Senior Mechanical Engineer – Turbomachinery Rotordynamics

The role

This person will design, build, and test turbomachinery for power generation systems. They will perform rotordynamic analysis and bearing selection for high-speed rotating machinery.

What you will do

• Design, build, and test turbomachinery for Radiant’s power generation systems.
• Perform dynamic analysis of rotor-bearing systems to evaluate vibrational behavior, stability, and resonance characteristics.
• Conduct critical speed analysis, Campbell diagram analysis, and stability assessments.
• Analyze rotor response under transient operating conditions.
• Select appropriate bearing types based on operating conditions and performance requirements.
• Evaluate bearing loads, life, and thermal performance.
• Prepare technical reports, design documentation, and presentation materials.
• Support the build and testing of prototype, first article, and production hardware.

Required qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering or a related field.
• 5+ years of experience in the design and analysis of turbomachinery, rotating equipment, or mechanisms.
• Strong understanding of rotordynamic principles and tools (e.g., XLrotor, Dyrobes, or equivalent).
• Excellent problem-solving, technical communication, and organizational skills.
• Must be willing to work extended hours and weekends as necessary.

Nice to have

• Prior experience with power generation applications.
• Knowledge of bearing selection for high-temperature, high-speed applications.
• Hands-on experience with turbomachinery testing and instrumentation.
• Familiarity with relevant industry standards (API, ASME, ISO).

Benefits

• Substantial incentive stock plan for all full-time employees.
• Medical: 100% up to base silver level plan for employee + 50% dependents, offers up to Platinum plans.
• One Medical: Sponsored memberships for employees and their dependents.
• Vision: 100% top tier plan coverage + 50% for dependents.
• Dental: 100% top tier plan coverage, orthodontia extra, 50% for dependents.
• Voluntary life, accident, hospital, critical illness, commuter and FSA/HSA are offered as employee contributed benefits.
• 8-weeks of paid parental leave for all parents.
• Additional paid pregnancy leave for CA employees.
• Nuclear Engineering Certificate Program: 100% covered educational program with Penn State University, for eligible employees.
• Daily catered lunch.
• Free snacks and drinks.
• Flexible PTO policy.

Before you apply

• Any job offer made will be contingent upon the applicant’s capacity to serve in compliance with U.S. export controls.

About the company

Radiant is an El Segundo, CA-based company building the world's only mass-produced, transportable nuclear microreactors. Founded in 2020, Radiant is under contract to deliver power to the U.S. Army, Navy and Air Force.