Propulsion Test Engineering Intern - Fall 2026

Hermeus is a venture-backed defense aviation company reclaiming the lost art of rapid iterative prototyping to build the fastest aircraft in the world today. By prioritizing relentless hardware iteration, we deliver high-speed systems at the pace of the modern battlefield. We work with the Department of War to provide the high-speed capabilities our nation and its allies need to maintain a durable, asymmetric advantage.

About The Role:

As a Propulsion Test Engineering Intern, you will gain hands-on experience working with high-performance propulsion systems, supporting engine and system-level testing. You will work closely with engineers and technicians to set up test campaigns, monitor data, and troubleshoot issues, directly contributing to Hermeus’ hypersonic development efforts.

Fall: Around 16 weeks (August - December)

Responsibilities:

• Work alongside experienced engineers to assist in designing, setting up, and operating test stands, learning the fundamentals of propulsion system testing.

• Help instrument test setups, monitor test conditions, and analyze performance data to contribute to system improvements and troubleshooting efforts.

• Partner with engineers and technicians to refine test processes, enhance safety procedures, and develop a deeper understanding of propulsion systems in a real-world testing environment.

Requirements:

• Practical experience designing, building, and testing vehicles through internships, studies or projects.

• Must be currently enrolled in a STEM program at an accredited college or university (undergraduate student in your third or fourth year of study, or enrolled in a Master's or Ph.D. program).

• Strong interest in propulsion systems and testing.

• Strong understanding of engineering first principles.

• Demonstrated ability to work within cross-functional teams.

• Enthusiasm for aviation and Hermeus's mission.

• Excellent written and verbal communication skills.

• GPA of 3.0 or above.