Nuclear Safety Analysis Engineer

Job Description Salary: Take the next step in your career now, scroll down to read the full role description and make your application.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.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 contributed 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 Safety Analysis Engineer, under the direction of Safety Manager, is critical to demonstrating the safety characteristics of Terrestrial Energys 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 AnalysisPerform deterministic and probabilistic safety analyses for the IMSR designDevelop and analyze Design Basis Accidents (DBAs) and Beyond Design Basis Accidents (BDBAs)Conduct transient and accident analysis using thermal-hydraulic and neutronics codesEvaluate plant response to Postulated Initiating EventsAssess the performance of Safety Systems and engineered safety featuresAnalyze dose consequences and radiological release scenariosPerform sensitivity and uncertainty analysesModeling and SimulationDevelop and validate computer models for safety analysis using industry-standard codesBuild thermal-hydraulic models of reactor systems and componentsPerform single and coupled physics simulationsValidate models against experimental data and benchmarksDocument modeling assumptions, methodologies, and resultsRegulatory SupportPrepare safety analysis chapters for licensing documentation including Preliminary Safety Analysis Report (PSAR) and Final Safety Analysis Report (FSAR) for NRC/CNSC licensingDevelop DOE-required safety analyses including Preliminary Documented Safety Analysis (PDSA) and Documented Safety Analysis (DSA) in accordance with DOE-STD-3009Highlight key safety decisions including target performance of structures, systems, and components (SSCs), safety system responses to normal and off-normal operations, and facility security considerationsDefine classification rules and terminology for safety SSCs, including application of the hierarchy of controls and Defense in Depth principles to ensure safetyPerform 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) categorizationSupport validity assessment of selected safety document format and content, applicability of SSC classifications, and other graded approachesSupport regulatory review processes and respond to technical questions from regulatory bodies (CNSC, NRC, DOE)Ensure analyses comply with applicable regulatory requirements and guidanceParticipate in regulatory meetings and technical discussionsSupport development of technical specifications and operational limitsDocumentation and ReportingPrepare detailed technical reports documenting analysis methodologies, assumptions, and resultsCreate clear visualizations and presentations of analysis resultsMaintain comprehensive documentation of safety analysis activitiesContribute to technical publications and conference papersDevelop and maintain analysis procedures and quality assurance documentationCollaborationWork closely with Physics, Thermal-Hydraulics, Systems Engineering, and Design TeamsInterface with external partners including national laboratories and consultantsParticipate in design reviews and technical meetingsSupport integrated safety assessments across multiple disciplinesContribute to continuous improvement of safety analysis methodsRequirementsEducationM.Sc. or Ph.D. in Nuclear Engineering, Mechanical Engineering, Chemical Engineering, or related field; ORB.Sc./B.Eng. with minimum 5 years of relevant nuclear safety analysis experienceExperienceMinimum 3 years of experience in nuclear safety analysis or related fieldExperience with safety analysis codes and methodologiesKnowledge of nuclear reactor safety principles and accident phenomenaUnderstanding of regulatory requirements for nuclear facilitiesExperience with deterministic safety analysisTechnical SkillsProficiency with thermal-hydraulic analysis codes (Flownex, REPLAP5, or similar)Knowledge of neutronics codes (MCNP, SCALE, Serpent, or similar)Understanding of severe accident phenomena and analysis methodsFamiliarity with probabilistic risk assessment (PRA) conceptsStrong analytical and problem-solving skillsProficiency with technical computing tools (MATLAB, Python, or similar)Experience with data analysis and visualizationProfessional SkillsExcellent technical writing and documentation skillsStrong attention to detail and commitment to qualityAbility to work independently and as part of a teamEffective communication skills for technical and non-technical audiencesProject management and time management capabilitiesCritical thinking and ability to defend technical positionsAssetsExperience with advanced reactor designs or Generation IV systemsFamiliarity with molten salt reactor technology and safety characteristicsExperience with US NRC, US DOE, or Canadian CNSC licensing processesKnowledge of relevant regulatory guides and industry standards (NUREG, CSA, IAEA, DOE STD-1189, DOE-STD-3009, 10 CFR 830)Experience with severe accident analysis codes (MELCOR, MAAP, or similar)Background in probabilistic risk assessment (PRA) or probabilistic safety assessment (PSA)Experience with uncertainty quantification methodsKnowledge of source term analysis and radiological consequence modelingFamiliarity with quality assurance requirements for nuclear analysis (CSA N286.7, 10 CFR 50 Appendix B)Professional Engineer (P.Eng./P.E.) designationPublications in nuclear safety or reactor analysisBenefitsExtended Healthcare Plan (Medical, Disability, Dental & Vision), + an additional Health Spending AccountA vacation policy designed to support your work-life balanceEAP Programs available to you and your family Wellness SubsidyAnnual Performance ReviewPaid United Way Volunteer Days A chance to give back!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: ) 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: 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. xaygatp 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