Nuclear Engineer Intern

Kyndrix

El Segundo, CAFresher1h agovia LinkedIn

This job at a glance

Who can apply
New grads and up to 1 year
Must know
PythonC++
Nice to have
System design
Work
On-site in El Segundo · internship
Pay
$34–$40 an hour
Skill demand
System design10%Python9%C++4%of 99 similar entry-level jobs posted in the US this week
Listed
Nov 3, 2026 · still open

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Location: El Segundo, CA (100% Onsite)

Compensation: $34–$40/hour

About the Role

Support nuclear reactor engineering projects with hands-on experience in nuclear design, analysis, modeling, and simulation.

Key Responsibilities

  • Assist with nuclear design and analysis tasks, including shielding, neutronics, thermal, and fuel-related studies.
  • Support coupled neutronics and thermal calculations to refine system performance models.
  • Document methods, results, and findings in clear technical reports and presentations.
  • Collaborate with cross-functional teams and provide technical input as projects evolve.
  • Develop lower-order shielding analysis models to create rapid shielding design solutions.
  • Support the development and execution of uncertainty propagation methodologies on the Kaleidos Demonstration Unit.
  • Perform criticality safety analysis for the Production Plant of Kaleidos reactors.
  • Present a final project review to engineers and leadership at the end of the internship.

Requirements & Tech Stack

  • Proficiency in at least one programming language, such as Python, C++, or C#.
  • Ability to work 100% onsite at the company's headquarters in El Segundo, CA.

Qualifications

  • Currently pursuing a BS or MS in Mechanical Engineering, Nuclear Engineering, or a related discipline.
  • Strong academic foundation in nuclear engineering principles, including reactor physics, thermal-hydraulics, and radiation shielding.

Preferred Qualifications

  • Hands-on experience through coursework, research, projects, or labs in nuclear system design or analysis.
  • Familiarity with nuclear simulation codes such as OpenMC, Serpent, MCNP, MOOSE, BISON, RELAP, CFD, Pronghorn, or GRIFFIN.
  • Prior software development experience or exposure to version control, testing, or documentation practices.
  • Strong communication skills and ability to work collaboratively in a team environment.
  • Enthusiasm for the company's mission to rapidly deploy nuclear microreactors to provide clean energy in remote locations.

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