Nuclear Engineering Internship - Summer 2027

About this role

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 offering exciting opportunities for students to join our Nuclear Engineering organization for Summer 2027. This internship provides a unique opportunity to contribute to the development of the analytical tools, computational methods, and engineering infrastructure supporting the safety case for the Hermes Reactor and future commercial reactor fleet.

Interns will work alongside experienced engineers and scientists on meaningful technical projects involving reactor physics, thermal hydraulics, structural materials, computational modeling, licensing, and nuclear safety analysis. Contributions from each intern play an important role in advancing Kairos Power's mission to deliver innovative nuclear technology that addresses climate change.

Areas with potential internship opportunities:

• Core Design (Radiation Transport and Shielding Design, Radiation Detection, Reactor Physics (Neutronics and Thermal Hydraulics), and Fuel Cycle Analysis)

• Thermal and Safety Methods - KP-SAM Code Development

• Fuel Performance - KP-BISON

• Source Term Modeling Development

• Structural Materials Analysis

• Computational Fluid Dynamic (CFD) Methods and Analysis

• Nuclear Critical/Safety Analysis

• Licensing Engineering

• Overall Analysis support such as Piping and Layout Analysis and Thermal Design and Rapid Technology Development Analysis

General Responsibilities

• Support the design, development, verification, and validation of analytical tools, computational models, and engineering methods supporting reactor safety and performance analyses.

• Perform engineering analyses and computational modeling related to assigned technical focus areas such as reactor physics, radiation transport, thermal hydraulics, structural mechanics, computational fluid dynamics, or nuclear safety.

• Assist with research and technology development projects focused on improving reactor safety, performance, efficiency, and commercialization.

• Support verification and validation of engineering models through comparison with experimental data, benchmark problems, or reference solutions.

• Analyze engineering data and prepare technical documentation supporting engineering decisions and technology development.

• Collaborate with multidisciplinary engineering teams to solve complex technical challenges and support project objectives.

• Prepare technical reports, engineering calculations, presentations, and project documentation to communicate technical results and recommendations.

• Participate in technical reviews, team meetings, and cross-functional discussions to broaden understanding of multidisciplinary reactor engineering.

• Engage in training, mentorship, and continuous learning opportunities to strengthen technical and professional development.

• Maintain accurate engineering documentation and organized project records supporting knowledge transfer and engineering quality.

• Follow established engineering practices, safety procedures, and quality requirements throughout assigned work.

• Perform other duties as assigned.

Qualifications

• Current student enrolled in and pursuing a Bachelor's, Master's, or Ph.D. degree in Nuclear Engineering, Mechanical Engineering, Materials Science, Engineering Science, Chemical Engineering, or a related field with an emphasis in nuclear reactor applications.

• Demonstrated application of technical skills outside of the classroom through laboratory work, research, extracurricular projects, personal projects, or prior internship/work experience is highly preferred.

• Familiarity with engineering analysis, computational modeling, or scientific computing tools. Experience with Python, MATLAB, or other programming languages is preferred.

• Exposure to physics-based modeling through coursework or research involving neutronics, thermal hydraulics, structural mechanics, CFD, or related technical areas.

• Proficiency with Microsoft Office applications (Outlook, Excel, Word, PowerPoint, etc.).

• Self-starter, critical thinking and problem-solving skills

• Proven team player with excellent verbal, written communication/presentation, and interpersonal skills

• 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

Knowledge, Skills and Abilities

• Working knowledge of nuclear engineering, mechanical engineering, materials science, or related engineering principles acquired through academic coursework, laboratory experience, research projects, or prior internship experience.

• Understanding of engineering fundamentals including reactor physics, heat transfer, fluid mechanics, thermodynamics, structural mechanics, radiation transport, or related engineering disciplines applicable to assigned work.

• Ability to apply analytical thinking and engineering fundamentals to solve technical problems with guidance from experienced engineers.

• Familiarity with scientific computing, computational modeling, numerical methods, and engineering simulation tools.

• Basic understanding of verification and validation principles for engineering analyses and computational models.

• Ability to collect, organize, analyze, and interpret engineering and experimental data to suppor

Similar jobs

• Senior Nuclear Engineer — Antares · Los Angeles
• Senior Nuclear Engineer — Radiant-industries · El Segundo, CA
• Senior Nuclear Facility Engineer — Kairospower · Remote
• Manager, Nuclear Engineering — Helion · Everett, WA
• Senior Program Manager - New Nuclear — Npx · Remote
• Nuclear Engineer — Radiant-industries · El Segundo, CA
• Lead Nuclear Engineer — Radiant-industries · El Segundo, CA
• Senior Nuclear Criticality Safety Engineer — Oklo · Remote