Full-Time

Principal Engineer

Power Generation System

Posted on 12/20/2024

Kairos Power

Kairos Power

501-1,000 employees

Designs, licenses, and demonstrates advanced reactors

Compensation Overview

$166.7k - $208.4k/yr

Alameda, CA, USA

In Person

US Citizenship, US Top Secret Clearance, Canada Citizenship, Canada Top Secret Clearance, UK Citizenship, UK Top Secret Clearance Required

Category
Software Engineering (1)
Requirements
  • MS or PhD degree in Nuclear Engineering, Mechanical Engineering, or a related field
  • 15+ years of experience in the design and development of power conversion systems, particularly in the nuclear or thermal power sectors
  • Demonstrated experience in managing complex engineering projects and leading technical teams, with thorough understanding of evaluation, design, and licensing of a new technology
  • Experience with heat transport systems using molten salt or other high temperature fluids is a plus
  • Track record of physical hardware deployment is a plus
  • Strong understanding of thermodynamics, fluid mechanics, and heat transfer principles as they relate to steam cycles
  • Knowledge of regulatory requirements and industry standards for nuclear power systems
  • Proficiency in engineering simulation and analysis software (e.g., Aspen Plus, Thermoflex, etc.)
  • Excellent analytical and problem-solving skills, with a track record of optimizing system performance
  • Strong communication and interpersonal skills, with the ability to convey technical information to varied audiences
  • Ability to foster an environment that creates new and better ways to be successful
  • Excellent communication/presentation, and interpersonal skills; must be able to interact and communicate effectively at all levels of the organization, and with external partners
  • Ability to work with highly collaborative team
  • Ability to solve problems quickly and efficiently
  • 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
  • Design and develop the Power Generation System, focusing on steam cycle, turbine, condenser, and related auxiliary systems options that meet Kairos Power’s FHR deployment objectives
  • Lead design trades, performance analyses and optimization of the steam cycle to maximize efficiency and output
  • Collaborate with cross-functional teams to integrate the PGS with overall plant design and operations
  • Manage and coordinate external partners, suppliers, regulators and vendors in the area of power generation
  • Oversee the preparation of technical specifications, design documents, and system drawings for all PGS components
  • Perform feasibility studies and risk assessments related to power conversion technologies and systems
  • Mentor and guide engineering team, promoting professional growth and innovation in power conversion solutions
  • Present findings and recommendations to senior management and stakeholders, ensuring clear communication of technical concepts and strategies
  • Support commissioning, testing, and troubleshooting of the PGS during the plant's startup phase
  • Stay abreast of industry advancements, best practices, and emerging technologies in power conversion and nuclear energy
  • 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-TVA deal secures 50 MWe offtake for Hermes 2 by 2030.
  • DOE Nuclear Dominance program accelerates TRISO fuel supply by 2033.
  • BWXT partnership scales commercial TRISO production for deployments.

What critics are saying

  • Hermes 1 completion slips to 2029, delaying Hermes 2 operations.
  • TerraPower's 42-month Wyoming reactor steals Google data center contracts.
  • NRG PALLAS tests expose TRISO cracking, forcing NRC redesigns.

What makes Kairos Power unique

  • KP-FHR uses TRISO pebble fuel and Flibe salt coolant from Oak Ridge origins.
  • First NRC-permitted power-producing Gen IV reactor with Hermes 2.
  • Factory-built modules from Albuquerque campus enable modular SMR assembly.

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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

2%

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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