Relativity Space
Avionics Mechanical Engineer II
$104K–$156K
Long Beach, California, United States · Full-time · Posted Sep 23, 2026
- Experience
- 3+ years.
- Education
- Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
About the job
Own the design, analysis, testing, and delivery of flight-ready electromechanical avionics systems for the Terran R launch vehicle.
What you'll do
- Design and deliver avionics enclosures, electrical interfaces, thermal accommodations, and interfaces to launch vehicle systems.
- Analyze and test systems to address thermal and structural challenges and ensure they can withstand launch and space environments.
- Build, test, and debug hardware while iterating designs through qualification and flight readiness.
What they ask for
- Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- 3+ years of experience in mechanical design, packaging, and 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 structural and thermal analysis tools; hands-on lab experience building, testing, and debugging hardware.
Nice to have
- Familiarity with NASA or other spaceflight structural verification standards, environmental testing, and qualification.
- Experience with launch vehicle or spacecraft avionics, or mechanical components for power systems and/or batteries.
Pay
$104,000 — $156,000 USD (base salary)
Tools
SolidWorks, NX
Model-written summary · the original posting is authoritative