Relativity Space
Senior Avionics Mechanical Engineer
$129K–$193K
Long Beach, California, United States · Senior · Full-time · Posted Sep 2, 2026
- Experience
- 5+ 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 mechanical hardware for space science avionics platforms.
What you'll do
- Design enclosures, mounting structures, thermal accommodations, and spacecraft interfaces.
- Analyze and test hardware to ensure it can withstand launch and space environments.
- Lead rapid design iteration and delivery of flight-ready avionics mechanical systems.
What they ask for
- Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field.
- 5+ years of experience in mechanical design, packaging, or thermal management for aerospace or ruggedized electronic systems.
- 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 spaceflight avionics or payloads, high-density electronics cooling, or materials and processes for vacuum and radiation environments.
Pay
$129,000 — $193,000 USD (base salary)
Tools
SolidWorks, NX
Model-written summary · the original posting is authoritative