csmc

csmc

Nuclear Thermal-Hydraulics Engineer

Waterloo, Ontario

No sponsorshipDetected 20 days ago
PythonMATLABCybersecurityBusiness DevelopmentANSYSCFDMechanical DesignCOMSOLResearchCommunicationCollaboration

About the role

  • and analysis of advanced reactor systems.
  • Analyze heat transfer, flow distribution, and two-phase flow phenomena.
  • Prepare technical reports and present analysis results to project teams and stakeholders.

Responsibilities

  • Perform thermal-hydraulic and system-level analyses for reactor designs.
  • Develop models using codes such as RELAP5, TRACE, OpenFOAM, COMSOL, or ANSYS Fluent.
  • Support safety and performance assessments through coupled neutronic-thermal simulations.
  • Evaluate coolant system design and decay heat removal capabilities.
  • Support the business development activities of the company including proposals, RFPs, regulatory applications, and other as needed.
  • and analysis of advanced reactor systems. The successful candidate will develop, implement,
  • The successful candidate will develop, implement,
  • We move quickly, support each other, and take pride in doing work that has real impact.

Requirements

  • 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).
  • Demonstrated proficiency in one or more of the following: RELAP5, TRACE, OpenFOAM, ANSYS Fluent, COMSOL, or equivalent CFD/system codes.
  • 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.
  • Experience with CFD coupling, or multi-physics simulation.
  • Exposure to experimental validation or test loop design.
  • Why Join CSMC
  • CSMC is building technologies that will shape Canada's future in energy, space, and national security. You'll join a team of engineers, scientists, and mission ‑ driven builders who care deeply about solving hard problems that matter. We move quickly, support each other, and take pride in doing work that has real impact. 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.
  • Employment Eligibility 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.

Nice to have

  • Prior experience with Aerospace or Military Grade engineering is a plus.

Skills

  • Excellent analytical and communication skills, including strong writing skills.

Compensation

  • 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.

Benefits

  • 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.

Company info

  • We are seeking a Nuclear Thermal Hydraulics Engineer specializing in thermal-hydraulics to support the design

Visa & Work Authorization

  • 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.

This listing is sourced directly from csmc's careers page and normalized into a canonical job model.