H9 are currently partnering with an innovative, rapidly growing aviation company based in Long Beach, California who are looking to recruit a Mechanical Design Engineer with an emphasis on propulsion systems.

Role Description

We are looking for a Mechanical Design Engineer with 3-8 years of experience to own the mechanical design and integration of propulsion components on a hybrid-electric VTOL aircraft that is on the cusp of transitioning from prototype flight testing to customer delivery.

You'll join a lean, high-impact propulsion team responsible for the entire powertrain—high-speed generators, motors, inverters, turbines, battery packs, and cooling systems.

This is a hands-on role where you'll take real ownership of critical flight hardware, driving designs from concept through build, test, and iteration. The ideal candidate can operate independently, has experience resolving real-world bu...