Summer 2026

Nuclear Safety Analysis Engineer Intern

Posted on 1/29/2026

Kairos Power

Kairos Power

501-1,000 employees

Designs, licenses, and demonstrates advanced reactors

No salary listed

No H1B Sponsorship

Albuquerque, NM, USA

In Person

US Citizenship Required

Category
Data & Analytics (1)
Required Skills
Python
Github Actions
R
Git
Docker
Requirements
  • Currently pursuing Master of Science or Doctor of Philosophy in Nuclear Engineering, Chemical Engineering or a related field.
  • Completion of Bachelor’s degree in Nuclear Engineering, Chemical Engineering, or related field is required.
  • Proficiency in developing simplified scoping models for complex systems.
  • Familiarity with Python or R for model development.
  • Familiarity with source term codes such as RADTRAD, MELCOR or MAAP.
  • Familiarity with the MOOSE framework and derived codes such as SAM.
  • Familiarity with LaTeX and/or Quarto for technical documentation.
  • Familiarity with version control tools such as Git.
  • Familiarity with containerized environments, e.g., Docker, and Github Actions.
  • Excellent analytical and problem-solving skills.
  • Strong attention to detail.
  • Effective communication and collaboration abilities.
  • Ability to work with a highly collaborative team.
  • Prioritizes and ensures safety of oneself and others.
  • Ability to proactively collect, manage and transfer knowledge.
  • Ability to seek different and novel ways to create efficiencies when working on problems, challenges, and issues
Responsibilities
  • Collaborate with team members to develop novel safety analysis methodologies.
  • Develop, automate, and document standardized workflows towards improving consistency and efficiency of work done across the organization.
  • Post-process, analyze and interpret calculation outputs to evaluate the consequences of postulated events to ensure adherence to regulatory limits.
  • Prepare clear technical documentation of assumptions, inputs, methods, results, and conclusions to support internal design decisions and external licensing submittals.
  • Other duties as assigned.

Kairos Power designs, licenses, and demonstrates advanced nuclear reactors, headed by the KP-FHR which uses fluoride salt coolant and high operating temperatures to generate electricity. The system focuses on low water use and near-zero carbon emissions, pursuing an integrated path from design to regulatory licensing and demonstration to prove safety and economics. The company distinguishes itself by aiming to beat natural gas on cost and by a clear licensing/demo program coupled with environmental and grid-resilience performance. Its goal is to scale safe, affordable nuclear technology through government support, investments, licensing deals, and long-term service agreements to help decarbonize electricity.

Company Size

501-1,000

Company Stage

Grant

Total Funding

$20K

Headquarters

Alameda, California

Founded

2016

Simplify Jobs

Simplify's Take

What believers are saying

  • Google and TVA provide pre-arranged offtake for Hermes 2’s first electricity.
  • The Albuquerque-to-Oak-Ridge module strategy can shorten construction and improve repeatability.
  • BWXT fuel production and NRG PALLAS testing strengthen the commercialization and licensing path.

What critics are saying

  • Hermes 2 must hit 2030 first power or lose its core credibility.
  • TRISO fuel and FLiBe supply chains remain immature, driving schedule and cost risk.
  • California’s reactor ban and narrow host-site politics restrict future deployment options.

What makes Kairos Power unique

  • Kairos uses fluoride-salt-cooled, high-temperature TRISO pebble fuel.
  • Hermes 1 earned the first NRC permit for a power-producing Gen IV reactor.
  • Its modular 150 MWe KP-FHR pairs online refueling with near-atmospheric pressure operation.

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Your Connections

People at Kairos Power who can refer or advise you

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Paid Vacation

401(k) Company Match

401(k) Retirement Plan

Growth & Insights and Company News

Headcount

6 month growth

0%

1 year growth

1%

2 year growth

1%
NucNet
Sep 3rd, 2025
Kairos And BWXT To Collaborate On Commercial Production Of Triso Nuclear Fuel

Kairos is developing Generation IV fluoride salt-cooled high-temperature reactor (KP-FHR) technology.

Chattanooga Times Free Press
Aug 18th, 2025
TVA, Google team up on advanced nuclear reactor project

Kairos Power will sell electricity to the Tennessee Valley Authority through an agreement announced Monday, and TVA will pass clean energy credits to its customer Google, which operates two data centers in the region.

Teknovation.biz
Jun 3rd, 2025
Ornl And Elementl Power Collaborate On A Data-Driven Approach For New Nuclear

Oak Ridge National Laboratory (ORNL) and Elementl Power have teamed up to advance a data-driven siting approach for advanced nuclear projects. The work started through a U.S. Department of Energy... The post ORNL and Elementl Power collaborate on a data-driven approach for new nuclear appeared first on Teknovation.biz.

Teknovation.biz
May 8th, 2025
Kairos Power Completes First Installation Of Nuclear Safety-Related Concrete For The Hermes Low-Power Demonstration Reactor

Kairos Power announced on Thursday that the company has completed the first installation of nuclear safety-related concrete for the Hermes Low-Power Demonstration Reactor, marking the start of “nuclear construction” on... The post Kairos Power completes first installation of nuclear safety-related concrete for the Hermes Low-Power Demonstration Reactor appeared first on Teknovation.biz.

NEI Magazine
Mar 28th, 2025
NRG PALLAS to test fuel for Kairos SMR

Netherlands research institute NRG PALLAS has signed a contract with US-based Kairos Power to assess materials and fuels that will be used in the small modular reactors (SMRs) Kairos is developing to power Google data centres.

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