💼 Full-Time Position

Senior Data Scientist, Model Validation (Montreal)

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National Bank
📍 montreal (administrative region), qc, Canada
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Location
montreal (administrative region), Canada
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Posted
June 27, 2026
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

A career as a Senior Data Scientist, Validating models in the Risk Management Models team at National Bank means acting as a specialist who ensures the robustness, reliability and regulatory compliance of credit risk models. This position allows you to have a concrete impact on the financial strength of the organisation thanks to your expertise in statistical modelling, independent validation and regulatory frameworks.

Your job

  • Assess the conceptual soundness of credit risk models, including mathematical formulation, statistical rigour, assumptions, limitations and alignment with regulatory requirements and internal standards
  • Analyze the quality, relevance and integrity of the data used in the models, including key assumptions, exclusions, outliers and documentation quality
  • Test the performance and accuracy of models using robustness and stability analyses, sensitivity tests, benchmarks and impact analyses
  • Identify model uncertainti...