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Interested in helping us transform thermal and electric energy?

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

Come join us at Terrestrial Energy, a US developer of advanced, Generation IV nuclear reactors. We are growing our workforce to develop and deploy our Integral Molten Salt Reactor (IMSR) small modular nuclear plant to provide cost-competitive, clean firm heat and power to industry.

The Company has recently completed a merger creating a publicly listed operating company (NASDAQ IMSR), to secure the capital resources for our next growth phase. With the current alignment of US Federal and State government, as well as industry interest in Small Modular Reactor (SMR) and advanced reactor technologies such as Terrestrial Energys IMSR, there is today a unique and compelling opportunity to participate in the execution of the companys growth business plan.

The Company is building a team of high-performing business professionals and leaders in engineering, R&D, product management and business development areas at our Charlotte, North Carolina headquarters and future project sites. We are looking for talented individuals who can help build the organization, processes, and goal-orientated corporate culture to lead the company in our expansion. We are seeking people who:

• Have US market experience and perspectives bringing good judgement and innovative approaches to problem solving and business plan execution.
• Have demonstrated exceptional performance in past engineering projects.
• Offer exceptional leadership and team building capabilities.
• Have a deep understanding of the requirements for advanced reactor development.
• Can assist in the creation of the discipline and organized company structure, and contribute to a culture of excellence, necessary for the development and deployment of the Companys IMSR plant.
• Can thrive in a fast growing and opportunity business environment, and are capable of flexibility and adaptability at a time of organizational change.
• Have the specific skillset and experience for the following role:

The Systems Engineer, reporting to the Systems Engineering Manager, is primarily responsible for the development, integration, and coordination of systems-level engineering activities for Terrestrial Energys IMSR technology. This role applies systems engineering principles to support requirements management, interface coordination, system architecture development, and verification planning across multidisciplinary engineering teams. The successful candidate will contribute to the advancement of IMSR reactor systems through the application of structured systems engineering methodologies in a highly regulated nuclear technology environment.

Other Responsibilities Include:

Systems Engineering

• Develop, maintain, and manage system requirements for IMSR systems and subsystems in coordination with design engineering, safety, and licensing teams.
• Perform requirements decomposition, allocation, and traceability across system, subsystem, and component levels.
• Develop and maintain system descriptions, functional breakdowns, and system architecture documentation.
• Identify, document, and track system assumptions, constraints, and design decisions throughout the engineering lifecycle.
• Support configuration management activities and conduct change impact assessments from a systems perspective.

Integration & Interfaces

• Identify and document interfaces between engineering disciplines (mechanical, electrical, I&C, safety, licensing) and between systems and subsystems.
• Develop and maintain Interface Control Documents (ICDs) and interface registers to manage system integration.
• Facilitate cross-functional technical coordination meetings and manage follow-up on interface issues and action items.
• Identify, assess, and track integration risks and dependencies across systems and subsystems.

Verification & Validation

• Develop and maintain requirements verification matrices linking requirements to verification methods.
• Define verification methods (analysis, inspection, test, demonstration) for system requirements in accordance with the V-model approach.
• Coordinate verification planning activities across engineering disciplines and support the organization of verification evidence.
• Support validation planning to ensure system-level performance meets stakeholder needs and mission objectives.

Documentation & Reporting

• Prepare technical documentation including system summaries, requirements specifications, design decision records, and traceability reports.
• Develop figures, block diagrams, functional flow diagrams, and presentation materials for design reviews and stakeholder communications.
• Maintain organized technical records within document control and configuration management systems in compliance with quality requirements.
• Support the preparation of engineering reports, technical memoranda, and regulatory submissions requiring systems-level analysis.

Collaboration

• Work closely with Systems Engineering, Design Engineering, Safety, Licensing, and Project Management teams to ensure integrated system development.
• Participate in design reviews, technical assessments, and cross-functional working groups to provide systems engineering perspectives.
• Interface with engineers across multiple disciplines to coordinate system-level decisions and ensure alignment with project objectives.
• Contribute to the continuous improvement of systems engineering tools, processes, and best practices.
  

Core Competencies

• Systems thinking and integration
• Requirements analysis and management
• Technical documentation and communication
• Interface coordination and control
• Verification and validation planning
• Configuration management
• Analytical and problem-solving skills
• Cross-functional collaboration
• Project coordination and planning
• Quality and compliance awareness
• Adaptability to change

Requirements

Education

• Bachelor's degree in Systems Engineering, Mechanical Engineering, Nuclear Engineering, Electrical Engineering, Chemical Engineering, or a related engineering discipline.
• Master's degree is considered an asset.

Experience

• Minimum of 4 years of engineering experience in design, analysis, or systems integration roles.
• Demonstrated experience applying systems engineering principles in multidisciplinary engineering projects.
• Experience with requirements management, interface control, or technical documentation in engineering environments.

Technical Skills

• Strong analytical and problem-solving capabilities with the ability to think at the system level.
• Understanding of systems engineering lifecycle, methodologies, and interdisciplinary engineering principles.
• Proficiency with Microsoft Office tools (Excel, Word, PowerPoint, Visio).
• Ability to read, interpret, and create technical documentation, engineering drawings, and system diagrams.
• Experience with or exposure to requirements management tools (e.g., Codebeamer, DOORS, Jama, Polarion, Innoslate) is preferred.
• Familiarity with Product Lifecycle Management (PLM) tools or modeling tools (e.g., SysML) is an asset.

Professional Skills

• Excellent technical writing and documentation skills with strong attention to detail.
• Strong organizational skills and ability to manage multiple tasks and priorities simultaneously.
• Effective verbal and written communication skills for technical and non-technical audiences.
• Ability to work collaboratively in cross-functional teams and build strong working relationships.
• Self-motivated with the ability to work independently and take initiative.
• Flexibility to adapt to evolving project requirements and organizational changes.

Assets

• Experience in the nuclear industry (PWR/BWR/CANDU, SMR, advanced reactors, or other nuclear technologies).
• Experience in other highly regulated industries (aerospace, defense, medical devices, energy).
• Familiarity with the V-model of systems engineering and verification/validation methodologies.
• Knowledge of nuclear quality assurance standards (CSA N286 series, ASME NQA-1, 10 CFR Part 50 Appendix B).
• Familiarity with Canadian (CNSC) and/or US (NRC, DOE) nuclear regulatory frameworks.
• Understanding of systems engineering standards (ISO/IEC/IEEE 15288, INCOSE, NASA Systems Engineering Handbook).
• Experience with Model-Based Systems Engineering (MBSE) approaches and tools.
• Knowledge of CCOMIT (Constructability, Commissioning, Operability, Maintainability, Inspectability, Testability) principles.
• Professional Engineer (P.Eng. or PE) designation or eligibility.
• INCOSE certification (ASEP or CSEP) or working toward certification.
• Interest in or passion for advanced reactor technologies and clean energy systems.

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 andCover 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 Energys 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 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