Senior Quantitative Risk Model Validator

Nedbank; Johannesburg; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Nedbank is seeking an experienced credit risk modeller and validator to join our risk analytics team in Johannesburg. The role focuses on validating regulatory and economic capital models, impairment models and rating processes, with high visibility to board committees and external auditors.

You will work with senior modellers to develop, challenge, and refine models while expanding into areas such as loss forecasting and stress testing.

Qualifications

• Experience in Credit risk modelling, validation environment – AIRB or IFRS 9 preferred.
• Strong analytical and mathematical modelling capabilities.
• Ability to communicate complex findings to senior stakeholders.

Responsibilities

• Validate credit risk models and data, combining quantitative and qualitative validation.
• Provide SME input to build and refine risk models within business clusters.
• Develop independent models to assess improvements and perform challenger analyses.
• Publish reports to senior management and regulators, ensuring accuracy and transparency.
• Mentor junior staff and share knowledge to uplift the team’s capabilities.
• Keep up with regulatory changes and modelling best practices.

Skills

Credit risk modelling

Validation experience

Communication

Project management

Tools

SAS

SQL

Excel

Python

R

Job description

Nedbank is seeking an experienced credit risk modeller and validator to join our risk analytics team in Johannesburg. The role focuses on validating regulatory and economic capital models, impairment models and rating processes, with high visibility to board committees and external auditors.

You will work with senior modellers to develop, challenge, and refine models while expanding into areas such as loss forecasting and stress testing.