{"id":3247953,"url":"https://alion.io/job/terrestrial-energy-systems-engineer","title":"Systems Engineer","company":{"id":1848872,"name":"Terrestrial Energy","domain":"terrestrialenergy.com","url":"https://alion.io/company/terrestrialenergy","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"BambooHR","truth_index":null},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"explicit","locations":["Charlotte, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":150000,"period":"year","method":"role_country_seniority_unknown","sample_n":15150},"experience_years_min":4,"visa_sponsorship":true,"relocation_package":false,"has_equity":false,"technologies":[{"name":"ASME NQA-1","optional":false},{"name":"IBM DOORS","optional":false},{"name":"MBSE","optional":false},{"name":"Microsoft Office","optional":false},{"name":"NRC Licensing","optional":false},{"name":"SysML","optional":false},{"name":"Verification & Validation","optional":false}],"status":"live","first_seen_at":"2026-10-08T00:00:00Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-11-14T05:35:29Z","board_verified":true,"closed_at":null,"days_open":37,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":37},"description":"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.\nThe 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 Energy’s IMSR, there is today a unique and compelling opportunity to participate in the execution of the company’s growth business plan.\nThe 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:\nHave US market experience and perspectives bringing good judgement and innovative approaches to problem solving and business plan execution.\nHave demonstrated exceptional performance in past engineering projects.\nOffer exceptional leadership and team building capabilities.\nHave a deep understanding of the requirements for advanced reactor development.\nCan 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 Company’s IMSR plant.\nCan thrive in a fast growing business environment, and are capable of flexibility and adaptability at a time of organizational change.\nHave the specific skillset and experience for the following role:\nThe Systems Engineer, reporting to the Systems Engineering Manager, is primarily responsible for the development, integration, and coordination of systems-level engineering activities for Terrestrial Energy’s 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.\nOther Responsibilities Include:\nSystems Engineering\nDevelop, maintain, and manage system requirements for IMSR systems and subsystems in coordination with design engineering, safety, and licensing teams.\nPerform requirements decomposition, allocation, and traceability across system, subsystem, and component levels.\nDevelop and maintain system descriptions, functional breakdowns, and system architecture documentation.\nIdentify, document, and track system assumptions, constraints, and design decisions throughout the engineering lifecycle.\nSupport configuration management activities and conduct change impact assessments from a systems perspective.\nIntegration & Interfaces\nIdentify and document interfaces between engineering disciplines (mechanical, electrical, I&C, safety, licensing) and between systems and subsystems.\nDevelop and maintain Interface Control Documents (ICDs) and interface registers to manage system integration.\nFacilitate cross-functional technical coordination meetings and manage follow-up on interface issues and action items.\nIdentify, assess, and track integration risks and dependencies across systems and subsystems.\nVerification & Validation\nDevelop and maintain requirements verification matrices linking requirements to verification methods.\nDefine verification methods (analysis, inspection, test, demonstration) for system requirements in accordance with the V-model approach.\nCoordinate verification planning activities across engineering disciplines and support the organization of verification evidence.\nSupport validation planning to ensure system-level performance meets stakeholder needs and mission objectives.\nDocumentation & Reporting\nPrepare technical documentation including system summaries, requirements specifications, design decision records, and traceability reports.\nDevelop figures, block diagrams, functional flow diagrams, and presentation materials for design reviews and stakeholder communications.\nMaintain organized technical records within document control and configuration management systems in compliance with quality requirements.\nSupport the preparation of engineering reports, technical memoranda, and regulatory submissions requiring systems-level analysis.\nCollaboration\nWork closely with Systems Engineering, Design Engineering, Safety, Licensing, and Project Management teams to ensure integrated system development.\nParticipate in design reviews, technical assessments, and cross-functional working groups to provide systems engineering perspectives.\nInterface with engineers across multiple disciplines to coordinate system-level decisions and ensure alignment with project objectives.\nContribute to the continuous improvement of systems engineering tools, processes, and best practices.\nCore Competencies\nSystems thinking and integration\nRequirements analysis and management\nTechnical documentation and communication\nInterface coordination and control\nVerification and validation planning\nConfiguration management\nAnalytical and problem-solving skills\nCross-functional collaboration\nProject coordination and planning\nQuality and compliance awareness\nAdaptability to change\nRequirements\nEducation\nBachelor's degree in Systems Engineering, Mechanical Engineering, Nuclear Engineering, Electrical Engineering, Chemical Engineering, or a related engineering discipline.\nMaster's degree is considered an asset.\nExperience\nMinimum of 4 years of engineering experience in design, analysis, or systems integration roles.\nDemonstrated experience applying systems engineering principles in multidisciplinary engineering projects.\nExperience with requirements management, interface control, or technical documentation in engineering environments.\nTechnical Skills\nStrong analytical and problem-solving capabilities with the ability to think at the system level.\nUnderstanding of systems engineering lifecycle, methodologies, and interdisciplinary engineering principles.\nProficiency with Microsoft Office tools (Excel, Word, PowerPoint, Visio).\nAbility to read, interpret, and create technical documentation, engineering drawings, and system diagrams.\nExperience with or exposure to requirements management tools (e.g., Codebeamer, DOORS, Jama, Polarion, Innoslate) is preferred.\nFamiliarity with Product Lifecycle Management (PLM) tools or modeling tools (e.g., SysML) is an asset.\nProfessional Skills\nExcellent technical writing and documentation skills with strong attention to detail.\nStrong organizational skills and ability to manage multiple tasks and priorities simultaneously.\nEffective verbal and written communication skills for technical and non-technical audiences.\nAbility to work collaboratively in cross-functional teams and build strong working relationships.\nSelf-motivated with the ability to work independently and take initiative.\nFlexibility to adapt to evolving project requirements and organizational changes.\nAssets\nExperience in the nuclear industry (PWR/BWR/CANDU, SMR, advanced reactors, or other nuclear technologies).\nExperience in other highly regulated industries (aerospace, defense, medical devices, energy).\nFamiliarity with the V-model of systems engineering and verification/validation methodologies.\nKnowledge of nuclear quality assurance standards (CSA N286 series, ASME NQA-1, 10 CFR Part 50 Appendix B).\nFamiliarity with Canadian (CNSC) and/or US (NRC, DOE) nuclear regulatory frameworks.\nUnderstanding of systems engineering standards (ISO/IEC/IEEE 15288, INCOSE, NASA Systems Engineering Handbook).\nExperience with Model-Based Systems Engineering (MBSE) approaches and tools.\nKnowledge of CCOMIT (Constructability, Commissioning, Operability, Maintainability, Inspectability, Testability) principles.\nProfessional Engineer (P.Eng. or PE) designation or eligibility.\nINCOSE certification (ASEP or CSEP) or working toward certification.\nInterest in or passion for advanced reactor technologies and clean energy systems.\nBenefits\nHybrid work available\nComprehensive healthcare plan (medical, dental, vision, STD/LTD, Life Insurance, AD&D and HSA)\nA vacation policy designed to support your work-life balance\nEAP program available to you and your family\nWellness subsidy \nAnnual performance review\nCareer development opportunities\nFree access to building gym\nOn-site cafe in building\nFree on-site parking\nPlease submit a Resume and Cover Letter.\nCandidates must be legally authorized to work in the US without the need for sponsorship for employment visa status.\nTerrestrial Energy requires that the successful candidate be able toaccess 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: \n\nhttps://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.\nTerrestrial 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.\nIf you require accommodation during the application or interview process, please advise us as soon as possible so appropriate arrangements can be made. 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