Startups · AI

Thermal Engineer I

Relativity Space · Long Beach, California, United States · On-site

← All jobs
About Relativity Space

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

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. Found on 1752vc Careers, the job board for startup and VC roles.

What they're looking for

  • Bachelor's degree in Engineering or related field
  • Experience in industry via internships or university collaborations
  • Strong fundamentals in heat transfer and thermal analysis
  • Hands-on experience with writing test plans and performing testing, instrumentation, and data analysis at the component and system level
  • Experience with an engineering scripting language like MATLAB or Python
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...

Read the full posting on Relativity Space's site ↗

Integrated Performance

Build your edge while you search

Free tools for founders and investors, plus VC Unfiltered, our take on startups, venture and the people who build them.