JobsMechanical EngineerUnited StatesPrincipal Mechanical Engineer, Fuel Handling Equipment

Kairos Power

Posted 5 days ago · Jobs at Kairos Power

Principal Mechanical Engineer, Fuel Handling Equipment

Kairos Power · Oakridge, Tennessee, United States

Full-timeOn site5-10 yrsListed as no visa sponsorshipUtilities
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In short

The engineer will provide technical leadership for the deployment, testing, and assembly of fuel handling equipment at the Tennessee site. They will design and test prototype assemblies while collaborating with cross-functional teams to ensure successful commissioning and operation.

What they're looking for

MUST-HAVE SKILLS

Mechanical designElectromechanical systemsSolidWorksMechatronicsMotor controlSensor integrationPrototypingTesting

ALSO MENTIONED

Mechanical EngineeringFuel Handling EquipmentNuclear EnergyFHRElectromechanical SystemsSolidWorksPrototypingMechatronicsMotor ControlSensor Integration

Candidates must hold a degree in mechanical engineering with relevant experience in electromechanical equipment development and testing. Proficiency in SolidWorks and experience with complex mechanical systems in regulated environments are required.

About the employer

Kairos Power

Kairos Power was founded to accelerate the development of innovative nuclear technology.

Kairos Power has a mission to enable the world’s clean energy transition to improve people’s quality of life while protecting the environment.

Read more

We are an engineering company focused on the delivery of a clean, affordable and safe energy solution through the integrated design, licensing and demonstration of advanced reactor technology. Growing from a broad research effort at U.S. universities and national laboratories, Kairos Power was founded to accelerate the development of an innovative nuclear technology that has the potential to transform the energy landscape in the United States and internationally. Kairos Power is focused on reducing technical risk through a novel approach to test iteration often lacking in the nuclear space. Our schedule is driven by the goal of a U.S. demonstration plant before 2030 and a rapid deployment thereafter. The challenge is great, but so too is the opportunity.

INDUSTRY
Utilities
COMPANY
Privately Held
FOUNDED
2016
HEADQUARTERS
Alameda, California
SIZE
501-1,000on LinkedIn
OFFICES
4 on LinkedIn
OPEN HERE
2 roles

KNOWN FOR

EngineeringNuclearNuclear EngineeringMechanical EngineeringReactorClean Energy

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Questions about this role

Is this Kairos Power role remote?
Tagged on site.
Does it sponsor visas?
Listed as no visa sponsorship.
What experience does it ask for?
Listed as 5-10 years.

The posting, in full

Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy, with the ultimate goal to dramatically improve people’s quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables.

▶ READ THE FULL POSTING

Company Overview

Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the world’s transition to clean energy, with the ultimate goal to dramatically improve people’s quality of life while protecting the environment. This goal will be accomplished through the commercialization of the fluoride-salt-cooled, high-temperature reactor (FHR) that can be deployed with robust safety, affordable costs, and flexible operation to accommodate the expansion of variable renewables.

Job Summary

Kairos Power is seeking a highly motivated Principal Fuel Handling Equipment Testing Engineer with technical expertise relevant to design, development, testing and manufacturing of automated systems for fuel handling and storage equipment.

The engineer will apply specialized mechanical and electromechanical expertise to advance prototype and equipment testing, develop remote handling capabilities, and resolve complex issues during assembly, startup, and commissioning. Working closely with engineering, operations, maintenance, assembly teams, and suppliers, the engineer will guide assigned technical activities at the assigned site and serve as a technical resource for fuel handling equipment development and testing.

The successful candidate will be a critical member of the KP-FHR fuel handling and storage system.

Responsibilities

  • Provide technical leadership for the deployment, testing, assembly, and development activities of the fuel handling team at the Tennessee site.
  • Design, build, and test prototype assemblies to demonstrate concept functionality and performance in prototypic conditions.
  • Design and build testing platforms, for the exploration of design features or operations that require maturation.
  • Lead the development of remote handling features, tools, and operations for fuel handling components in collaboration with operations and maintenance teams.
  • Collaborate with operations and the assembly team to create assembly plans, testing requirements, operations, and procedures.
  • Generate 3D design layouts and 2D drawings for electro-mechanical equipment, including the desired interface with the nuclear vessel head and other locations in the primary system.
  • Create or direct the creation of manufacturing drawings for KP-FHR custom fuel handling equipment, and other moving components, and coordinate fabrication with internal manufacturing teams and suppliers.
  • Contribute to make/buy analyses, supplier selections, and the development of manufacturing plans.
  • Generate detailed verification and acceptance test plans for all standard and custom components.
  • Provide on-site technical support for the operation and troubleshooting of custom components during startup and commissioning.

Qualifications

  • Bachelor’s degree in mechanical engineering and 8+ years of relevant experience in mechanical or electromechanical equipment development, testing, deployment, or commissioning; or master’s degree in mechanical engineering and 5+ years of relevant experience; or PhD in mechanical engineering and 3+ years of relevant experience; or an equivalent combination of education and experience may be considered.
  • Experience performing hands-on prototyping and testing of novel electromechanical systems.
  • Experience designing equipment for nuclear, energy, chemical, petrochemical, defense, or aerospace, or other applications with comparable technical requirements.
  • Experience using SolidWorks to develop equipment models and engineering drawings.

Knowledge, Skills & Abilities

  • Applied knowledge of mechanical design principles, mechatronics, motor control, and sensor integration for custom electromechanical equipment.
  • Knowledge of design considerations for motorized systems intended for radiation environments.
  • Knowledge of engineering drawing practices, dimensional tolerancing, fits, clearances, and alignment requirements for mechanical assemblies.
  • Knowledge of manufacturing and assembly processes and their application to equipment design and fabrication.
  • Knowledge of design for maintenance strategies, tooling and handling design, and operations development for maintenance periods.
  • Ability to define and coordinate mechanical interfaces with electrical, instrumentation, and controls components.
  • Ability to design prototype assemblies and test platforms, including consideration of high-temperature operating conditions and associated equipment hazards.
  • Ability to translate equipment requirements into verification and acceptance test methods and measurable acceptance criteria.
  • Ability to analyze test data, troubleshoot complex equipment problems, and develop and verify corrective design changes.
  • Ability to independently execute assigned technical work and guide contributors in sensor and motor system development.
  • Ability to collaborate with project managers, engineers, operators, technicians, designers, and suppliers to resolve design, fabrication, assembly, and testing issues.
  • Ability to communicate design decisions and technical findings clearly through engineering documentation, test reports, and technical discussions.
  • Ability to check models, drawings, and test documentation for accuracy, completeness, and consistency with equipment requirements.
  • Ability to work collaboratively with others including, but not limited to Project Managers, Engineers, operators, technicians and designers in a multi-discipline project team environment.
  • Excellent written and verbal communication skills.
  • Strong analytical and problem-solving skills, and attention to detail.

Environmental Conditions

  • General office environment
  • Noisy environments
  • Prototyping/Testing environment
  • Manufacturing/Industrial Environment
  • Laboratory environment

Safety and PPE

  • Reading and interpreting hazardous warning signs
  • Manipulating, cleaning and disposal of hazardous materials
  • Reporting issues with equipment or unsafe conditions
  • Wearing proper PPE, to include face mask, face shields, gloves, safety footwear, and other PPE as required

Travel

  • Some travel may be required (10%)

Additional Requirements

  • Occasionally requires schedule flexibility.
  • Occasionally requires extended hours to support critical project timelines, fabrication activities, testing, or deployment milestones.

#LI-Onsite

About our Benefits

We know that we have some of the most talented and dedicated employees, and we believe in rewarding them accordingly. If you work here, full-time employees (excludes interns) expect to have access to the benefits below:

  • Competitive compensation packages
  • Medical, dental and vision benefits for employees and their dependents
  • Paid Vacation
  • 401(k) and pre-tax health insurance, dependent care, and commuter benefits (FSA)

Kairos Power is committed to building a diverse workforce that reflects the communities where we do business. Kairos Power is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We actively welcome people of different experiences, abilities, and perspectives.

Kairos Power participates in E-Verify.

Candidates only, no recruiters or agencies please.

Note: You are applying for a position that is located in a facility that handles information that is subject to export control restrictions by the Department of Energy under 10 CFR Part 810. To work in this facility, you need to be authorized by the Department of Energy to access Part 810-controlled information. Foreign nationals who are citizens of countries that are not on the Department of Energy’s general authorization list (link below) are not permitted to work in our facility unless the Department of Energy issues an export control license to the company to permit that individual to have access to Part 810-controlled information. The following questions are intended to determine the licensing requirements that may apply. https://www.law.cornell.edu/cfr/text/10/appendix-A_to_part_810

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This listing comes from Kairos Power's own careers site. Apply links go to the employer. Company facts are from Kairos Power's public profile. Last checked 5 Nov 2026.