Job Description

Salary:

Interested in helping us transform thermal and electric energy?

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

For this role in Oakville, Ontario, the salary range for this position is CAD $136,000 to $184,000 per annum. The actual wage offered will be determined based on factors such as education, experience, knowledge, skills, abilities, applicable market data for the work location, and internal equity considerations.

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 experienced Mechanical Engineering Manager, reporting to the Engineering Director, will primarily be responsible for leading our mechanical engineering function within a dynamic matrix organization. This senior leadership role will provide functional management for the Mechanical Engineering, Stress Analysis, CAD Design, and Thermal Hydraulic groups, ensuring technical excellence while supporting project delivery across multiple programs. The successful candidate will be responsible for building and maintaining a world-class engineering team capable of delivering innovative solutions for the commercialization of the Integral Molten Salt Reactor.

Key Responsibilities

You will serve as the functional leader responsible for the supervision, professional development, and technical qualification of mechanical engineering staff across multiple disciplines.
You will establish and maintain engineering standards, processes, and procedures that ensure compliance with nuclear industry codes and standards including ASME, CSA, and relevant regulatory requirements.
Your role will involve workforce planning, recruitment, and retention strategies to build organizational capability aligned with business objectives.
You will provide technical oversight and guidance to ensure engineering deliverables meet quality standards and project requirements while fostering a culture of innovation and continuous improvement.
In the matrix organization structure, you will collaborate closely with project managers and other functional leaders to allocate resources effectively, balance workload across the Engineering Department, and resolve competing priorities.
You will be accountable for the performance management of your team, including conducting regular reviews, identifying skill gaps, and creating individual development plans that support both employee growth and organizational needs. The position requires establishing and maintaining technical competency frameworks for each engineering discipline under your supervision, ensuring that staff members possess the appropriate qualifications and certifications required for nuclear engineering work.
You will serve as a technical lead within the organization, participating in design reviews, providing input on major technical decisions, and representing the mechanical engineering function in interactions with regulators, customers, and industry partners.
You will champion safety culture and ensure adherence to quality assurance protocols throughout all engineering activities.

Requirements

Education

Bachelor's degree in Mechanical Engineering or closely related engineering discipline from an accredited institution
Professional Engineering (P.Eng.) license or equivalent professional registration

Experience:

Minimum 10 years of progressive engineering experience
Minimum 5 years in leadership or management capacity overseeing multidisciplinary technical teams
Substantial experience in the nuclear industry or other highly regulated sectors (pressure vessel design, power generation, or aerospace)
Demonstrated experience working within matrix organizational structures
Proven track record managing resources across multiple concurrent projects

Technical Knowledge:

Strong knowledge of ASME Boiler and Pressure Vessel Code
Familiarity with ASME B31.1 and B31.3 piping codes
Understanding of CSA nuclear standards and relevant regulatory requirements
Experience with engineering analysis tools and CAD systems
Working knowledge of stress analysis and thermal hydraulic principles

Leadership & Management:

Excellent leadership and people management skills
Proven ability to build high-performing teams and develop engineering talent
Strong technical communication skills with ability to explain complex concepts to diverse audiences
Experience conducting performance reviews and creating professional development plans

Cross-Functional Collaboration:

Demonstrated ability to work effectively across organizational boundaries with multiple departments
Experience partnering with Research & Development teams to identify engineering data requirements, develop test specifications, and translate research and testing results into practical engineering applications
Strong collaboration skills with Safety and Licensing functions to support regulatory compliance and licensing submissions
Proven track record working with Quality Assurance organizations to maintain documentation and quality standards
Ability to interface with IT departments on engineering software implementation, data management, and digital infrastructure
Experience facilitating cross-functional design reviews and technical meetings with diverse stakeholders
Skills in managing competing priorities and resolving technical issues that span multiple departments

Assets

Advanced degree (Master's or PhD) in Mechanical Engineering, Nuclear Engineering, or related field
Direct experience within the nuclear power industry, particularly with advanced reactor technologies or molten salt systems
Strong knowledge of ASME Boiler and Pressure Vessel Code Section III Division 5
Familiarity with United States Nuclear Regulatory Commission (US NRC), United States Department of Energy (DOE), and/or Canadian Nuclear Safety Commission (CNSC) licensing processes and regulatory requirements
Experience with finite element analysis (FEA) and computational fluid dynamics (CFD)
Background in advanced simulation and modeling techniques
Previous involvement in nuclear licensing or regulatory submissions

Benefits

Extended Healthcare Plan (Medical, Disability, Dental & Vision), + an additional Health Spending Account
A vacation policy designed to support your work-life balance
EAP Programs available to you and your family
Wellness Subsidy
Annual Performance Review
Paid United Way Volunteer Days A chance to give back!
Career development opportunities

Please include aCover Letter in addition to your resume.

Candidates must be legally authorized to work in Canada 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 is an Equal Opportunity Employer Minority / Female / Disability / Gender Identity / Sexual Orientation / Age. The Company encourages 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

Terrestrial Energy

Open Positions

Mechanical Engineering Manager