Relativity Space builds reusable rockets that make access to space more reliable and routine—empowering science, exploration, and innovation beyond our planet. Backed by General Catalyst, Y Combinator and Lux.
About the role
This is a hands-on role for a self-driven engineer who thrives in a fast-paced, prototype-heavy environment. You’ll work from first principles to rapidly iterate on designs, perform analysis and testing, and lead the delivery of flight-ready avionics mechanical systems.
What they're looking for
- Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field
- 7+ years of experience in mechanical design, packaging, or thermal management for aerospace or ruggedized electronic systems
- Proven ability to deliver mechanical systems from concept through qualification and flight
- Proficiency with CAD (SolidWorks, NX, or equivalent) and analysis tools for structural and thermal performance
- Hands-on experience building, testing, and debugging hardware in a lab environment
- Strong communication skills and comfort working cross-functionally in a fast-paced, rapidly iterating team environment
More about this role
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...
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