Senior Turbomachinery Engineer for Nuclear Power Systems

Radiant; El Segundo (CA); On-site; USD 180,000 - 250,000; Full time

Benefits offered by this job

Stock option plan

Health benefits

On-site cafeteria

Flexible PTO

Team events

Job summary

Radiant, an El Segundo, CA-based company, is seeking a Principal Turbomachinery Engineer to own the mechanical design of the core rotating assembly for our 1MW Brayton-cycle system. You will drive rotor dynamics, tolerancing, and integration with electrical and thermal teams to ensure production-ready turbomachinery.

This hands-on role requires 10+ years in high-speed rotating machinery, deep structural analysis expertise, and a proven ability to lead cross-functional initiatives in a

Qualifications

• B.S. in Mechanical Engineering or related field.
• 10+ years experience in high-speed rotating machinery design.
• Deep expertise in structural analysis and turbomachinery design.
• Experience with bearings, seals, and high-speed shafting.
• Proficient in ANSYS, NX, and Teamcenter.
• Strong tolerancing, GD&T, and precision assembly skills.

Responsibilities

• Own turbomachinery mechanical system as Responsible Engineer.
• Define mechanical architecture for high-speed rotating assemblies.
• Lead rotor dynamics, structural integrity, and life analysis.
• Ensure designs meet performance, safety, and regulatory requirements.
• Collaborate with electrical/thermal/manufacturing teams.
• Lead prototype testing and validation efforts.

Skills

Turbomachinery design

Rotor dynamics

Structural analysis

GD&T

Mechanical design

Thermal analysis

Influence without authority

Hardware bring-up

Education

B.S. Mechanical Engineering

Tools

ANSYS

NX

Teamcenter

Job description

Radiant, an El Segundo, CA-based company, is seeking a Principal Turbomachinery Engineer to own the mechanical design of the core rotating assembly for our 1MW Brayton-cycle system. You will drive rotor dynamics, tolerancing, and integration with electrical and thermal teams to ensure production-ready turbomachinery.

This hands-on role requires 10+ years in high-speed rotating machinery, deep structural analysis expertise, and a proven ability to lead cross-functional initiatives in a