Mechanical Engineering Manager in Bryan

Interested in helping us transform thermal and electric energy? Become a part of the leading IV nuclear plant development team at Terrestrial Energy, a US developer of advanced 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 recently completed a merger creating a publicly listed operating company (NASDAQ IMSR). With the current alignment of US federal and state government and industry interest in small modular reactors and advanced reactor technologies, there is a unique and compelling opportunity to participate in the execution of the company’s growth business plan.

We are building a team of high‑performing business professionals and leaders in engineering, R&D, product management and business development areas. We look for talented individuals who can help build the organization, processes and goal‑oriented corporate culture to lead the company in its expansion. The ideal candidate has:

• US market experience and perspective, bringing good judgment and innovative approaches to problem solving and business plan execution.
• Exceptional performance in prior engineering projects.
• Exceptional leadership and team‑building capabilities.
• A deep understanding of the requirements for advanced reactor development.
• Ability to create discipline and an organized company structure, contributing to a culture of excellence necessary for the development and deployment of the company’s IMSR plant.
• Thriving in a fast‑growing, opportunity‑rich business environment with flexibility and adaptability during organizational change.
• Specific skill set 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 build and maintain a world‑class engineering team capable of delivering innovative solutions for the commercialization of the Integral Molten Salt Reactor.

• Lead, supervise, develop, and technically qualify mechanical engineering staff across multiple disciplines.
• Establish and maintain engineering standards, processes, and procedures that ensure compliance with nuclear industry codes and standards including ASME, CSA, and relevant regulatory requirements.
• Plan workforce, recruit, and retain talent to build organizational capability aligned with business objectives.
• Provide technical oversight and guidance to ensure deliverables meet quality standards and project requirements while fostering a culture of innovation and continuous improvement.
• Collaborate closely with project managers and other functional leaders to allocate resources, balance workload, and resolve competing priorities.
• Manage performance of the team, conduct regular reviews, identify skill gaps, and create development plans that support employee growth and organizational needs. Establish and maintain technical competency frameworks for each discipline.
• Serve as a technical lead, participate in design reviews, provide input on major technical decisions, and represent the mechanical engineering function in interactions with regulators, customers, and industry partners.
• Champion safety culture and ensure adherence to quality assurance protocols throughout all engineering activities.

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

• Minimum 10 years of progressive engineering experience.
• Minimum 5 years in a leadership or management capacity overseeing multidisciplinary technical teams.
• Substantial experience in the nuclear…