Engine Systems & Test Team- Principal Engine Systems Development Engineer

Company: Relativity Space
Location: Long Beach
Posted on: May 4, 2025

Job Description:

Engine Systems & Test Team- Principal Engine Systems Development EngineerLong Beach, CaliforniaAt Relativity Space, we have two audacious goals: to build the next great commercial launch company with Terran R and to become America's leading force in additive manufacturing innovation. This journey begins right here on Earth - where we design, build, and fly rockets to deliver customer payloads to orbit. Terran R, our medium-to-heavy lift reusable rocket, fulfills the growing demand for launch capacity, thanks to our iterative approach that accelerates design, testing, and development while minimizing costs.Your journey with us is more than just a job - it's an opportunity to shape the future of aerospace technology, additive manufacturing, and the human experience alongside a community of passionate, creative individuals.About the Team:The propulsion team at Relativity is responsible for the successful development of the engines that will power the Terran R vehicle. We own their design from concept through to launch and reuse. Our team partners heavily with manufacturing, test, launch, and integration teams, striving to develop our engines in record time and to support Terran R's first launch in 2026.About the Role:This role may span several areas of our team depending on your skillset and the team's needs at the time. The core responsibilities are driving engine system (architecture + CONOPS) trades, managing engine interfaces & negotiating requirements to optimize for the vehicle, and supporting engine system development overall. You may additionally support engine system analysis and simulation, engine testing, tool development, and more.At the principal level, you will have significant impact on the development trajectory of the current engine, as well as on the architecture of future engine iterations. You will serve as a mentor to guide the team, but will also learn from mentors of your own within propulsion and the broader company.This role requires an average of 15% travel to our test & launch sites and may occasionally require shifted schedules or weekend work for critical milestones.About you:

• Experience applying engineering fundamentals in fluid mechanics & thermodynamics
• Clear evidence of ownership, problem-solving skills, and effective team collaboration from school or work experience
• Demonstrated drive to deliver on ambitious schedules, even and especially if unconventional & creative solutions are necessary to do so
• Bachelor's degree in a science, engineering, technology, or mathematics field
• Working knowledge of liquid-propellant rocket engines
• 11+ years of relevant experience, preferably in complex engineering system development and/or test environmentNice to haves, but not required:
  • Working knowledge of fluid components such as valves and instrumentation
  • Working knowledge of engine subsystems such as combustion devices and turbomachineryAt Relativity Space, we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience, qualifications, and other job-related factors.Hiring Range:$196,000 - $253,000 USDWe are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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Keywords: Relativity Space, Carlsbad , Engine Systems & Test Team- Principal Engine Systems Development Engineer, Education / Teaching , Long Beach, California