--- title: 'Principal Engineer, Heat Transport System at Kairos Power' canonical: 'https://feeny.ai/job/principal-engineer-heat-transport-system-kairos-power-alameda-t27e8fxmngks' type: 'job' last_seen: '2026-09-08' --- # Principal Engineer, Heat Transport System at Kairos Power - **Company:** Kairos Power - **Location:** Alameda, CA / Albuquerque, NM / Oak Ridge, TN - **Work type:** remote - **Posted:** 2026-07-15 - **Last confirmed live:** 2026-09-08 - **Apply:** https://job-boards.greenhouse.io/kairospower/jobs/5743105004 ## Job description 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 We are seeking an experienced Principal or Distinguished Engineer to lead the technical deployment of KP-FHR heat transport system equipment, including integration of commercial molten salt steam generators, salt pumps, valves, and associated equipment. Reporting to the Senior Manager, Engineering Integration, you will develop technical design solutions to enable the rapid deployment and integration of KP-FHR Power Generation Systems (PGS) Structures, Systems and Components (SSCs). This role requires a leader with extensive experience in thermal systems and power conversion technologies to ensure efficient, safe and reliable operation of the plant's energy conversion processes. ## Responsibilities - Design and deploy the Nuclear Heat Recovery Steam Generator (NHRSG), focusing on molten salt steam generators, salt pumps, valves, and related auxiliary systems that meet Kairos Power’s FHR deployment objectives. - Lead design trades, performance analyses and optimization of the NHRSG to meet commercial and regulatory needs. - Collaborate with cross-functional teams to integrate the NHRSG with overall plant design and operations. - Manage and coordinate external partners, suppliers, regulators and vendors in the area of power generation. - Oversee the preparation of technical specifications, design documents and system drawings for all NHRSG components. - Perform feasibility studies and risk assessments related to commercial molten salt technologies and subsystems. - Support building a small engineering team including mentoring, guiding and promoting professional growth and innovation in molten salt system solutions. - Present findings and recommendations to senior management and stakeholders, ensuring clear communication of technical concepts and strategies. - Support commissioning, testing and troubleshooting of the NHRSG during the plant's startup phase. - Stay abreast of industry advancements, best practices and emerging molten salt technologies. - Lead or support formal design reviews, interface reviews, hazard reviews, and technical readiness reviews for NHRSG components and subsystems. - Support supplier technical oversight, including review of supplier deliverables, technical deviations, test plans, and component qualification evidence. - Develop or maintain system requirements, interface control documents, design bases, and verification/validation plans for NHRSG components. - Other duties as assigned. ## Qualifications - M.S. degree in Mechanical Engineering, Nuclear Engineering or a related field. - M.S. & 10+ years experience in the design and development of power conversion systems, particularly in the nuclear or thermal power sectors. - Demonstrated experience in managing complex engineering projects and leading technical teams, with thorough understanding of evaluation, design and licensing of a new technology. - Demonstrated experience of physical hardware deployment in heat transfer systems. - Experience with heat transport systems using molten salt or other high temperature fluids is a plus. - Experience with requirements management, systems engineering or design control processes for complex engineered systems. - Experience reviewing or developing technical specifications, procurement documents, test plans, or acceptance criteria for major equipment. Knowledge, Skills & Abilities - Strong understanding of heat transfer principles, thermodynamics and fluid mechanics as they relate to molten salt systems. - Knowledge of regulatory requirements and industry standards for molten salt systems.  Experience with nuclear-specific or concentrating solar power applications are a plus. - Excellent analytical and problem-solving skills, with a track record of optimizing system performance in novel applications. - Excellent communication, presentation, and interpersonal skills; must be able to interact and communicate effectively at all levels of the organization including external partners. - Ability to work with a highly collaborative team. - Ability to solve problems quickly and efficiently. - Prioritizes and demonstrates a nuclear safety culture. - 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 of system integration, interface management and verification/validation practices. - Ability to apply safety, quality and configuration management principles to engineering design activities. Physical Demands - 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. - 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 personal protective equipment (PPE), such as face mask, face shields, gloves, safety glasses, safety shoes, hard hats, or other PPE as required. Travel - Some travel may be required, up to 25% Additional Requirements - Requires occasional schedule flexibility. - Requires occasional extended hours to support testing, commissioning and critical project timelines. The salary range for this position is $175,000 - $218,000 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. - Remote: #LI-Remote - Hybrid: #LI-Hybrid - Onsite: #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 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 ## About Kairos Power ## Company Overview - **One-liner**: Kairos Power is developing fluoride salt–cooled high‑temperature reactors (KP‑FHR) to deliver safe, affordable, and reliable clean energy at commercial scale. - **Entity Type**: Private (Venture‑backed startup) - **Headquarters**: Alameda, California, USA - **Founded**: 2016 - **Founders**: Mike Laufer (CEO, Co‑Founder) and Edward Blandford (CTO, Co‑Founder) [kairospower.com/about](https://www.kairospower.com/about) ## Core Business - **Primary industries**: Advanced nuclear energy, clean‑energy technology, vertical manufacturing. - **Target customers**: B2B – utilities (e.g., TVA), large‑scale energy buyers (e.g., Google), power generators, grid operators. - **Mission / purpose**: “To deliver reliable, affordable energy at scale” while combating climate change by reimagining the entire energy system. [kairospower.com](https://www.kairospower.com/) ## Products & Services - **KP‑FHR (fluoride salt–cooled high‑temperature reactor)**: The core technology – a next‑generation nuclear reactor that uses molten‑salt coolant and TRISO‑based pebble fuel. It is designed for competitive baseload power without carbon emissions. - **Hermes Demonstration Reactors**: - **Hermes 1**: The first non‑water‑cooled reactor to receive an NRC construction permit. Now under construction in Oak Ridge, TN. - **Hermes 2**: A commercial‑scale demonstration plant that will supply electricity to the grid. - **In‑house manufacturing**: Kairos Power builds reactor components, fuel, molten salt, and plant equipment internally to control quality, cost, and schedule. Facilities in Albuquerque, NM produce modular systems and perform salt production, TRISO fuel and pebble fabrication. - **Engineering Test Units (ETU)**: Iterative non‑nuclear test rigs (ETU 2, ETU 3) used to validate systems, reduce risk, and fine‑tune technology before nuclear operation. ## Market Standing - **Valuation**: Not publicly available in provided sources. - **Key metric**: **Headcount >500** (as of 2025/2026); **Total funding** – not disclosed in provided sources. - **Notable investors & partners**: Google (world’s first corporate agreement for multiple advanced reactor deployments – up to 500 MW by 2035), Tennessee Valley Authority (TVA), KP‑OMADA alliance (North American nuclear utilities and generating companies). [kairospower.com/our-approach](https://www.kairospower.com/our-approach) - **Growth signals**: - First nuclear company ever named a **BloombergNEF Pioneer**. - Recognized **six times as a Forbes Best Startup Employer**. - Hermes 1 construction permit granted – a regulatory milestone. - Expansion of manufacturing capabilities in Albuquerque and reactor campus in Oak Ridge. - Active partnerships with leading U.S. utilities and tech companies. ## Competitive Advantages - **Vertical integration**: Unifies engineering, manufacturing, testing, and licensing in‑house – reduces supply‑chain risk and accelerates deployment. - **Iterative development model (“test‑to‑learn”)**: Build, test, iterate with thousands of hours of operational data; progressively de‑risks nuclear construction, fuel supply, and operations. - **Proactive regulatory engagement**: First non‑water‑cooled reactor to secure an NRC construction permit, de‑risking the licensing path for future units. - **Strong commercial partnerships**: Google and major utilities provide both credibility and a clear off‑take pathway for commercial fleets. - **Technology differentiator**: Fluoride salt cooling enables lower pressure, inherent safety, and efficient heat transfer, making the reactor cost‑competitive with natural gas. ## Strategic Focus - **Commercial deployment**: Targeting grid‑connected operation of Hermes 2 and a fleet of up to 500 MW by 2035 (via Google agreement). - **Scaling manufacturing**: Expanding the Albuquerque Manufacturing Development Campus to produce reactor components at volume. - **Supply chain & fuel qualification**: In‑house fuel fabrication (TRISO pebbles) and salt production to ensure cost and schedule certainty. - **Alliance building**: Growing the KP‑OMADA alliance to standardize technology deployment across multiple utilities. ## Why Work Here - **Culture & recognition**: Six‑time Forbes Best Startup Employer. Employee‑led committees (Women of Kairos Power, Environmental Stewards, Culture Committee, Developing Professionals) shape a collaborative, inclusive environment. “One Kairos” program champions belonging. - **Benefits**: - 3 weeks paid vacation + 5 sick days + >20 paid holidays/year. - 100% employer‑paid medical premiums and deductibles for employee and dependents; premium dental and vision. - 401(k) with employer match, pre‑tax FSA (health & dependent care), commuter benefits. - Career development: mentorship programs, hands‑on training, career paths tailored to personal goals. - **Work model**: Multiple facilities (Alameda HQ, Oak Ridge, Albuquerque) – roles are likely on‑site or hybrid depending on function; no explicit remote‑only policy disclosed. - **Mission‑driven environment**: Direct impact on climate change; work on complex engineering challenges in nuclear energy. - **Values**: Mission‑driven, responsible, people‑centered, pioneering, collaborative, action‑oriented, direct & honest. [kairospower.com/careers](https://www.kairospower.com/careers) ## Sources 1. [kairospower.com](https://www.kairospower.com/) – Company homepage, locations, technology overview 2. [kairospower.com/about](https://www.kairospower.com/about) – Founders, leadership, history, locations 3. [kairospower.com/our-approach](https://www.kairospower.com/our-approach) – Vertical integration, iterative development, partnerships 4. [kairospower.com/careers](https://www.kairospower.com/careers) – Culture, benefits, values, employee resource groups, headcount 5. [linkedin.com/company/kairospower](https://www.linkedin.com/company/kairospower) – Company LinkedIn page (used for verification) ## Other roles at Kairos Power - [Environmental Health and Safety (EHS) Specialist](https://feeny.ai/job/environmental-health-and-safety-ehs-specialist-kairos-power-albuquerque-m0sf1y9c4s8s) — Albuquerque, NM - [Director, Manufacturing Industrialization & Scaling](https://feeny.ai/job/director-manufacturing-industrialization-scaling-kairos-power-alameda-khbd6a4d2ee2) — Alameda, CA - [Software Engineer, Cyber Physical Systems](https://feeny.ai/job/software-engineer-cyber-physical-systems-kairos-power-alameda-ca-or-albuquerque-mr4986cfrxs5) — Alameda CA OR Albuquerque, NM - [Senior IC&E Embedded Systems Engineer](https://feeny.ai/job/senior-ic-e-embedded-systems-engineer-kairos-power-alameda-yngja0nzg5v8) — Alameda, CA - [Nuclear Engineering Internship - Summer 2027](https://feeny.ai/job/nuclear-engineering-internship-summer-2027-kairos-power-alameda-ca-albuquerque-2jaczvnrd69t) — Alameda CA Albuquerque NM Oak Ridge, TN - [Mechanical and Manufacturing Engineering Internship - Summer 2027](https://feeny.ai/job/mechanical-and-manufacturing-engineering-internship-summer-2027-kairos-power-j23regcc4qhp) — Alameda CA Albuquerque NM OR Oak Ridge, TN - [Electrical Engineering Internship - Summer 2027](https://feeny.ai/job/electrical-engineering-internship-summer-2027-kairos-power-alameda-ca-gbpn0zb0094d) — Alameda CA Albuquerque NM OR Oak Ridge, TN - [Civil Engineering Internship - Summer 2027](https://feeny.ai/job/civil-engineering-internship-summer-2027-kairos-power-alameda-ca-albuquerque-nm-bz0q4caj83n7) — Alameda CA Albuquerque NM OR Oak Ridge, TN - [Chemical and Materials Engineering Internship - Summer 2027](https://feeny.ai/job/chemical-and-materials-engineering-internship-summer-2027-kairos-power-alameda-q5m83kgvqrqs) — Alameda CA Albuquerque NM OR Oak Ridge, TN - [Senior Engineer, Reactor Vessel](https://feeny.ai/job/senior-engineer-reactor-vessel-kairos-power-alameda-1jwfdeyhmv97) — Alameda, CA