Accounting & Finance

Senior Manager - Model Validation

S.I. Systems Ltd.

Toronto · Ontario · Canada

  • Lead validations across AML, treasury, and credit risk, including transaction monitoring, customer risk rating, ICAAP and enterprise-wide stress testing, interest rate risk, liquidity, IFRS 9, and AIRB.
  • Set the validation strategy and plan for each review.
  • Challenge model methodology, assumptions, data, and implementation, and separate material issues from minor ones.
  • Run and review outcome, sensitivity, scenario, and benchmark testing, mainly in Python.
  • Write validation reports and present findings to developers, business owners, and senior management.
  • Act as a trusted advisor to model owners while keeping validation independent.
  • Support governance work such as regulatory self-assessments, annual attestations, and risk reporting.
  • Over time, mentor and supervise junior validators.

What you bring

  • Experience validating or developing AML models. This is the top priority for the team.
  • Treasury and stress testing experience (ICAAP, enterprise-wide stress testing, IRRBB, liquidity). Credit risk experience is also valued.
  • Working knowledge of OSFI's Capital Adequacy Requirements (CAR), ICAAP expectations, and IFRS 9.
  • A Master's in a quantitative field. A mathematics or mathematical finance background is strongly preferred. A PhD is an asset.
  • Model development experience before or alongside validation.
  • Strong Python skills. MATLAB is a plus.
  • Insurance modelling experience is an asset.
  • Excellent communication, with a track record of explaining complex findings to non-technical audiences.

Two rounds: a technical interview with a director, then a conversation with the VP, Model Risk Management.

What you'll do

  • Lead validations across AML, treasury, and credit risk, including transaction monitoring, customer risk rating, ICAAP and enterprise-wide stress testing, interest rate risk, liquidity, IFRS 9, and AIRB.
  • Set the validation strategy and plan for each review.
  • Challenge model methodology, assumptions, data, and implementation, and separate material issues from minor ones.
  • Run and review outcome, sensitivity, scenario, and benchmark testing, mainly in Python.
  • Write validation reports and present findings to developers, business owners, and senior management.
  • Act as a trusted advisor to model owners while keeping validation independent.
  • Support governance work such as regulatory self-assessments, annual attestations, and risk reporting.
  • Over time, mentor and supervise junior validators.

What you bring

  • 5+ years in quantitative modelling or model validation in financial services (7 preferred).
  • Experience validating or developing AML models. This is the top priority for the team.
  • Treasury and stress testing experience (ICAAP, enterprise-wide stress testing, IRRBB, liquidity). Credit risk experience is also valued.
  • Working knowledge of OSFI's Capital Adequacy Requirements (CAR), ICAAP expectations, and IFRS 9.
  • A Master's in a quantitative field. A mathematics or mathematical finance background is strongly preferred. A PhD is an asset.
  • Model development experience before or alongside validation.
  • Strong Python skills. MATLAB is a plus.
  • Insurance modelling experience is an asset.
  • Excellent communication, with a track record of explaining complex findings to non-technical audiences.

Interview process

Two rounds: a technical interview with a director, then a conversation with the VP, Model Risk Management.

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Reference: WJ-4703_9422060

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