Propulsion Component Engineering Intern - Spring 2027

Hermeus · Internships

Pay: $25–$33/hr
Hours: Intern
Where: Los Angeles, CA
Posted: Aug 31

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.

What you'd do

Support the development of propulsion components (e.g., valves, actuation systems, and fluid control hardware) from concept through flight-ready delivery
Contribute to designs for extreme environments, including high pressure, temperature, and transient operating conditions
Support engineering trade studies across performance, manufacturability, reliability, and testability
Assist with clean-sheet design, analysis, and integration of propulsion components
Support hardware through rapid build–test–iterate cycles
Participate in troubleshooting and root cause analysis during development and test
Work with propulsion and vehicle system owners to define requirements, interfaces, and integration strategies
Assist with system-level sizing, architecture, and design trades
Support development testing, qualification, and acceptance of flight hardware
Contribute to the transition from prototype to repeatable, production-ready designs

What they want

Practical experience designing, building, and testing hardware or vehicles through internships, coursework, research, or hands-on 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, mechanical systems, and hardware development
Strong understanding of engineering first principles, including fluids, thermodynamics, mechanics, and materials
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

About Hermeus · Internships

As a Propulsion Component Engineering Intern, you will support the development of flight-critical mechanical and fluid system components, including valves, actuators, and integrated propulsion hardware. You will contribute to hardware development from clean-sheet design through build, test, qualification, and production, working closely with propulsion and vehicle teams.