Staff Vehicle Fluid Systems Engineer (Product)
- Pay
- $164,000 – $225,500 per year
- Location
- Long Beach, CA · On-site
- Job type
- Full-time
- Level
- Lead / Staff
- Experience
- 7+ years
- Education
- Bachelor's degree
- Listed
- 31 days ago
Skills & highlights for this role
- fluid system architecture
- thermodynamics
- fluid dynamics
- fluid or thermal modeling tools
Also useful
- Matlab
- Python
- C++
- NSSL certification
Stated benefits & perks
- Parental leave
- Pto
- Learning stipend
About the Role
As a Vehicle Fluids Product Responsible Engineer, you will be responsible for the fluid system architecture and function for a given vehicle product line. You will apply deep expertise in system architecture, complex systems operations, and fluid thermodynamics applications to guide hardware design, system analysis, manufacturing, validation and operations.
You Will
- Own the integrated stage-level fluid architecture and schematics, ensuring seamless functionality across all propellant, pressurant, and pneumatic subsystems
- Lead cross-functional interface definitions and negotiations with partner vehicle teams (Propulsion/Engine, Structures, GNC, and Avionics) to ensure flawless system integration
- Assist with sizing and fluid 1D steady-state thermofluids analysis at both the system and component levels when necessary to
- Define development, qualification, and acceptance testing scopes to buy down technical risk prior to vehicle-level integrated testing
- Participate in concept of Operations (CONOPS) development and operation data review to take ultimate ownership of the successful operational philosophy and testing execution of the fluid systems at the integrated vehicle level
About You
- Bachelor's degree (Mechanical Engineering or relevant)
- 7+ years of experience working with complex fluids systems
- Strong background in fluid system architecture, operations and application of engineering fundamentals in system design, thermodynamics, fluid dynamics, and heat transfer
- Proficient with one or more fluid or thermal modeling tools for internal compressible and incompressible fluid analysis
- Experience using programming languages such as Matlab, Python, or C++ for data analysis or modeling
- Direct experience designing or operating launch vehicle or spacecraft fluid or propulsion systems
Nice to haves but not required
- Experience with certification of a vehicle fluid system for NSSL and/or range certification
Additional information
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.
Pay and benefits
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: $164,000—$225,500 USD
Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.
About Relativity Space
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.
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 you're never far from the hardware, enabling rapid iteration and tight feedback loops across design and manufacturing. You won't just be handed requirements: you'll be expected to ask the right questions, collaborate with partners across the company, and ultimately find the best solutions for Terran R.
Equal opportunity and legal notices
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.
From Relativity Space's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
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Common questions
What is the salary for the Staff Vehicle Fluid Systems Engineer (Product) role at Relativity Space?
The Staff Vehicle Fluid Systems Engineer (Product) posting at Relativity Space states compensation of $164,000 – $225,500 per year. It is listed as a full-time position. Final pay may depend on location, experience, and interview evaluation on Relativity Space's official career site.
Where is the Staff Vehicle Fluid Systems Engineer (Product) job at Relativity Space located?
This Staff Vehicle Fluid Systems Engineer (Product) position at Relativity Space is located in Long Beach, CA (On-site). Always check Relativity Space's application page for specific state eligibility or relocation policies.
What qualifications are required for Staff Vehicle Fluid Systems Engineer (Product) at Relativity Space?
For the Staff Vehicle Fluid Systems Engineer (Product) role, Relativity Space highlights 7+ years of relevant experience; a bachelor's degree; experience with fluid system architecture, thermodynamics, fluid dynamics, fluid or thermal modeling tools. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Staff Vehicle Fluid Systems Engineer (Product) position at Relativity Space?
This listing links directly to Relativity Space's Greenhouse application page. You can apply directly on Relativity Space's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.