Lead Test Engineer - Nuclear Microreactor Systems

Radiant Industries; El Segundo (CA); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Stock plan

Medical benefits

One Medical

Vision coverage

Dental coverage

Parental leave

Job summary

Radiant in El Segundo, CA seeks a Lead, Test Engineering to own the testing strategy for Kaleidos hardware and systems. This hands-on leader will manage a team of test engineers and serve as the technical owner for multi-discipline testing including thermal, materials, structural, and leak testing.

You will build the test site from the ground up to enable rapid design iteration, evaluate thermal performance and material behavior, and ensure tests translate into robust, production-ready hardware.

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering or related field.
• 8+ years of testing, development, or validation of complex mechanical systems.
• Hands-on experience building and operating test setups for high-energy hardware.
• Experience with leak testing methods and data analysis.

Responsibilities

• Lead test hardware design and infrastructure development.
• Own test strategy across development, qualification, and production acceptance phases.
• Plan, execute, and analyze development, qualification, and acceptance tests.
• Mentor and develop test engineers; ensure safety, quality, and thorough documentation.

Skills

Leadership

Test engineering

Data analysis

LabVIEW

Python

Education

Mechanical Engineering degree

Tools

LabVIEW

Python

MATLAB

Beckhoff hardware

Job description

Radiant in El Segundo, CA seeks a Lead, Test Engineering to own the testing strategy for Kaleidos hardware and systems. This hands-on leader will manage a team of test engineers and serve as the technical owner for multi-discipline testing including thermal, materials, structural, and leak testing.

You will build the test site from the ground up to enable rapid design iteration, evaluate thermal performance and material behavior, and ensure tests translate into robust, production-ready hardware.