Senior Quantitative Analyst

Job Requisition Details

REQ#142387

Location: Johannesburg, Gauteng

Closing Date: 16 October 2025

Talent Acquisition: Bongiwe Mchunu

Job Family

Career Stream

Leadership Pipeline

FAIS Affected

Job Purpose

We are seeking a Senior Quantitative Analyst to spearhead advanced analytics within our BCB division. Your role will involve designing and validating machine learning models, providing insights into client behavior, and shaping strategies for entrenchment and cross-selling that drive growth and improve customer retention. Ideally, you should have at least 8 years of experience working within a financial institution, demonstrating proven expertise in data science, statistical modeling, and managing large datasets. Strong proficiency in Python, R, or SQL is a must, along with the ability to distill complex analyses into clear, actionable business recommendations. This position blends analytical skills with leadership responsibilities, as you will oversee and mentor analysts, lead key projects, and collaborate closely with business teams to embed a data-driven approach to decision-making. A solid understanding of financial products and customer behavior in banking is essential. Join us to shape strategy at a large scale and make analytics a cornerstone of how we grow and better serve our clients.

Job Responsibilities

• Build and formally present reports by monitoring business performance within the set risk appetite and through analysis.
• Report to; monitor and advise operational areas to manage trends through analysis for ad-hoc requirements.
• Manage client expectations by liaising with stakeholders through the model build process as well as the systems and strategy development process.
• Increase efficiencies through programming and automating processes.
• Enhance business efficiencies and ensure compliance through formal communications and interacting with external bodies.
• Challenge model builds from around the cluster through peer review participation and ensuring best practice.
• Contribute to a culture conducive to the achievement of transformation goals by participating in Nedbank Culture building initiatives (e.g. staff surveys etc).
• Research and make recommendations for corporate citizenship initiatives in area of influence
• Participate and support corporate responsibility initiatives for the achievement of business strategy (e.g.. Green Strategy).
• Seek opportunities to improve business processes; models and systems by identifying and recommending effective ways to operate and adding value to Nedbank.
• Contribute to the development of differentiated; superior solutions (solution engineering) that meet stakeholder and business requirements through analysis; business requirements gathering and designs validation.
• Ensure product and/or solution design is congruent with the required business specifications through meeting stakeholder requirements timeously.
• Contribute to the development of differentiated; superior solutions (solution engineering) that meet stakeholder and business requirements through analysis; business requirements gathering and designs validation.
• Ensure product and/or solution design is congruent with the required business specifications through meeting stakeholder requirements timeously.
• Ensure continuity and record keeping through formal sign-off at forums and by creating documentation.
• Ensure data accuracy through data and front-end analysis; pre and post testing of system/strategy changes.
• Ensure business process consistency through formal communication; updating and maintaining policies.
• Ensure accuracy and feasibility through impact analysis for newly developed products.
• Review reporting and ensure accuracy through analysis and providing feedback.Providing advice to key operational areas ensuring optimal resource allocation and desired results through analysis and communication.
• Manage access and change control and ensure compliance by creating change logs and restricting/providing access.
• Take corrective action where risk is identified in any processes; models or reporting; through analysis and formal communication.
• Support the achievement of the business strategy; objectives and values by reviewing Nedbank and Business Unit Plan and ensuring delivered systems; process; services and solutions are aligned.
• Improve personal capability and stay abreast of developments in field of expertise by identifying training courses and career progression for self through input and feedback from managers.
• Ensure personal growth and enable effectiveness in performance of roles and responsibilities by ensuring all learning activities are completed; experience practiced and certifications obtained and/or maintained within specified time frames.
• Enable skilling and required corrective action to take place by sharing knowledge and industry trends with team and stakeholders during formal and informal interaction

Technical Skills Required

• This job requires various skills, including quantitative abilities such as machine learning, statistics, and business analytics.
• Additionally, advanced skills in Python or R are necessary, as well as familiarity with SQL/NoSQL and experience working with ML toolkits such as Pandas, Scikit-learn, R, SAS, or other relevant software. It would be best to have experience working with large data sets.
• Furthermore, strong written and verbal communication skills are essential, as is a desire to work effectively in cross-functional teams.

Essential Qualifications - NQF Level

Preferred Qualification

• Bachelors degree in Mathematics, Computer Science, Engineering, Econometrics,  Statistics , Actuarial Science or any equivalent qualification

Minimum Experience Level

• 3–5 years of experience in a similar role within a Analytical environment, specifically involving risk modeling or scorecard development using tools like SAS, Python, R, or Excel 

Technical / Professional Knowledge

Behavioural Competencies