Computational Fluid Dynamics (CFD) Engineering Intern Summer 2026

Company Overview

Kairos Power is a new nuclear energy technology and engineering company whose mission is to enable the worlds transition to clean energy with the ultimate goal to dramatically improve peoples 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 isseekinga highly motivated multi-skilled intern with experience in Computational Fluid Dynamics (CFD)modeling heattransferand validation. This role will be part of the Modeling and Simulation CFD team which supportsmethodologydevelopment engineering design and testing programs for the KP-FHR and associated components through thermal-hydraulic analysis with a specialization in rolewillperform CFD validation benchmarking to further develop modeling methodologies. This will include building CFD models of test facilities running and post processing the simulations for test conditions organization and performing test data analysis performing benchmark comparisons and supporting the development and maturation of CFD position requires a strong self-starting mentality and the ability to develop and deploy novel solutions in support of the company mission.

Responsibilities

• Develop CFD models of high-temperature test systemsmodeling heat transfer natural convection radiation melting and fluid flow.
• Perform validation of CFD with in-house produced experiment data.
• Collaborate with test and facility operations engineers in the production and post processing of test data to be used for CFD model validation.
• Mature document and recommend improvementsto CFD modeling methodologies based on validation results.
• Develop andmaintainautomation scripts that take inputs from various sources perform post-processing analyses of input data andgenerateapplicable report files.
• Present validation results and CFD modeling methodology findings through technical documents and oral presentations.
• Collaborate with and communicate results to various teams including Reactor Systems Design Core Design CFD Safety Analysis and Testing teams.
• Other duties as assigned.

Qualifications

• Currently enrolled in a BS MS or PhD program inNuclear MechanicalEngineering or equivalent
• Experienceusing analytical and CFD tools to perform fluid and conjugate heat transfer analyses
• 2 years using commercial CFD tools; experience with Siemens STAR-CCM is preferred
• Experience with Solidworks or STAR-CCM 3D CAD is preferred
• Familiarity with high temperature simulations modeling natural convection and radiation is preferred
• Programming/scripting experience for automation and post-processing
• Coursework or experience in heat transfer and fluid mechanics

Knowledge Skills & Abilities

• Strong analytical and problem-solving skills
• Proficiency with CAD modeling
• Familiarity with verification validation and uncertainty quantification methods
• Excellent verbal written communication/presentation and interpersonal skills
• Understanding of nuclear reactor systems
• Ability to work with highly collaborative teams
• Ability to solve problems quickly and efficiently
• Prioritizes and ensures safety of one selfand 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

PhysicalDemands

• Remainingin a stationary position for prolonged periods
• Communicating with others to exchange information

Environmental Conditions

• General office environment
• Assessing the accuracy neatness and thoroughness of the work assigned
• High-concentration demanding and fast-paced

Safety and PPE

• Reading and interpreting hazardous warning signs
• Reporting issues with equipment or unsafe conditions
• Wearing proper PPE to include face mask face shields gloves safety shoes etc.

The hourly range for this position is $30-34 for employees working onsite at our Alameda CA headquarters. The range provided in this job posting represents the typical range or starting rate of candidates hired in California. Factors that may be used to determine your actual salary may include your education experience knowledge skills abilities the market data for your work location and a comparison to other employees already in the role.

#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 Energys 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. Experience:

Intern