Engine Systems Design & Analysis Team- Propulsion Design Engineer I

Sorry, this job was removed at 12:16 a.m. (CST) on Thursday, Jun 26, 2025
Easy Apply
Long Beach, CA
Hybrid
97K-124K Annually
3D Printing • Aerospace • Hardware • Robotics • Software • Manufacturing
We are building the future of aerospace.
The Role

At 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. Both contribute to our long-term vision of creating humanity’s industrial base on Mars, paving the way for interplanetary life to expand the possibilities of the human experience. 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. While our groundbreaking research and development in 3D printing pushes the boundaries of large-scale additive manufacturing.

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. Join us on this extraordinary journey, as we work together to transform our vision into reality.

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. As part of this team, you will help build, test, and iterate on the full product lifecycle of our Aeon-R engine systems, seeing them mature and eventually bring Terran R into space.
About the Role:
You will be responsible for the overall layout, design, analysis, and build of hardware for our Aeon-R propulsion systems. You will work closely with other propulsion teams, the vehicle team, manufacturing/integration teams, and test teams to design, analyze, and optimize. Designs will be informed by both fluid and structural analytical and computational models. Engine assembly level layouts and trades will be weighed against weight, cost, lead time, and part count. To be successful in this role, you should be someone who thrives in ambiguity and is able to lead their own projects to completion.
 
About You:
  • Bachelor's degree in an engineering field
  • Experience with computer aided design (CAD) software
  • Experience with mechanical design
  • Experience applying fluid, thermal, and structural fundamentals 
Nice to haves, but not required:
  • Experience with Siemens NX and Teamcenter, specifically
  • Experience with Finite Element Analysis (FEA) and commercial tools such as Ansys, Abaqus, or Nastran
  • Experience with large CAD model management, change management, and configuration management
  • Experience in the design of liquid propulsion components and systems
  • Familiarity with aerospace standards (AS, NAS, SAE, etc.)

At 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.
Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity, a generous PTO and sick leave policy, parental leave, an annual learning and development stipend, and more! To see some of the benefits & perks we offer, please visit here.

Hiring Range:
$97,000$124,300 USD

We 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.

What the Team is Saying

Vlad

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The Company
HQ: Long Beach, CA
1,300 Employees
Year Founded: 2016

What We Do

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our 
Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch 
capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new 
opportunities to advance science, exploration, and innovation, pioneering progress that reaches beyond 
the known.
Joining Relativity means becoming part of something where autonomy, ownership, and impact exist at 
every level. Here, you're not just executing tasks; you're solving problems that haven’t been solved 
before, helping develop a rocket, a factory, and a business from the ground up. Whether you’re in 
propulsion, manufacturing, software, avionics, or a corporate function, you’ll collaborate across teams, 
shape decisions, and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand, and your voice will help define the stories we’re writing together. Now 
is a unique moment in time where it’s early enough to leave your mark on the product, the process, and 
the culture, but far enough along that Terran R is tangible and picking up momentum. The most 
meaningful work of your career is waiting. Join us.

Why Work With Us

We believe in a future where interplanetary life fundamentally expands the possibilities for the human experience. In realizing this, our long-term goal is to create humanity’s industrial base on Mars. The first step toward this long-term vision starts here on Earth – building rockets and pushing the boundaries of additive manufacturing.

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Launching the Future of Humanity in Space
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About our Teams

Relativity Space Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Given the dynamic nature and diversity of roles at Relativity Space, there is no one-size-fits-all approach for how every team works best.

Typical time on-site: Flexible
HQLong Beach, CA
Cape Canaveral, FL
Center, MS
Kent, WA
Washington, DC
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