USD 90000-124500/yr

Vehicle Hardware Test Engineer I (Fluids)

United StatesLong Beachmid
EngineeringQA & Testing
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Quick Summary

Requirements Summary

you’ll 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: In this role,

Technical Tools
EngineeringQA & Testing

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 is responsible for the design and delivery of 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, test 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.

About the Role:

  • In this role, you will support the development and qualification of fluid system hardware for the TerranR launch vehicle. You will help translate design requirements into effective test strategies while iterating on hardware designs based on test results. Your work will ensure fluid system components are robust, well-understood, and ready for integration into the broader vehicle architecture
  • Primary Responsibilities:
    • Iterate on hardware designs and supporting analysis based on learnings found in testing 
    • Design mechanical test fixtures to support component and system-level hardware testing
    • Translate hardware designs, industry test standards, system requirements, and design criteria into actionable qualification and development test campaigns
    • Accelerate the team’s ability to test hardware by clarifying test processes, capabilities, and limitations, and by developing creative solutions to testing challenges
    • Support the execution, troubleshooting, and interpretation of hardware test campaigns 
  • To succeed in this role, you will bring a solid foundation in fundamental physics and the ability to apply first-principles thinking to complex problems. You are self-motivated, adaptable, and thrive in a fast-paced, highly collaborative vehicle development environment

About You:

  • Bachelor’s degree in mechanical or an equivalent engineering discipline
  • Experience designing or operating with fluid system components such as fittings, seals, valves, regulators, and associated system testing
  • Familiarity with FEA tools for evaluating structural margins 

Nice to haves but not required:  

  • Experience in a fast-paced start-up and/or launch vehicle environment

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:
$90,000$124,500 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.

If you need a reasonable accommodation, please contact us at accommodations@relativityspace.com.

 

Listing Details

Posted
April 13, 2026
First seen
March 25, 2026
Last seen
April 13, 2026

Posting Health

Days active
18
Repost count
0
Trust Level
83%
Scored at
April 13, 2026

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Relativity
Relativity
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Relativity makes software to help users organize data, discover the truth and act on it. Its SaaS product, RelativityOne, manages large volumes of data and quickly identifies key issues during litigation and internal investigations.

Employees
3k+
Founded
2001
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RelativityVehicle Hardware Test Engineer I (Fluids)USD 90000-124500
Vehicle Hardware Test Engineer I (Fluids) | Relativity | 90k-125k/year | Long Beach | April 2026