Thermal Hydraulics Test Engineer/Scientist

Interested in helping us transform thermal and electric energy?

Become a part of the leading Generation-IV nuclear plant development team.

This position is remote until the office opens in or around Bryan, TX on or before December 2025, after which time it will be a 100% on site role.

Terrestrial Energy is developing for near-term commercial operation, a zero-emissions cogeneration plant for a global industry using its proprietary Integral Molten Salt Reactor (IMSR) fission technology in an innovative, small and modular plant design.

Over the last 5 years, the Company has recognized the exceptional and unmatched opportunities in US markets created by the policies of the US Federal and States’ governments, and by the actions of the US industrial private sector, including its world leading IT sector developing AI commercial product. The Company recognizes that its path to business success and likely sole path to success, is to wholly align with the US market as a US company, and effect all the organizational changes necessary to achieve this alignment. 

In pursuit of this objective, Terrestrial Energy initiated a transaction to legally redomicile the business to the US in 2023, which it completed in April 2024, with 100% shareholder support.  This transaction was the first step in its US domiciliation strategy. The Company is currently completing a transaction to secure a US exchange (NASDAQ) public stock listing, which is expected to secure the capital resources necessary to complete its US domiciliation as well as execute on its business plan focused on the US market.  

The Company is focused on building a team of business professionals and leaders in the engineering, R&D, product management and business development areas out of our Charlotte, North Carolina location.  These key resources will help build the organization structure and processes in Charlotte, NC, which will be the cornerstone to add talented people to the US team, each of whom:

• Will offer US market experience and perspectives bringing innovative approaches to problem solving and business plan execution.
• Has demonstrated exceptional results in past engineering projects.
• Will offer exceptional leadership and team building capabilities.
• Has a deep understanding of the requirements for advanced reactor development.
• Will assist in the creation of the organization architecture and structures based in Charlotte and necessary for the successful design development of the Company IMSR plant.
• Is capable of flexibility and adaptability at a time of organizational change.
• Has the skillset and experience that relate to the following role:

The R&D Thermal Hydraulics Test Engineer/Scientist, under the direction of the R&D Director, is primarily responsible for design and execution of tests and data analysis. 

Within this role, responsibilities include:

• Provisioning of subject matter expertise on thermal hydraulics experiments;
• Reviewing internal and external documents as related to test identification, test design development (including test matrices) and testing activities as related to thermal hydraulics;
• Preparation of meshes for 2D and 3D models for various geometries and perform CFD simulations and analyses in support of R&D experiments;
• Performing steady-state and transient CFD simulations, including sensitivity analyses and optimization studies;
• Performing scaling analyses for R&D experimental measurements and evaluation of scaling distortions for experimental test setups;
• Participating in testing activities;
• Supporting the development of the thermal hydraulic experimental test setups, i.e. identification of sensors and instrumentation, measurement locations, and identification of test equipment and sizes;
• Presenting test results, assumptions, risks, and constraints to the R&D Director and proposing paths forward;
• Collaborating with the R&D Project Coordinator to maintain and update schedule including status of all projects;
• Collaborating with the TEI Engineering to support design development; and
• Designing experiments, performing instrument readings, and analyzing test data in coordination with R&D Data Scientist(s) to improve design and simulation models and participation in resolution of technical issues.

Core Competencies

• Thermodynamics and Heat Transfer
• Fluid Dynamics
• Computational Fluid Dynamics
• Simulation Experience
• Communication
• Critical Thinking
• Decision Making
• Problem Solving
• Results Orientation
• Team player with the ability to collaborate and interact with other groups
• Flexible and adaptable to change

Requirements

• Master’s degree or higher  in science, engineering or related field (preference to fluid flow and heat transfer fields) combined with a minimum of 2 years of work experience in research laboratories, with a focus in the power industry related to thermal hydraulic design and analysis;
• Solid working experience in CFD applications;
• Ability to review and interpret the simulation results generated by CFD codes (i.e. ANSYS Fluent) and system level thermal hydraulic codes (i.e. Flownex);
• Experience in modelling, designing, and building thermal hydraulic loop test rigs and analyzing data produced from tests;
• Demonstrated success in project delivery;
• Skills and ability to learn a new technology, conduct research and analyze research data, as well as writing scientific reports;
• Extensive knowledge of thermodynamics, fluid mechanics, heat transfer fundamentals;
• Working knowledge of experimental design and statistics/data analysis;
• Knowledgeable in the working principles of pumps and heat exchangers;
• Strong problem identification and problem resolution skills;
• Flexibility to adjust to shifting priorities and deadlines;
• Exceptional interpersonal and communication (both written and verbal) skills; and
• Skilled at developing and maintaining strong relationships across all levels of the organization and with external customers and vendors.

Assets

• Education in the nuclear field
• Knowledge of molten salt nuclear reactor working principles

Benefits

• Extended Healthcare Plan 
• A vacation policy designed to support your work-life balance
• EAP Programs available to you and your family
• Wellness Subsidy
• Annual Performance Review
• Paid Volunteer Days – A chance to give back!
• Career development opportunities
  

Please submit a Resume and Cover Letter.

Candidates must be legally authorized to work in USA without the need for sponsorship for employment visa status.

Terrestrial Energy requires that the successful candidate be able to access and use information subject to U.S. Export Control Laws, which mandate all citizenships (including dual citizenships) be from the U.S. Department of Energy’s List of Generally Authorized Countries (10 CFR Part 810 Appendix A and can be found here:
https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810) unless a specific authorization from the U.S. Department of Energy is obtained or unless you are a U.S. citizen, U.S. national, U.S. permanent resident, or protected individual under the U.S. Immigration and Naturalization Act (8 U.S.C. 1324b(a)(3)). Additional information can be found here: https://www.energy.gov/nnsa/10-cfr-part-810.

Terrestrial Energy is an Equal Opportunity Employer – Minority / Female / Disability / Gender Identity / Sexual Orientation / Age.  The Company encourages applications from all qualified individuals.

If you require accommodation during the application or interview process, please advise us as soon as possible so appropriate arrangements can be made. If you require technical support in a format that is accessible to you, please contact Accessibility@terrestrialenergy.com