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# Vehicle Fluids Hardware Development Engineer I

- **Company:** Relativity Space, Inc.
- **Location:** Long Beach, United States
- **Experience:** Starter
- **Salary:** $90,000.0 - $136,000.0
- **Contract:** Internship / Graduate position
- **Skills:** Adobe InDesign, Hardware Design, System Testing
- **Published:** August 29, 2026
- **Apply:** https://www.dice.com/job-detail/fbab2562-cfff-4751-a155-d021d68554b8

## About the Role

* Bachelor's degree in a science, engineering, technology, or mathematics field
 * Hands-on hardware experience with fluid and/or mechanical systems
 * Demonstrated drive to deliver on ambitious schedules, especially if unconventional & creative solutions are necessary to do so
 * 1+ years of related experience (full time, internships or projects)

## Description

The Stage Fluids team is responsible for the design and delivery of 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.

About the Role:

In this role, you will be responsible for the hardware design and implementation of that hardware into vehicle fluid systems, ensuring a reliable and efficient operation of our Terran R launch vehicle. Your primary tasks will be focused on:

Vehicle Fluids Hardware Development Engineers are responsible for taking the vehicle hardware from paper designs to highly reliable, high-performance hardware. This role requires deep engagement with both the design and production teams to ensure our designs are readily manufacturable, and our manufacturing processes are reliable and production ready. You will also be responsible for developing new manufacturing processes to improve the Terran-R vehicle. You should have strong engineering fundamentals as well as a knowledge of aerospace manufacturing techniques to be an effective Hardware Development Engineer. The role demands close interaction with propulsion hardware, including defining build procedures and hands-on build and integration of hardware.

Responsibilities:

 * Develop manufacturing processes, new techniques, and tools to enable high-rate productions and increase engine performance
 * Work hand-in-hand with the design and analysis teams to simplify our propulsion systems
 * Participate in design reviews and lead design for manufacturing (DFM) initiatives
 * Design test set-ups, coordinate and execute development, qualification, and acceptance testing of systems, and conduct data reviews
 * Participate in test failure investigations and implement corrective actions
 * Design, analyze, and procure tooling for piece part manufacturing and system testing
 * Create and maintain development build and test schedules


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