C. locations alongside experienced professionals.

A physics graduate turned an internship into a full-time job

Trey Lustenberger joined as a Configuration Intern after earning a physics bachelor's degree at the University of Colorado Boulder. He now works as a Configuration Engineer. His favorite project was the drawing for the Draper Block 1 As-Tested Tooling Kit. “It excites me knowing I had the opportunity to work on a product that could potentially see the testbed and fly,” he said.

A Clemson student built a coldbox for engine testing

William Stehn, a Clemson University senior pursuing a master's degree in mechanical engineering, first interned at Ursa Major in Summer 2025. This summer he worked as a Test Stand Engineering Intern in Berthoud, where hypersonic engines fire on test stands. His main project was a new modular coldbox that cools the engine to simulate high-altitude flight in testing. He will continue as a Liquids Manufacturing Intern for the academic year.

A communications major planned the Longmont ribbon-cutting

Isabel Hillberg, a Colorado State University communications senior, joined as a Marketing & Communications Intern at the beginning of 2026. She planned the Longmont ribbon-cutting event, where Governor Polis spoke.

Seven interns are coming back this fall

Aadit Gohil, Josh Bumann, Lucas Lovnander, Barkot Simegn, William Stehn, Isabel Hillberg and Benjamin Windt will return as interns this fall.