Graduate Mechanical Engineer, Nuclear Microreactors

Socket.dev

El Segundo (CA)

On-site

USD 90,000 - 130,000

Full time

2 days ago

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Benefits offered by this job

Stock plan

Medical coverage

One Medical membership

Vision coverage

Dental coverage

Voluntary benefits

Parental leave

Lunch and snacks

Flexible PTO

Team events

HQ by ocean

Job summary

Radiant, based in El Segundo, CA, is hiring engineers to contribute to design, analysis, and testing of a microreactor. You’ll own deliverables from concept through build with mentor guidance and collaborate across disciplines to overcome technical challenges.

Qualifications include BS/MS in mechanical or aerospace engineering and a strong grasp of core engineering principles, plus hands-on design experience. Proficiency with CAD/analysis tools and lab instrumentation is expected.

Qualifications

BS or MS in Mechanical Engineering, Aerospace Engineering, or a related discipline.
Graduating in December 2026 or Spring 2027
Strong foundation in engineering first principles, including but not limited to thermodynamics, fluid mechanics, statics, dynamics, and strength of materials.
Hands-on experience in design and build through projects, research, labs, or internships.
Proficiency with engineering tools (e.g., CAD, analysis software, lab instrumentation).

Responsibilities

Contribute to the design, analysis, and testing of our microreactor.
Take ownership of deliverables from concept through build and validation, with guidance from senior engineers.
Collaborate across disciplines to integrate designs and resolve technical challenges.
Support system-level testing, troubleshooting, and design iteration to accelerate KDU development.
Communicate results through design reviews, technical reports, and presentations to peers and leadership.