Fluid Systems Engineer II

At Relativity Space were building rockets to serve todays needs and tomorrows breakthroughs. OurTerran R vehicle will deliver customer payloads to orbit meeting the growing demand for launchcapacity. But thats just the start. Achieving commercial success with Terran R will unlock newopportunities to advance science exploration and innovation pioneering progress that reaches beyondthe known.

Joining Relativity means becoming part of something where autonomy ownership and impact exist at every level. Here youre not just executing tasks; youre solving problems that havent been solved before helping develop a rocket a factory and a business from the ground up. Whether youre in propulsion manufacturing software avionics or a corporate function youll 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 were writing together. Nowis a unique moment in time where its early enough to leave your mark on the product the process andthe culture but far enough along that Terran R is tangible and picking up momentum. The mostmeaningful work of your career is waiting. Join us.

About the Team:

The Stage Fluids team designs and delivers the propellant pressurant pneumatics and other fluid systems that turn structures into functioning rockets. The team has full ownership across design production test and flight maintaining a holistic view of Terran R focused not on isolated parts but integrated functionality. Working on-site at the factory means youre never far from the hardware enabling rapid iteration and tight feedback loops across design and manufacturing. You wont just be handed requirements: youll be expected to ask the right questions collaborate with partners across the company and ultimately find the best solutions for Terran R.

About the Role:

As a Vehicle Fluid Systems Engineer you will be responsible for the fluid system architecture and function for a given vehicle fluid subsystem. You will apply expertise in system architecture systems operations and fluid thermodynamics applications to guide hardware design system analysis manufacturing validation and operations.

Own the vehicle fluid subsystem architecture and schematics including system control scheme system and component selection and sizing
Conducting fluid and thermal analyses including system sizing and characterization using a variety of base analytical methods (1D steady-state fluid networks etc.)
Leading and participating in system and hardware design and manufacturing reviews
Defining and supporting test objectives and test campaigns to validate system design system models and overall system performance including supporting integrated vehicle testing and launch

About You:
Bachelors degree (Mechanical Engineering or relevant)
2 years of experience working with fluids systems
Experience applying engineering fundamentals in system design thermodynamics fluid dynamics and heat transfer
Experience with one or more fluid or thermal modeling tools for internal compressible and incompressible analysis
Proficiency in Python or a similar programing language for scientific computing and automated test/simulation data analysis

Nice to haves but not required:
Experience with launch vehicles and spacecraft

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.

If you need a reasonable accommodation please contact us at .

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