Staff Turbomachinery Design Engineer - Onsite 1MW Nuclear

Radiant; El Segundo (CA); On-site; USD 180,000 - 280,000; Full time

Benefits offered by this job

Stock plan

Medical coverage

Daily catered lunch

Flexible PTO

Onsite at El Segundo HQ

Job summary

Radiant, an El Segundo, CA‑based company, seeks a Staff Mechanical Design Engineer, Turbomachinery, to own the turbomachinery mechanical system and drive the architecture for high‑speed rotating assemblies in the 1MW Brayton cycle system.

You will lead rotor dynamics, life analysis, tolerancing, and integration with electrical and thermal teams, delivering production‑ready turbomachinery with a focus on reliability and safety.

Qualifications

• B.S. in Mechanical Engineering or related field.
• 8+ years designing high‑speed rotating machinery (turbomachinery).
• Deep expertise in structural analysis and mechanical design of turbomachinery.
• Experience with bearings, seals, and high‑speed shafting design.
• Expert‑level with analysis tools (e.g., ANSYS) and advanced use of NX and Teamcenter.
• Strong GD&T and precision assembly knowledge.
• Hands‑on experience with hardware through design, build and test cycles.

Responsibilities

• Own and define the mechanical architecture for high‑speed rotating assemblies up to ~30 krpm.
• Lead rotor dynamics, structural integrity and life analysis for rotating components.
• Define tolerances, fits, stack‑ups, and assembly alignment strategies.
• Collaborate with electrical and thermal teams for integrated design.
• Guide interfaces across mechanical, electrical, and thermal boundaries.

Skills

Turbomachinery design

Rotor dynamics

Structural analysis

Bearings & seals

GD&T

ANSYS/NX/Teamcenter

Education

B.S. in Mechanical Engineering

M.S. or Ph.D. in Mechanical Engineering

Tools

ANSYS

NX

Teamcenter

Job description

Radiant, an El Segundo, CA‑based company, seeks a Staff Mechanical Design Engineer, Turbomachinery, to own the turbomachinery mechanical system and drive the architecture for high‑speed rotating assemblies in the 1MW Brayton cycle system.

You will lead rotor dynamics, life analysis, tolerancing, and integration with electrical and thermal teams, delivering production‑ready turbomachinery with a focus on reliability and safety.