Mechanical Engineer, Electrical Integration for Nuclear Systems

Radiant Industries; El Segundo (CA); On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

Stock options

Medical plans

Vision & dental coverage

Parental leave

Flexible onsite lunches

Job summary

Radiant Industries in El Segundo, CA is seeking a Mechanical Engineer to design and integrate electrical components and subsystems for advanced hardware. You will collaborate with mechanical, electrical, and systems engineers to solve packaging, thermal management, and structural challenges from CAD through build, test, and validation.

The role emphasizes end-to-end hardware development, DFM, and hands-on build/test activities on-site.

Qualifications

• Bachelor’s degree in mechanical engineering from an accredited institution.
• 3+ years of hands-on mechanical design experience.
• Experience with electrical assemblies, enclosures, brackets, and harness routing.
• Familiarity with thermal analysis and heat transfer concepts.
• Ability to read and create mechanical drawings, including tolerances.

Responsibilities

• Support the mechanical design and ownership of electrical components and subsystems.
• 3D CAD modeling and 2D drawing creation using Siemens NX.
• Perform first-order load calculations (static, shock, vibration) to support design decisions.
• Conduct thermal analysis and heat-transfer assessments for assemblies.
• Support material selection and manufacturing considerations; participate in system integration.

Skills

Siemens NX

Mechanical design

Team collaboration

Communication

Education

Bachelor’s degree in Mechanical Engineering

Tools

Siemens NX

Job description

Radiant Industries in El Segundo, CA is seeking a Mechanical Engineer to design and integrate electrical components and subsystems for advanced hardware. You will collaborate with mechanical, electrical, and systems engineers to solve packaging, thermal management, and structural challenges from CAD through build, test, and validation.

The role emphasizes end-to-end hardware development, DFM, and hands-on build/test activities on-site.