Kairos Power Logo

Kairos Power

KP-SAM Code Development Engineering Intern - Summer 2026

Posted 7 Days Ago
Be an Early Applicant
Easy Apply
In-Office or Remote
2 Locations
32-34 Hourly
Internship
Easy Apply
In-Office or Remote
2 Locations
32-34 Hourly
Internship
As a Code Development Intern, you will assist with the KP-SAM code development, focusing on software development, safety analysis, and V&V of numerical models for the KP-FHR design.
The summary above was generated by AI

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 Systems Code Developer Intern with experience relevant to software development, safety analysis, and verification and validation (V&V) of numerical models. In this role, you will contribute to the development of KP-SAM code, an advanced thermal hydraulic and radioactive source term system simulation code for the Kairos Power Fluoride Salt-Cooled High Temperature Reactor (KP-FHR) design. The code will be used by Kairos Power safety analysts to perform all safety related transient analyses and by other teams for design analysis and simulation. Your contributions will include the assessment and development of new models and methods, verification and validation, and documentation. KP-SAM is based on Argonne National Lab developed SAM code.  

Responsibilities 

  • Assess new models and features, and add additional minor improvement and enhancement.
  • Verify and validate the developed model, and demonstrating its use in relevant transient scenarios.
  • Document the newly developed models in theory manual, assessment report, and user manual.
  • Support broader KP-SAM development activities, including troubleshooting, defect resolution, and code maintenance under guidance from the team.
  • Other duties as assigned. 

Qualifications 

  • Currently pursuing Masters or PhD Nuclear Engineering, Mechanical Engineering, or related field 
  • Programming experience:  C/C++, Git, FORTRAN, LaTeX
  • Experience with DOE MOOSE framework a plus
  • Experience with system analysis codes, SAM, RELAP, SASYYS a plus
  • Demonstrated coursework or experience in numerical methods, thermal-fluids/heat transfer, or computational modeling is preferred. 

 Knowledge, Skills & Abilities 

  • Knowledgeable of nuclear reactor system analysis
  • Working knowledge of software development workflows to support controlled changes
  • Strong analysis skill
  • An excellent technical communicator: Actively listen for and identify the team’s needs, anticipate priorities and keep the team apprised of relevant information
  • Ability to work with a 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 

 Physical Conditions 

  • Remaining in a stationary position, often standing, or sitting for prolonged periods
  • Moving about to accomplish tasks or moving from one worksite to another
  • Communicating with others to exchange information 

Environmental Conditions 

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

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 rate for this position is $32-34 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 maybe used to determine your actual salary may include your education, experience, knowledge, skills, ability and the market data for your work location, and a comparison to other employees already in the role.  

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

Top Skills

C/C++
Doe Moose Framework
Fortran
Git
Latex
Relap
Sam
Sasyys
HQ

Kairos Power Alameda, California, USA Office

707 W Tower Ave, Suite A, Alameda, CA, United States, 94501

Similar Jobs

26 Minutes Ago
Remote or Hybrid
4 Locations
105K-163K Annually
Expert/Leader
105K-163K Annually
Expert/Leader
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
Responsible for selling enterprise security software solutions, driving revenue growth by acquiring new clients, ensuring customer onboarding, and collaborating with internal teams for account success.
Top Skills: Crm SoftwareMarketing Software
27 Minutes Ago
Remote or Hybrid
USA
125K-180K Annually
Senior level
125K-180K Annually
Senior level
Cloud • Computer Vision • Information Technology • Sales • Security • Cybersecurity
The Senior Business Analyst will optimize Lead-to-Order and Contract Lifecycle Management processes using Salesforce, lead projects and drive process improvements.
Top Skills: Salesforce
An Hour Ago
Easy Apply
Remote or Hybrid
2 Locations
Easy Apply
166K-220K Annually
Senior level
166K-220K Annually
Senior level
Artificial Intelligence • Information Technology • Machine Learning • Natural Language Processing • Productivity • Software • Generative AI
Lead technical relationships with partners, guiding workshops and developing POCs to enhance platform adoption and joint value creation.
Top Skills: Software EngineeringSolution Architecture

What you need to know about the San Francisco Tech Scene

San Francisco and the surrounding Bay Area attracts more startup funding than any other region in the world. Home to Stanford University and UC Berkeley, leading VC firms and several of the world’s most valuable companies, the Bay Area is the place to go for anyone looking to make it big in the tech industry. That said, San Francisco has a lot to offer beyond technology thanks to a thriving art and music scene, excellent food and a short drive to several of the country’s most beautiful recreational areas.

Key Facts About San Francisco Tech

  • Number of Tech Workers: 365,500; 13.9% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Google, Apple, Salesforce, Meta
  • Key Industries: Artificial intelligence, cloud computing, fintech, consumer technology, software
  • Funding Landscape: $50.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Sequoia Capital, Andreessen Horowitz, Bessemer Venture Partners, Greylock Partners, Khosla Ventures, Kleiner Perkins
  • Research Centers and Universities: Stanford University; University of California, Berkeley; University of San Francisco; Santa Clara University; Ames Research Center; Center for AI Safety; California Institute for Regenerative Medicine

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account