<div><div>Interested in helping us transform thermal and electric energy?Become a part of the leading Generation-IV nuclear plant development team. This is available in either our Charlotte, NC or Bryan, TX office.  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&amp;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: <ul><li>Will offer US market experience and perspectives bringing innovative approaches to problem solving and business plan execution.</li><li>Has demonstrated exceptional results in past engineering projects.</li><li>Will offer exceptional leadership and team building capabilities.</li><li>Has a deep understanding of the requirements for advanced reactor development.</li><li>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.</li><li>Is capable of flexibility and adaptability at a time of organizational change.</li><li>Has skillset and experience that relate to the following role:</li></ul> The Safety Analysis Engineer, under the direction of Safety Manager, is critical to demonstrating the safety characteristics of Terrestrial Energy’s IMSR technology and supporting regulatory licensing activities. The successful candidate is primarily responsible for performing comprehensive safety analyses, developing accident scenarios, and contributing to safety case documentation that demonstrates compliance with regulatory requirements and the inherent safety features of our advanced reactor design. Other Responsibilities Include:Safety Analysis<ul><li>Perform deterministic and probabilistic safety analyses for the IMSR design</li><li>Develop and analyze Design Basis Accidents (DBAs) and Beyond Design Basis Accidents (BDBAs)</li><li>Conduct transient and accident analysis using thermal-hydraulic and neutronics codes</li><li>Evaluate plant response to Postulated Initiating Events</li><li>Assess the performance of Safety Systems and engineered safety features</li><li>Analyze dose consequences and radiological release scenarios</li><li>Perform sensitivity and uncertainty analyses</li></ul>Modeling and Simulation<ul><li>Develop and validate computer models for safety analysis using industry-standard codes</li><li>Build thermal-hydraulic models of reactor systems and components</li><li>Perform single and coupled physics simulations</li><li>Validate models against experimental data and benchmarks</li><li>Document modeling assumptions, methodologies, and results</li></ul>Regulatory Support<ul><li>Prepare safety analysis chapters for licensing documentation including Preliminary Safety Analysis Report (PSAR) and Final Safety Analysis Report (FSAR) for NRC/CNSC licensing</li><li>Develop DOE-required safety analyses including Preliminary Documented Safety Analysis (PDSA) and Documented Safety Analysis (DSA) in accordance with DOE-STD-3009</li><li>Highlight key safety decisions including target performance of structures, systems, and components (SSCs), safety system responses to normal and off-normal operations, and facility security considerations</li><li>Define classification rules and terminology for safety SSCs, including application of the hierarchy of controls and Defense in Depth principles to ensure safety</li><li>Perform analysis of most limiting potential dose consequences (e.g., unmitigated or Maximum Hypothetical Accident scenarios) to support Natural Phenomena Hazard (NPH) Natural Design Category (NDC) categorization</li><li>Support validity assessment of selected safety document format and content, applicability of SSC classifications, and other graded approaches</li><li>Support regulatory review processes and respond to technical questions from regulatory bodies (CNSC, NRC, DOE)</li><li>Ensure analyses comply with applicable regulatory requirements and guidance</li><li>Participate in regulatory meetings and technical discussions</li><li>Support development of technical specifications and operational limits</li></ul>Documentation and Reporting<ul><li>Prepare detailed technical reports documenting analysis methodologies, assumptions, and results</li><li>Create clear visualizations and presentations of analysis results</li><li>Maintain comprehensive documentation of safety analysis activities</li><li>Contribute to technical publications and conference papers</li><li>Develop and maintain analysis procedures and quality assurance documentation</li></ul>Collaboration<ul><li>Work closely with Physics, Thermal-Hydraulics, Systems Engineering, and Design Teams</li><li>Interface with external partners including national laboratories and consultants</li><li>Participate in design reviews and technical meetings</li><li>Support integrated safety assessments across multiple disciplines</li><li>Contribute to continuous improvement of safety analysis methods</li></ul> RequirementsEducation<ul><li>M.Sc. or Ph.D. in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, or related field; OR</li><li>B.Sc./B.Eng. with minimum 5 years of relevant nuclear safety analysis experience</li></ul>Experience<ul><li>Minimum 3 years of experience in nuclear safety analysis or related field</li><li>Experience with safety analysis codes and methodologies</li><li>Knowledge of nuclear reactor safety principles and accident phenomena</li><li>Understanding of regulatory requirements for nuclear facilities</li><li>Experience with deterministic safety analysis</li></ul>Technical Skills<ul><li>Proficiency with thermal-hydraulic analysis codes (Flownex, REPLAP5, or similar)</li><li>Knowledge of neutronics codes (MCNP, SCALE, Serpent, or similar)</li><li>Understanding of severe accident phenomena and analysis methods</li><li>Familiarity with probabilistic risk assessment (PRA) concepts</li><li>Strong analytical and problem-solving skills</li><li>Proficiency with technical computing tools (MATLAB, Python, or similar)</li><li>Experience with data analysis and visualization</li></ul>Professional Skills<ul><li>Excellent technical writing and documentation skills</li><li>Strong attention to detail and commitment to quality</li><li>Ability to work independently and as part of a team</li><li>Effective communication skills for technical and non-technical audiences</li><li>Project management and time management capabilities</li><li>Critical thinking and ability to defend technical positions</li></ul> Assets<ul><li>Experience with advanced reactor designs or Generation IV systems</li><li>Familiarity with molten salt reactor technology and safety characteristics</li><li>Experience with US NRC, US DOE, or Canadian CNSC licensing processes</li><li>Knowledge of relevant regulatory guides and industry standards (NUREG, CSA, IAEA, DOE STD-1189, DOE-STD-3009, 10 CFR 830)</li><li>Experience with severe accident analysis codes (MELCOR, MAAP, or similar)</li><li>Background in probabilistic risk assessment (PRA) or probabilistic safety assessment (PSA)</li><li>Experience with uncertainty quantification methods</li><li>Knowledge of source term analysis and radiological consequence modeling</li><li>Familiarity with quality assurance requirements for nuclear analysis (CSA N286.7, 10 CFR 50 Appendix B)</li><li>Professional Engineer (P.Eng./P.E.) designation</li><li>Publications in nuclear safety or reactor analysis</li></ul> Benefits<ul><li>Extended Healthcare Plan (Medical, Disability, Dental &amp; Vision), + an additional Health Spending Account</li><li>A vacation policy designed to support your work-life balance</li><li>EAP Programs available to you and your family </li><li>Wellness Subsidy </li><li>Annual Performance Review</li><li>Paid United Way Volunteer Days – A chance to give back!</li></ul> Please submit a Resume and Cover Letter. Candidates must be legally authorized to work in the US 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:<a href="https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810"> https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810</a>) 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:/<a href="http://www.energy.gov/nnsa/10-cfr-part-810">/www.energy.gov/nnsa/10-cfr-part-810</a>. Terrestrial Energy Inc. is an equal opportunity employer and does not discriminate on the basis of any legally protected status or group.  We encourage 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</div></div>

errestrial Energy is developing revolutionary — not simply evolutionary — fission technology for electric power and hydrogen and much more. To achieve this, we use completely different nuclear technology – a molten salt as coolant and fuel in our Integral Molten Salt Reactor (IMSR®) power plant. With this technologically superior yet proven approach, IMSR® nuclear power plants are on a clear path to market and are more affordable, more cost competitive, and more versatile than conventional nuclear power plants that have been in use commercially for over 60 years.

IMSR® technology can be brought to market quickly, building them in four years to produce electricity or industrial heat at prices competitive with fossil fuels, while emitting no greenhouse gases. The first IMSR® power plants are expected to come online in the late 2020s.

IMSR® technology is today’s reliable and resilient clean energy game changer.

Safety Analysis Engineer

<div><div>Interested in helping us transform thermal and electric energy?Become a part of the leading Generation-IV nuclear plant development team. This is available in either our Charlotte, NC or Bryan, TX office.&nbsp; 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.&nbsp;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.&nbsp;&nbsp;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.&nbsp; 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.&nbsp;&nbsp;&nbsp;The Company is focused on building a team of business professionals and leaders in the engineering, R&amp;D, product management and business development areas out of our Charlotte, North Carolina location.&nbsp; 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:&nbsp;<ul><li>Will offer US market experience and perspectives bringing innovative approaches to problem solving and business plan execution.</li><li>Has demonstrated exceptional results in past engineering projects.</li><li>Will offer exceptional leadership and team building capabilities.</li><li>Has a deep understanding of the requirements for advanced reactor development.</li><li>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.</li><li>Is capable of flexibility and adaptability at a time of organizational change.</li><li>Has skillset and experience that relate to the following role:</li></ul> The Safety Analysis Engineer, under the direction of Safety Manager, is critical to demonstrating the safety characteristics of Terrestrial Energy’s IMSR technology and supporting regulatory licensing activities. The successful candidate is primarily responsible for performing comprehensive safety analyses, developing accident scenarios, and contributing to safety case documentation that demonstrates compliance with regulatory requirements and the inherent safety features of our advanced reactor design. Other Responsibilities Include:Safety Analysis<ul><li>Perform deterministic and probabilistic safety analyses for the IMSR design</li><li>Develop and analyze Design Basis Accidents (DBAs) and Beyond Design Basis Accidents (BDBAs)</li><li>Conduct transient and accident analysis using thermal-hydraulic and neutronics codes</li><li>Evaluate plant response to Postulated Initiating Events</li><li>Assess the performance of Safety Systems and engineered safety features</li><li>Analyze dose consequences and radiological release scenarios</li><li>Perform sensitivity and uncertainty analyses</li></ul>Modeling and Simulation<ul><li>Develop and validate computer models for safety analysis using industry-standard codes</li><li>Build thermal-hydraulic models of reactor systems and components</li><li>Perform single and coupled physics simulations</li><li>Validate models against experimental data and benchmarks</li><li>Document modeling assumptions, methodologies, and results</li></ul>Regulatory Support<ul><li>Prepare safety analysis chapters for licensing documentation including Preliminary Safety Analysis Report (PSAR) and Final Safety Analysis Report (FSAR) for NRC/CNSC licensing</li><li>Develop DOE-required safety analyses including Preliminary Documented Safety Analysis (PDSA) and Documented Safety Analysis (DSA) in accordance with DOE-STD-3009</li><li>Highlight key safety decisions including target performance of structures, systems, and components (SSCs), safety system responses to normal and off-normal operations, and facility security considerations</li><li>Define classification rules and terminology for safety SSCs, including application of the hierarchy of controls and Defense in Depth principles to ensure safety</li><li>Perform analysis of most limiting potential dose consequences (e.g., unmitigated or Maximum Hypothetical Accident scenarios) to support Natural Phenomena Hazard (NPH) Natural Design Category (NDC) categorization</li><li>Support validity assessment of selected safety document format and content, applicability of SSC classifications, and other graded approaches</li><li>Support regulatory review processes and respond to technical questions from regulatory bodies (CNSC, NRC, DOE)</li><li>Ensure analyses comply with applicable regulatory requirements and guidance</li><li>Participate in regulatory meetings and technical discussions</li><li>Support development of technical specifications and operational limits</li></ul>Documentation and Reporting<ul><li>Prepare detailed technical reports documenting analysis methodologies, assumptions, and results</li><li>Create clear visualizations and presentations of analysis results</li><li>Maintain comprehensive documentation of safety analysis activities</li><li>Contribute to technical publications and conference papers</li><li>Develop and maintain analysis procedures and quality assurance documentation</li></ul>Collaboration<ul><li>Work closely with Physics, Thermal-Hydraulics, Systems Engineering, and Design Teams</li><li>Interface with external partners including national laboratories and consultants</li><li>Participate in design reviews and technical meetings</li><li>Support integrated safety assessments across multiple disciplines</li><li>Contribute to continuous improvement of safety analysis methods</li></ul> RequirementsEducation<ul><li>M.Sc. or Ph.D. in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, or related field; OR</li><li>B.Sc./B.Eng. with minimum 5 years of relevant nuclear safety analysis experience</li></ul>Experience<ul><li>Minimum 3 years of experience in nuclear safety analysis or related field</li><li>Experience with safety analysis codes and methodologies</li><li>Knowledge of nuclear reactor safety principles and accident phenomena</li><li>Understanding of regulatory requirements for nuclear facilities</li><li>Experience with deterministic safety analysis</li></ul>Technical Skills<ul><li>Proficiency with thermal-hydraulic analysis codes (Flownex, REPLAP5, or similar)</li><li>Knowledge of neutronics codes (MCNP, SCALE, Serpent, or similar)</li><li>Understanding of severe accident phenomena and analysis methods</li><li>Familiarity with probabilistic risk assessment (PRA) concepts</li><li>Strong analytical and problem-solving skills</li><li>Proficiency with technical computing tools (MATLAB, Python, or similar)</li><li>Experience with data analysis and visualization</li></ul>Professional Skills<ul><li>Excellent technical writing and documentation skills</li><li>Strong attention to detail and commitment to quality</li><li>Ability to work independently and as part of a team</li><li>Effective communication skills for technical and non-technical audiences</li><li>Project management and time management capabilities</li><li>Critical thinking and ability to defend technical positions</li></ul> Assets<ul><li>Experience with advanced reactor designs or Generation IV systems</li><li>Familiarity with molten salt reactor technology and safety characteristics</li><li>Experience with US NRC, US DOE, or Canadian CNSC licensing processes</li><li>Knowledge of relevant regulatory guides and industry standards (NUREG, CSA, IAEA, DOE STD-1189, DOE-STD-3009, 10 CFR 830)</li><li>Experience with severe accident analysis codes (MELCOR, MAAP, or similar)</li><li>Background in probabilistic risk assessment (PRA) or probabilistic safety assessment (PSA)</li><li>Experience with uncertainty quantification methods</li><li>Knowledge of source term analysis and radiological consequence modeling</li><li>Familiarity with quality assurance requirements for nuclear analysis (CSA N286.7, 10 CFR 50 Appendix B)</li><li>Professional Engineer (P.Eng./P.E.) designation</li><li>Publications in nuclear safety or reactor analysis</li></ul> Benefits<ul><li>Extended Healthcare Plan (Medical, Disability, Dental &amp; Vision), + an additional Health Spending Account</li><li>A vacation policy designed to support your work-life balance</li><li>EAP Programs available to you and your family </li><li>Wellness Subsidy&nbsp;</li><li>Annual Performance Review</li><li>Paid United Way Volunteer Days – A chance to give back!</li></ul> Please submit a Resume and&nbsp;Cover Letter. Candidates must be legally authorized to work in the US 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:<a href="https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810"> https://www.ecfr.gov/current/title-10/chapter-III/part-810/appendix-Appendix%20A%20to%20Part%20810</a>) 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:/<a href="http://www.energy.gov/nnsa/10-cfr-part-810">/www.energy.gov/nnsa/10-cfr-part-810</a>.&nbsp;Terrestrial Energy Inc. is an equal opportunity employer and does not discriminate on the basis of any legally protected status or group.&nbsp; We encourage applications from all qualified individuals.&nbsp;&nbsp;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</div></div>

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