Radiant
Senior Mechanical Engineer, Structures
$134K–$185K
El Segundo, CA · On-site · Senior · Full-time · Posted Oct 28, 2026
- Experience
- 6+ years designing structures; 4+ years performing stress analysis.
- Education
- Bachelor’s degree from an accredited institution in Mechanical, Aeronautical, Civil or Structural Engineering.
- Visa sponsorship
- Any job offer is contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.
About the job
Designs and develops critical reactor structures for Kaleidos, including structural analysis, manufacturing and assembly planning, integration, and testing.
What you'll do
- Own structural systems and conduct design trade studies, material selection, and structural analyses.
- Develop manufacturing and assembly instructions, test plans, bills of materials, supplier relationships, and subassembly schedules.
- Manage subsystem risk analysis and coordinate requirements with engineers in other functional areas.
What they ask for
- Bachelor’s degree in Mechanical, Aeronautical, Civil, or Structural Engineering.
- 6+ years of experience designing structures.
- 4+ years of stress-analysis experience using hand calculations and finite element tools.
- Willingness to work extended hours and weekends as needed; must work 100% onsite at El Segundo HQ.
Nice to have
- Experience designing multi-component assemblies in CAD (NX or similar).
- Experience designing hardware that was manufactured, deployed, and iteratively improved.
Pay
$133.5K – $184.8K (USD, base salary)
Tools
Abaqus, Ansys, FEMAP, NX, CAD, finite element tools
Model-written summary · the original posting is authoritative