# Senior Mechanical Engineer (Mechanisms) at Relativity Space

- Company: Relativity Space
- What the company does: 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.
- Company website: http://relativityspace.com/
- Type: Startups (AI role)
- Level: Senior
- Location: Long Beach, California, United States
- Work setup: On-site
- Posted: 2026-09-04
- Apply by: 2026-10-19
- Apply: https://boards.greenhouse.io/relativity/jobs/8784389002?gh_jid=8784389002
- Page: https://www.1752.vc/careers/jobs/relativity-space-senior-mechanical-engineer-mechanisms/

## About the role

To support our mission of changing the way rockets are built and flown, you will guide the design of Terran R mechanisms such as stage separation, payload deployment, aero control features and landing gear. To be successful, you will be working collaboratively with partner groups such as structures, avionics and fluids; and leverage our additive process and design freedom to design and build better products.

## What they're looking for

- Bachelor's degree in engineering or related technical discipline
- 5+ years of experience in a full cycle design engineering role, including CAD, analysis, build and test
- Fundamental knowledge of kinematic synthesis, pneumatic/hydraulic actuation, mechatronics and instrumentation
- Fundamental knowledge of structures strength, stability and fatigue failure modes
- Basic knowledge of manufacturing processes, materials, and surface treatments
- Proven track record of technical problem-solving and hands-on hardware build experience

Tags: Stage Structures and Mechanisms...