Canadian Strategic Missions Corporation is building the capabilities that will shape Canada's future in space, defence, and energy. WE have secured significant government investment to advance next generation micro nuclear reactors in partnership with leading institutions, alongside expanding a portfolio of technologies designed for remote environments, national defence, and future space missions. These efforts reflect a broader ambition to deliver reliable power and critical infrastructure where it matters most.

We care deeply about execution, long term impact and earning the trust required to deliver systems that will service Canada and its allies for decades. We are a group of people drawn to hard problems, meaningful impact and the chance to shape systems that matter at a national and global scale. We are building a team that thrives in ambiguity, values execution, and is motivated by mission and impact.

We are seeking a Nuclear Thermal Hydraulics Engineer specializing in thermal-hydraulics to support the design and analysis of advanced reactor systems. The successful candidate will develop, implement, and validate models to assess heat transfer, fluid flow, and system performance under steadystate and transient conditions. Perform thermal-hydraulic and system-level analyses for reactor designs.

Analyze heat transfer, flow distribution, and two-phase flow phenomena. Support safety and performance assessments through coupled neutronic-thermal simulations. Evaluate coolant system design and decay heat removal capabilities.

Prepare technical reports and present analysis results to project teams and stakeholders.



Support the business development activities of the company including proposals, RFPs, regulatory applications, and other as needed. Bachelor's, Master's, or Ph.D. in Nuclear Engineering, Mechanical Engineering, or related discipline. ~2+ years of relevant experience in thermal-hydraulics analysis (industry, research, or graduate work). ~ Strong understanding of heat transfer, single- and two-phase flow, and reactor cooling systems. ~ Experience with Python, MATLAB, or similar scripting tools for post-processing and data automation. ~ Excellent analytical and communication skills, including strong writing skills. ~ Exposure to experimental validation or test loop design. ~ Prior experience with Aerospace or Military Grade engineering is a plus.

CSMC is building technologies that will shape Canada's future in energy, space, and national security. Along the way, you'll have access to competitive compensation, benefits, and equity, and the chance to grow with a company that values ownership, curiosity, and technical excellence. CSMC works with highly sensitive nuclear, defence, and aerospace technologies, and all roles require eligibility for federal security screening and compliance with controlled goods and export regulations.

Candidates must be legally authorized to work in Canada, able to obtain and maintain Government of Canada security clearance, and eligible to meet foreign affiliation and export control requirements. These conditions are mandatory Bona Fide Occupational Requirements and reflect the need to securely develop and protect nationally significant capabilities. #

📌 Nuclear Thermal-Hydraulics Engineer (Ontario)
🏢 T6 Talent Partners
📍 Ontario