Principal Turbomachinery Design Engineer - Onsite

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

Benefits offered by this job

Stock options

Medical benefits

Onsite dining

Job summary

Radiant is seeking a Principal Mechanical Design Engineer, Turbomachinery, to own the turbomachinery mechanical system for a 1MW Brayton cycle nuclear microreactor project in El Segundo, CA. You will set the architecture for high-speed rotating hardware and work with electrical, thermal, and manufacturing teams to deliver production-ready turbomachinery.

This hands-on role requires 10+ years in turbomachinery design, strong rotor dynamics, and expertise with ANSYS, NX, and Teamcenter.

Qualifications

• BS in Mechanical Engineering; 10+ years in high-speed rotating machinery.
• Expert in rotor dynamics and high-speed shafting design.
• Experience with ANSYS, NX, and Teamcenter for design and PLM.
• Ability to own hardware through design, build, and test cycles.
• Willingness to work onsite at El Segundo HQ.

Responsibilities

• Own turbomachinery mechanical system as Responsible Engineer.
• Define architecture for high-speed rotating assemblies.
• Lead rotor dynamics, structural integrity, and life analysis.
• Define tolerances, fits, and assembly strategies.
• Collaborate with electrical, thermal, and manufacturing teams.
• Drive interface definitions across mechanical, electrical, and thermal boundaries.
• Support prototyping, testing, validation, and root-cause analysis.
• Provide technical guidance and design reviews.

Skills

Turbomachinery design

Rotating machinery

Rotor dynamics

AN SYS

NX/Teamcenter

GD&T

Hardware build/test

Cross-functional collaboration

Systems thinking

Education

B.S. in Mechanical Engineering

Tools

ANSYS

NX

Teamcenter

Job description

Radiant is seeking a Principal Mechanical Design Engineer, Turbomachinery, to own the turbomachinery mechanical system for a 1MW Brayton cycle nuclear microreactor project in El Segundo, CA. You will set the architecture for high-speed rotating hardware and work with electrical, thermal, and manufacturing teams to deliver production-ready turbomachinery.

This hands-on role requires 10+ years in turbomachinery design, strong rotor dynamics, and expertise with ANSYS, NX, and Teamcenter.