Loads & Dynamics Engineer for Nuclear Microreactor Systems

Radiant; El Segundo (CA); On-site; USD 107,000 - 146,000; Full time

Benefits offered by this job

Stock options

Medical coverage

One Medical membership

Vision coverage

Dental coverage

Flexible PTO

Job summary

Radiant in El Segundo, CA seeks a Loads & Dynamics Engineer to own static, dynamic, and transient analyses for Kaleidos, our portable microreactor and related hardware.

You will perform FEA and modal analyses, collaborate with design and test teams, and help translate results into robust hardware choices for manufacturing, transportation, and operation. This hands-on role requires onsite work and strong communication across disciplines.

Qualifications

• Bachelor’s degree in Mechanical, Aerospace, Structural or related field.
• 2+ years in loads, dynamics, or structural analysis for complex mechanical systems.
• Strong fundamentals in structural mechanics, dynamics, and vibration.
• Experience with finite element modeling and metallic/composite structures.

Responsibilities

• Develop static, dynamic, and transient loads for reactor systems and transport configurations.
• Perform structural dynamics analyses including modal, random vibration, shock, and fatigue.
• Implement explicit dynamics simulations for nonlinear response during transient seismic and transport events.
• Define transportation and handling environments (road/rail/air/sea) and analyze their effects.
• Generate load cases to support structural sizing, margins, and verification plans.
• Conduct FEA using ANSYS, Abaqus, or similar tools.
• Collaborate with design engineers to influence hardware architecture and materials.
• Support test planning and correlation (shaker tests, modal surveys, structural verification).
• Maintain analysis documentation for reviews and regulatory interfaces.
• Contribute to failure investigations and design improvements.

Skills

Structural analysis

Vibration analysis

Finite element methods

Cross-functional communication

Education

Bachelor's degree in Mechanical/Aerospace/Structural Engineering

Tools

ANSYS

Abaqus

Nastran

Job description

Radiant in El Segundo, CA seeks a Loads & Dynamics Engineer to own static, dynamic, and transient analyses for Kaleidos, our portable microreactor and related hardware.

You will perform FEA and modal analyses, collaborate with design and test teams, and help translate results into robust hardware choices for manufacturing, transportation, and operation. This hands-on role requires onsite work and strong communication across disciplines.