RS
Principal Propulsion Engineer, Engine Systems & Test
Relativity SpaceLong Beach, CA · full time · Principal
$185,000 – $277,000
Listed on Relativity Space’s own careers site. You apply with them directly — we never stand between you and the employer.
What this role is
Lead the architecture and system-level design of advanced liquid-propellant rocket engines at a commercial spaceflight company developing a production orbital launch vehicle. This role suits experienced propulsion engineers who can drive technical trades across engine systems, manage cross-functional interfaces, and mentor teams while contributing deep technical expertise to solve novel challenges.
Our summary, not Relativity Space’s wording. The full posting is on their site.
Skills this role names
Log in to see which of these are already on your profile.
What they ask for
Required
- 11+ years of relevant engineering experience
- Bachelor's degree in science, engineering, technology, or mathematics
- Working knowledge of liquid-propellant rocket engines
- Demonstrated ownership and problem-solving in complex engineering projects
- Ability to lead collaborative projects with minimal oversight
- Fluency in fluid mechanics and thermodynamics fundamentals
Nice to have
- Working knowledge of fluid components such as valves and instrumentation
- Working knowledge of engine subsystems such as combustion devices and turbomachinery