
Principal Engineer, Structural Integrity (m/w/d)

Kairos Power
Company Overview
Kairos Power
Alameda, California, United States
2016
Business Model
Energy
Development of advanced nuclear reactor technology
Government contracts, private investments, and partnerships
Locations & Geography
United States, Canada, United Kingdom, Germany, Japan
Company Culture
Their mission is to provide safe, clean, and affordable energy through advanced nuclear technology.
They promote a collaborative and innovative work environment focused on engineering excellence.
They offer training programs and opportunities for professional growth.
Activities & Projects
They are currently developing the KP-X reactor, a new type of advanced nuclear reactor.
They focus on innovative safety features and efficient energy production methods.
They are committed to reducing carbon emissions and promoting sustainable energy solutions.
Career Opportunities
Typical job openings include engineering, research, and project management positions.
They offer competitive salaries, health benefits, and flexible work arrangements.
Contact Information
Last updated on 2025-01-31 | Report an issue
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
Reporting to the Manager, Structural Integrity & Materials Modeling, the Principal Engineer, Structural Integrity of Metallic Systems, Structures & Components (SSCs) will drive the development and deployment of novel analysis methods and numerical models used for the design, licensing and operation of the Kairos Power fluoride salt-cooled, high-temperature reactors (KP-FHRs). They will also closely support the Materials and Engineering Design teams with ongoing and future qualification testing, design-for-construction and fitness-for-service programs.
Responsibilities
- Lead the extension and application of structural integrity assessment methods and procedures to future commercial FHR units
- Conduct and review defect tolerance (DTA) and fitness-for-service (FFS) assessments of KP-FHR SSCs
- Support the company’s design-for-construction and materials qualification efforts by performing and reviewing Finite Element Analysis (FEA) of metallic SSCs
- Lead the development, verification and validation of deformation and damage models of high carbon stainless steels
- Collaborate cross-functionally with various engineering teams on efforts such as uncertainty quantification (UQ), software Quality Assurance (SQA), software and hardware acquisition, and support of management and work program leadership in meeting company’s licensing milestones and deliverables
- Other duties as assigned
Qualifications
- MS or PhD degree in Mechanical, Nuclear, or Materials Engineering, Materials Science, Applied Mathematics, or related field strongly preferred
- 15+ years of experience with FEA required; APDL & Usermat (Ansys) or UMAT (Abaqus) experience strongly preferred
- Knowledge of inelastic deformation and failure mechanisms of ductile structural components operating at high temperature and under irradiation required and preferred, respectively
- Knowledge of Fracture Mechanics is required; Experience in application and knowledge of Construction and Fitness-for-Service codes (e.g., ASME III & XI, API 579, UK R5/R6, BS-7910, RCC-MRx) is preferred
- Working experience with scientific & scripting programming languages (e.g., C++, Fortran, Python and Matlab)
- Working experience with model calibration and optimization techniques as well uncertainty quantification
- Ability to function in a fast-paced company environment with minimal direction and adjust workload based upon changing priorities
- Proven team player with excellent interpersonal, written, presentation, and verbal communication skills
- Ability to work with highly collaborative team
- Ability to problem solve quickly and efficiently
- 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
- Prioritizes and ensures safety of oneself and others
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
- Noisy environments (if visiting manufacturing areas to collaborate)
- Accessing the accuracy, neatness and thoroughness of the work assigned
- High-concentration, demanding and fast-paced
- Autonomously driven and demanding atmosphere
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, as required
The salary range for this position is $166,700 to $208,400 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.
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. link
About the role
July 12, 2025
Hybrid
USD 167k–208k yearly
- Alameda, California, United States
15+ years
UTC-08:00
Apply now
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