Principal Turbomachinery Design Engineer – Onsite

Radiant; El Segundo (CA); On-site; USD 180,000 - 240,000; Full time

Benefits offered by this job

Stock plan

Medical benefits

Daily catered lunch

Flexible PTO

Onsite El Segundo HQ

Equity grants

Nuclear Engineering CertificateProgram

Team bonding events

Onsite amenities

Job summary

Radiant in El Segundo, CA is seeking a Principal Mechanical Design Engineer, Turbomachinery to own the mechanical design and integrity of the core rotating assembly in our 1 MW Braytoncycle system. The role requires deep expertise in rotor dynamics, structural analysis, and high‑temperature operation.

You will drive mechanical architecture, coordinate with electrical and thermal groups, and uphold design rigor to deliver production‑ready turbomachinery.

Qualifications

• BS in Mechanical Engineering or related field.
• 10+ years designing high‑speed rotating machinery (turbines, compressors, or similar).
• Deep expertise in structural analysis and mechanical design of turbomachinery.
• Experience with bearings, seals, and high‑speed shafting design.
• Proficiency with ANSYS and NX/Teamcenter for design, simulation, and PLM.

Responsibilities

• Own the turbomachinery mechanical system as Responsible Engineer.
• Define architecture for high‑speed rotating assemblies and rotor dynamics.
• Lead life analysis, tolerancing, fits, and alignment strategies for precision rotating parts.
• Collaborate with electrical, thermal, and manufacturing teams for system integration.
• Lead testing, validation, and root-cause analysis of turbomachinery hardware.
• Provide technical reviews and guidance across cross‑functional teams.

Skills

High-speed rotating machinery

Rotor dynamics

Structural analysis

Tolerancing and GD&T

Hardware ownership

System integration

Leadership without management

Education

B.S. in Mechanical Engineering

Tools

ANSYS

NX

Teamcenter

Job description

Radiant in El Segundo, CA is seeking a Principal Mechanical Design Engineer, Turbomachinery to own the mechanical design and integrity of the core rotating assembly in our 1 MW Braytoncycle system. The role requires deep expertise in rotor dynamics, structural analysis, and high‑temperature operation.

You will drive mechanical architecture, coordinate with electrical and thermal groups, and uphold design rigor to deliver production‑ready turbomachinery.