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Mechanical Engineer, Reactor System Design

Kairos Power is a nuclear energy technology company focused on commercializing advanced fluoride-salt-cooled high-temperature reactors to support clean energy transition. They seek a Mechanical Engineer experienced in mechanical design, 3D modeling, stress analysis, and reactor system manufacturing to contribute to design and technology development of nuclear reactor systems.

Skills

  • Expertise in mechanical design and 3D CAD modeling
  • Proficiency with stress analysis and FEA simulation
  • Knowledge of ASME Boiler and Pressure Vessel Code (BPVC) and related codes
  • Familiarity with manufacturing processes like machining, forming, and welding
  • Strong analytical, problem-solving, and communication skills
  • Ability to work collaboratively in multidisciplinary teams

Responsibilities

  • Develop mechanical design information and document for major FHR systems and components
  • Perform design tradeoff and optimization studies
  • Create and update CAD models and engineering drawings with proper dimensioning and tolerancing
  • Conduct static and dynamic stress calculations using analytical and FEA methods
  • Maintain compliance knowledge with ASME, ANSI, and ASTM codes and standards
  • Apply solid mechanics and failure theories for high-temperature alloy steels or composites
  • Visualize design constraints related to construction, maintenance, and operation
  • Support manufacturing including DFM studies and reviewing inspection reports
  • Publish detailed technical documentation including calculations, analyses, and test reports

Education

  • Bachelor’s or Master’s degree in Mechanical Engineering or related field

Benefits

  • Competitive compensation package
  • Medical, dental, and vision coverage for employees and dependents
  • Paid vacation
  • 401(k) plan
  • Pre-tax health insurance, dependent care, and commuter benefits (FSA)
To read the complete job description, please click on the ‘Apply’ button
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CEO of Kairos Power
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Mike Laufer
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Average salary estimate

$133050 / YEARLY (est.)
min
max
$122300K
$143800K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

Our mission is to enable the world’s transition to clean energy, with the ultimate goal of dramatically improving people’s quality of life while protecting the environment.

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FUNDING
DEPARTMENTS
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$122,300/yr - $143,800/yr
EMPLOYMENT TYPE
Full-time, onsite
DATE POSTED
July 3, 2025

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