Senior Reactor Test Engineer — Onsite El Segundo

Radiant; El Segundo (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Stock options

Health benefits

On-site lunch

Flexible PTO

Parental leave

Education program

Wellness program

Team events

Transit support

Oceanfront HQ

Job summary

Radiant in El Segundo, CA, seeks a Senior Reactor Engineer to lead testing and verification of Kaleidos reactor hardware, including core assemblies, control mechanisms, instrumentation, and safety-critical components.

You will own testing from requirements through execution, data analysis, and documentation, collaborating with nuclear, mechanical, thermal, and controls teams to drive design improvements and ensure compliance with safety standards.

Qualifications

• Bachelor's degree in nuclear engineering, mechanical engineering, or related technical field.

Responsibilities

• Lead testing and verification of reactor components, mechanisms, and subsystems.
• Own test activities from requirements through execution, data analysis, and documentation.
• Develop test plans, procedures, instrumentation requirements, and acceptance criteria.
• Collaborate with engineers to develop test strategies and resolve technical challenges.
• Perform analyses and compare results with predictions.
• Review and approve test procedures and reports.
• Support reactor operations, commissioning, and integrated testing.

Skills

Nuclear engineering

Test engineering

Python/MATLAB

Data analysis

Instrumentation

Education

Bachelors in nuclear/mechanical engineering

Tools

Python

MATLAB

Job description

Radiant in El Segundo, CA, seeks a Senior Reactor Engineer to lead testing and verification of Kaleidos reactor hardware, including core assemblies, control mechanisms, instrumentation, and safety-critical components.

You will own testing from requirements through execution, data analysis, and documentation, collaborating with nuclear, mechanical, thermal, and controls teams to drive design improvements and ensure compliance with safety standards.