Core Thermal Hydraulics Analysis Engineering Manager

Bellevue, Washington, United States | Natrium | Full-time


TITLE:                  Core Thermal Hydraulics Analysis Engineering Manager            

LOCATION:          Bellevue, WA, USA         


TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, TerraPower originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. They recognized energy access was crucial to the health and economic well-being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company’s activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits.


TerraPower is seeking to hire a highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes.  TerraPower is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law. In addition, TerraPower has instituted an Affirmative Action Plan (AAP) in an effort to proactively recruit, hire, and promote women, minorities, disabled persons and veterans.


Core Thermal Hydraulics Analysis Engineering Manager


The Core Thermal Hydraulics Manager is a dedicated position focused on managing a team of thermal hydraulics engineers. The Core Thermal Hydraulics group is responsible for methodology development and performing analyses supporting the reactor core of the Natrium Demonstration Reactor. Various scales of analysis tools ranging from Computational Fluid Dynamics (CFD) to first principles are used to provide inputs to other groups. The Engineering Manager will work as part of a high functioning team of engineers and scientists focused on developing the design of next generation advanced nuclear reactors.



  • Manage a team of code developers and analysts and their thermal hydraulic methods and analyses of the reactor core to determine flow and heat transfer performance.
  • Manage the team’s development of required inputs and methodologies to establish systems models and thermal hydraulic loads for critical reactor components and interfaces.
  • Provide technical insights, mentorship and support high quality, clear work packages.
  • Work with interdisciplinary team of engineers to establish and optimize nuclear components design consistent with required functional and quality requirements.
  • Support the development of methodologies including verification and validation test development.
  • Identify, define, and coordinate activities required for the successful design, analysis, and verification of reactor structures and components.
  • Establish, review, approve and maintain documents of analysis results and design solutions.
  • Establish and maintain schedule for the group.
  • Participate in management discussions on strategy, budget, goals, resources, and team performance.


Key Qualifications and Skills

  • B.S, M.S. or Ph.D. in Mechanical, Nuclear, or other relevant technical Engineering area from an accredited university. 
  • Minimum of 10 years of experience in thermal hydraulic analysis with a B.S. degree, or 8+ years with an M.S. or Ph.D. degree with a demonstrated ability to produce a high-quality work product.
  • Minimum of 3 years of experience in coordinate of technical project teams with a demonstrated ability to meet project goals.
  • Desired 2 years of experience in management of personnel.  This includes resource loading, work planning, and career development.
  • Experience interfacing with other engineering disciplines including design and test.
  • Proficient in computational fluid dynamics (CFD) analysis, thermal hydraulics methods and commercial CFD tools with emphasis on STAR-CCM+.
  • Strong understanding of thermal hydraulic principles and heat transfer. 
  • Knowledge of thermal hydraulic phenomena involved in sodium fast reactor a plus.
  • Candidate should have demonstrated experience in thermal hydraulic analysis using CFD or other analysis tools.
  • Experience working under stringent quality assurance requirements such as ASME NQA-1, MIL-Q-9858A, or ISO-9000.
  • The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork.
  • Actual position starting level and title will be determined based on assessment of qualifications.


Job Functions


Job Functions are physical actions and/or working conditions associated with the position.  These functions may also constitute essential functions for the job which the employee must be able to fulfill, with or without accommodation.  Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations.  An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.


  • Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
  • Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds
  • Repetitive work: Prolonged
  • Special Senses: Visual and audio focused work
  • Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hrs./day 
  • Travel required: 0-5%

TerraPower’s technology is controlled for export by various agencies of the U.S. Government.  TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements.  To facilitate TerraPower’s export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States.  Government export authorization approval times vary.  Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval.   


Job details 

Salary Range Level 12:  $ 163,702  - $ 226,844

*Typically, our employee salaries are within .90 – 1.0 of the mid-point of the posted salary band.  Any salary offered within the posted salary band is based on market data and commensurate with the selected individual’s qualifications and experience.  This range is specific to Washington State.

Job Type:  Full-time


  • Competitive Compensation
  • Salary, eligible to participate in discretionary short-term incentive payments
  • Comprehensive Medical and Wellness Benefits Medical
    • Vision
    • Dental
    • Life
    • Life and Disability
    • Gender Affirmation Benefits
    • Parental Leave
    • 401k Plan
  • Generous Paid Time Off (PTO)
    • 21 days of annually accrued PTO
  • Generous Holiday Schedule
    • 10 paid holidays
  • Relocation Assistance
  • Professional and Educational Support Opportunities
  • Flexible Work Schedule

TerraPower Career and Benefits information:

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