<div><div>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 will: <ul><li>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>Offers exceptional leadership and team building capabilities.</li><li>Has a deep understanding of the requirements for advanced reactor development.</li><li>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>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 Senior Staff Accountant, under the direction of the SEC Manager, is a key member of the accounting and finance team responsible for assisting with timely and accurate month-end close processes and assisting with the reporting of financial results and developments to the SEC.  This role plays an integral part in the monthly and quarterly close processes, prepares account reconciliations and journal entries, supports external audits, and ensures compliance with Sarbanes-Oxley (SOX) requirements.   Responsibilities of the role will include, but are not limited to: <ul><li>Preparing and reviewing journal entries and general ledger account reconciliations as part of the monthly, quarterly, and year-end close processes.</li><li>Supporting quarterly and annual external reporting processes, including 10-Q and 10-K filings, by providing supporting schedules and documentation. </li><li>Ensuring timely and accurate recording of financial transactions across multiple business units or legal entities. </li><li>Participating in the documentation, maintenance, and testing of SOX controls, identifying and remediating deficiencies where applicable. </li><li>Recommending and implementing process improvements to streamline accounting operations and enhance internal controls.</li><li>Using the highest standards and practices to ensure financial transactions comply with applicable laws and regulations.</li></ul> Core Competencies <ul><li>Effective in a change management role and proven ability to work cross-functionally.</li><li>Support SOX 404 compliance as it relates to month-end close, financial reporting and disclosure controls.</li><li>Maintain proper documentation and processes to support audit and internal control requirements.</li><li>Demonstrated ability to work independently and as part of a team in a fast-paced, deadline-driven environment.</li><li>Excellent organizational skills, attention to detail, and ability to manage multiple priorities and deadlines. </li><li>Partner with cross-functional teams on ad hoc projects, including system implementations, IPO readiness, or M&amp;A due diligence.</li><li>Leader and self-starter with a strong ability to work without direct supervision and efficiently manage tasks and time.</li><li>Collaborative and supportive team player – thrives in fast-paced, deadline-driven business environments.</li><li>Champion and advocate of Terrestrial Energy’s core values; integrity, innovation, teamwork and collaboration, adaptability and leadership.</li></ul> Requirements <ul><li>Bachelor’s degree in Accounting, Finance, or related field. </li><li>Minimum of 3 years of accounting experience, including at least 1–2 years in a public company environment or public accounting firm.</li><li>Solid understanding of U.S. GAAP, SEC reporting, and SOX compliance requirements.</li><li>Strong proficiency in Microsoft Excel and familiarity with ERP/accounting systems (e.g., Oracle, SAP, NetSuite).</li><li>Effective written and verbal communication skills and ability to interact across departments and levels of management.</li></ul> Assets <ul><li>CPA or CPA candidate strongly preferred.</li><li>Strong technical accounting knowledge, attention to detail and public company experience.</li><li>Experience with ERP systems (e.g., Oracle, NetSuite, SAP).</li><li>Experience with equity accounting and debt accounting. </li><li>Exposure to IPO readiness or SPAC transactions.</li><li>Excellent project management and interpersonal skills.</li></ul> Benefits <ul><li>Extended Healthcare Plan </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 Volunteer Days – A chance to give back!</li><li>Career development opportunities</li></ul> 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:<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.

Senior Staff Accountant

<div><div>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 will: <ul><li>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>Offers exceptional leadership and team building capabilities.</li><li>Has a deep understanding of the requirements for advanced reactor development.</li><li>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>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 Senior Staff Accountant, under the direction of the SEC Manager, is a key member of the accounting and finance team responsible for assisting with timely and accurate month-end close processes and assisting with the reporting of financial results and developments to the SEC.&nbsp; This role plays an integral part in the monthly and quarterly close processes, prepares account reconciliations and journal entries, supports external audits, and ensures compliance with Sarbanes-Oxley (SOX) requirements. &nbsp;&nbsp;Responsibilities of the role will include, but are not limited to: <ul><li>Preparing and reviewing journal entries and general ledger account reconciliations as part of the monthly, quarterly, and year-end close processes.</li><li>Supporting quarterly and annual external reporting processes, including 10-Q and 10-K filings, by providing supporting schedules and documentation. </li><li>Ensuring timely and accurate recording of financial transactions across multiple business units or legal entities. </li><li>Participating in the documentation, maintenance, and testing of SOX controls, identifying and remediating deficiencies where applicable. </li><li>Recommending and implementing process improvements to streamline accounting operations and enhance internal controls.</li><li>Using the highest standards and practices to ensure financial transactions comply with applicable laws and regulations.</li></ul>&nbsp;Core Competencies&nbsp;<ul><li>Effective in a change management role and proven ability to work cross-functionally.</li><li>Support SOX 404 compliance as it relates to month-end close, financial reporting and disclosure controls.</li><li>Maintain proper documentation and processes to support audit and internal control requirements.</li><li>Demonstrated ability to work independently and as part of a team in a fast-paced, deadline-driven environment.</li><li>Excellent organizational skills, attention to detail, and ability to manage multiple priorities and deadlines. </li><li>Partner with cross-functional teams on ad hoc projects, including system implementations, IPO readiness, or M&amp;A due diligence.</li><li>Leader and self-starter with a strong ability to work without direct supervision and efficiently manage tasks and time.</li><li>Collaborative and supportive team player – thrives in fast-paced, deadline-driven business environments.</li><li>Champion and advocate of Terrestrial Energy’s core values; integrity, innovation, teamwork and collaboration, adaptability and leadership.</li></ul> Requirements <ul><li>Bachelor’s degree in Accounting, Finance, or related field. </li><li>Minimum of 3 years of accounting experience, including at least 1–2 years in a public company environment or public accounting firm.</li><li>Solid understanding of U.S. GAAP, SEC reporting, and SOX compliance requirements.</li><li>Strong proficiency in Microsoft Excel and familiarity with ERP/accounting systems (e.g., Oracle, SAP, NetSuite).</li><li>Effective written and verbal communication skills and ability to interact across departments and levels of management.</li></ul>&nbsp;Assets <ul><li>CPA or CPA candidate strongly preferred.</li><li>Strong technical accounting knowledge, attention to detail and public company experience.</li><li>Experience with ERP systems (e.g., Oracle, NetSuite, SAP).</li><li>Experience with equity accounting and debt accounting. </li><li>Exposure to IPO readiness or SPAC transactions.</li><li>Excellent project management and interpersonal skills.</li></ul> Benefits <ul><li>Extended Healthcare Plan&nbsp;</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 Volunteer Days – A chance to give back!</li><li>Career development opportunities</li></ul> 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.&nbsp;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>

Senior Staff Accountant

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Terrestrial Energy

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