Title:  Audit Portfolio Manager: Model Risk

REQUISTION DETAILS

REQ 146387 Thembi Mtshali

Location: Johannesburg

Closing date: 8 July 2026

Job Family

Career Stream

Leadership Pipeline

Job Purpose

To deliver on the annual audit plan thereby providing reasonable assurance to stakeholders that key risks are being mitigated through adequate and effective management controls in accordance with Group Internal Audit (GIA) methodology.

Job Responsibilities

•    Reviewing key aspects of each model under review: model design, model documentation, quality of model inputs, model implementation and model governance 
•    Performing audit fieldwork in terms of the audit program. 
•    Documenting the audit testing performed. 
•    Stakeholder engagements on audit issues identified.
•    Drafting of audit report: including executive summary and detailed audit findings. 
•    Evaluating and monitoring of corrective actions taken to address control weaknesses identified. 
•    Attendance of key risk committee and technical risk committee meetings where relevant 
•    Interaction with the regulating authorities on model related matters. 
•    Maintaining awareness of risk issues and changes across business units within Nedbank Group, as well as the Financial Industry 
•    Seeking out internal and external best practice information to improve the quality of audits and provide customers with world-class perspectives and solutions.
•    Reporting significant issues related to the processes for controlling the activities of the Group whilst considering key/or emerging risks in annual audit plan.
•    Ensuring continuous improvement of the quality of audits through providing professional insights;
•    Providing insights from the outcomes of internal audit work to appropriate governing bodies, including the GAC and Board Risk Committee.
•    Maintaining an open and constructive relationship as a Trusted Advisor with senior internal and external stakeholders including Institute of Internal Audit, SARB, External Audit and Business Executives.
•    Building rapport and understand client current business reality, requirements, risks, and expectations and consider key and/or emerging risks in annual audit plan.
•    Ensuring that billable hours, budgets, and resources are optimally planned, and quality audits are delivered.

Essential Qualification

•    A Business Mathematics/Statistics/Actuarial/Financial Engineering/Informatics/Quantitative Risk Management Degree with majors in Mathematics and Statistics is essential. 
•    A post graduate degree would be advantageous. 

Minimum Experience Level

•    3-5 years experience in model development, testing and validation or Model/Quantitative risk Audit (preferably within the banking or similar financial services industry);
•    Ability to operate independently with minimal supervision; 
•    Knowledge of statistical, financial, risk and quantitative methods; 
•    Proficiency in programming software packages such as SAS, SQL, R, VBA, PYTHON and MATLAB. 
•    Understanding of credit, operational, market and liquidity risk models as defined by Basel II & III will be advantageous
•    A comprehensive understanding of relevant financial services regulatory frameworks and compliance requirements as well as practical experience of these. 
The following additional experience is preferred:
•    Extensive internal/external audit and / or risk management experience in banking;
•    Actuarial and/or Market Risk experience.
•    Credit Risk Knowledge

Types of exposures

Each model audit assesses: model design, model documentation, quality of model inputs and data, model implementation (usage) and model governance. It assesses the following models:

•    Credit risk models 
•    Market risk models  
•    IFRS9 Models
•    Pricing models 
•    Liquidity risk models 
•    Pillar II Risk Models 
•    Stress testing models 
•    Regulatory and Economic capital models 
•    Financial Crime Risk Models

Technical / Professional Knowledge

Behavioural Competencies