{"id":203444,"url":"https://alion.io/job/kairospower-nuclear-engineering-internship-summer-2027","title":"Nuclear Engineering Internship - Summer 2027","company":{"id":97164,"name":"Kairos Power","domain":"kairospower.com","url":"https://alion.io/company/kairospower","size_band":"201-500","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":76,"open_postings":8,"ghost_share":0,"stale_share":0.75,"repost_share":0,"time_to_fill_p50_days":85,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Energy","role_family":"Energy","seniority":"intern","employment_type":"internship","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Alameda, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":105000,"max_usd":242000,"period":"year","method":null,"sample_n":565},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Fortran","optional":false},{"name":"MATLAB","optional":false},{"name":"Microsoft Office","optional":false},{"name":"Outlook","optional":false},{"name":"Python","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-07-23T22:04:30Z","employer_posted_date":"2026-09-23","last_verified_at":"2026-11-08T15:03:16Z","board_verified":true,"closed_at":null,"days_open":107,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":107},"description":"Company Overview\nKairos 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.\nPlease note: This is a pipeline posting for anticipated Summer 2027 internship opportunities. Applications will be reviewed on an ongoing basis as internship positions are approved and hiring needs are identified.\nJob Summary\nKairos 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.\nInterns 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.\nAreas with potential internship opportunities: \nCore Design (Radiation Transport and Shielding Design, Radiation Detection, Reactor Physics (Neutronics and Thermal Hydraulics), and Fuel Cycle Analysis) \nThermal and Safety Methods - KP-SAM Code Development\nFuel Performance - KP-BISON \nSource Term Modeling Development\nStructural Materials Analysis\nComputational Fluid Dynamic (CFD) Methods and Analysis \nNuclear Critical/Safety Analysis\nLicensing Engineering\nOverall Analysis support such as Piping and Layout Analysis and Thermal Design and Rapid Technology Development Analysis \nGeneral Responsibilities\nSupport the design, development, verification, and validation of analytical tools, computational models, and engineering methods supporting reactor safety and performance analyses.\nPerform 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.\nAssist with research and technology development projects focused on improving reactor safety, performance, efficiency, and commercialization.\nSupport verification and validation of engineering models through comparison with experimental data, benchmark problems, or reference solutions.\nAnalyze engineering data and prepare technical documentation supporting engineering decisions and technology development.\nCollaborate with multidisciplinary engineering teams to solve complex technical challenges and support project objectives.\nPrepare technical reports, engineering calculations, presentations, and project documentation to communicate technical results and recommendations.\nParticipate in technical reviews, team meetings, and cross-functional discussions to broaden understanding of multidisciplinary reactor engineering.\nEngage in training, mentorship, and continuous learning opportunities to strengthen technical and professional development.\nMaintain accurate engineering documentation and organized project records supporting knowledge transfer and engineering quality.\nFollow established engineering practices, safety procedures, and quality requirements throughout assigned work.\nPerform other duties as assigned.\nQualifications\nCurrent 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.\nDemonstrated application of technical skills outside of the classroom through laboratory work, research, extracurricular projects, personal projects, or prior internship/work experience is highly preferred.\nFamiliarity with engineering analysis, computational modeling, or scientific computing tools. Experience with Python, MATLAB, or other programming languages is preferred.\nExposure to physics-based modeling through coursework or research involving neutronics, thermal hydraulics, structural mechanics, CFD, or related technical areas.\nProficiency with Microsoft Office applications (Outlook, Excel, Word, PowerPoint, etc.).\nSelf-starter, critical thinking and problem-solving skills\nProven team player with excellent verbal, written communication/presentation, and interpersonal skills\nAbility to work with highly collaborative team\nAbility to solve problems quickly and efficiently\nPrioritizes and ensures safety of oneself and others\nAbility to proactively collect, manage and transfer knowledge\nAbility to seek different and novel ways to create efficiencies when working on problems, challenges and issues\nKnowledge, Skills and Abilities\nWorking knowledge of nuclear engineering, mechanical engineering, materials science, or related engineering principles acquired through academic coursework, laboratory experience, research projects, or prior internship experience.\nUnderstanding of engineering fundamentals including reactor physics, heat transfer, fluid mechanics, thermodynamics, structural mechanics, radiation transport, or related engineering disciplines applicable to assigned work.\nAbility to apply analytical thinking and engineering fundamentals to solve technical problems with guidance from experienced engineers.\nFamiliarity with scientific computing, computational modeling, numerical methods, and engineering simulation tools.\nBasic understanding of verification and validation principles for engineering analyses and computational models.\nAbility to collect, organize, analyze, and interpret engineering and experimental data to support technical decision-making.\nAbility to develop clear, accurate, and organized engineering documentation including technical reports, engineering calculations, and presentations.\nFamiliarity with programming or scripting languages such as Python, MATLAB, C++, Fortran, or similar engineering software tools is desirable.\nStrong attention to detail with the ability to produce accurate, organized, and high-quality technical work.\nEffective verbal, written, and interpersonal communication skills with the ability to collaborate across multidisciplinary engineering teams.\nDemonstrated initiative, curiosity, and willingness to learn new engineering concepts, computational methods, software tools, and reactor technologies.\nStrong organizational and time management skills with the ability to manage multiple assignments and meet project deadlines.\nAbility to adapt to changing priorities in a fast-paced engineering and research environment.\nCommitment to safety, integrity, continuous learning, and professional development.\nAbility to proactively document, organize, and share technical knowledge with teammates and mentors.\nPhysical Conditions\nRemaining in a stationary position, often standing, or sitting for prolonged periods\nCommunicating with others to exchange information\nEnvironmental Conditions\nGeneral office environment\nAccessing the accuracy, neatness and thoroughness of the work assigned\nHigh-concentration, demanding and fast-paced\nSafety and PPE \nReading and interpreting hazardous warning signs\nReporting issues with equipment or unsafe conditions\nWearing proper PPE, to include face mask, face shields, gloves, safety shoes\nThe hourly range for this position is $31-35 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.\nAbout our Benefits\nWe 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:\nCompetitive compensation packages\nMedical, dental and vision benefits for employees and their dependents\nPaid Vacation\n401(k) and pre-tax health insurance, dependent care, and commuter benefits (FSA)\nKairos 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.\nKairos Power participates in E-Verify.\nCandidates only, no recruiters or agencies please.\nNote: 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. 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