Senior Manager, Performance Modelling

Sydney Location / Hybrid Working

How will I help?

This is a high-impact opportunity to join Westpac's Home Lending Delivery Unit as Senior Manager, Performance Modelling.

In this role, you will help manage the balance sheet performance of the Mortgage portfolio by delivering quality, data-driven insights that support better decisions, stronger forecasting and improved portfolio outcomes.

You will develop, own and uplift mortgage performance models, forecasting and scenario analysis capabilities that project mortgage growth, volume and balance sheet outcomes.

Working closely with Executive Leadership, Home Lending Delivery Unit leaders and partners across Finance, Distribution, Product, Strategy and Risk, you will translate complex data into clear, actionable insights that support growth across priority segments and channels.

Your Responsibilities

Deliver actionable insights and forecasts to Executive Leadership and Home Lending Delivery Unit leaders.

Provide projections and forecasting of balance sheet outcomes, including key growth drivers and momentum.

Develop, own and maintain mortgage performance models, forecasting frameworks, UDAs, scenario analysis and sensitivity modelling capability.

Identify priority and opportunity segments, channels and geographies to improve mortgage portfolio growth performance.

Provide scenario and sensitivity modelling for business scenarios such as Federal Budget changes or Home Guarantee Scheme changes.

Act as a subject matter expert on balance sheet momentum, including pipeline performance, channels, segments, geography and external benchmarking.

Develop reporting capabilities with Group data and partners, turning performance data into clear decision support.

Partner with Operations, Distribution and Finance on volume forecasts, targets and performance reporting.

Your Checklist for Success

Strong experience in performance modelling, predictive or financial modelling, forecasting, analytics or portfolio performance management.

Financial services experience, ideally across Home Ownership, Mortgages, Product, Finance, Data Modelling or adjacent banking portfolios.

Advanced spreadsheet capability, including experience working with large Excel models and complex datasets.

Hands-on SQL and Python experience for data analysis is strongly preferred.

Ability to break down complex problems, identify opportunities and convert analysis into practical business recommendations.

Excellent verbal, written and presentation skills, with the ability to influence senior leaders and cross-functional stakeholders.

Ability to work autonomously with time pressure, shifting priorities and a dynamic operating environment.

Degree qualification in quantitative discipline such as data analysis, finance, accounting, economics, mathematics or a related field.

Experience with Tableau or SAS is preferred but not essential.

What's in it for you?

You'll work on commercially important modelling and forecasting that supports one of Westpac's most significant portfolios. This is a visible role with exposure to senior leaders and the opportunity to shape how the Home Lending business understands performance, growth and future opportunity.

At Westpac, we're creating better futures together. We welcome applications from people of all backgrounds, identities and experiences and are committed to creating an inclusive workplace where everyone can thrive.

Our Promise to You

We’re obsessed with becoming our customers' #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return, we’re committed to making Westpac the best place to work in the country.

Here are just a few of the ways we’re already doing that:

Special offers on banking products and discounts from top brands, including generous employee-only mortgage rates!

Flexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave.

Tailored learning and development opportunities to help grow your career within the bank.

Lots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives.

Create your future today!

We’re all about creating a supportive and inclusive community. We welcome everyone – no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community.

If you need any adjustments during the recruitment process, you can find out more information and additional contact details by visiting the "People with Disability and/or needing Accessibility Requirements" page on our website .

We may close this job advertisement earlier than the advertised closing date if suitable candidates are identified. We encourage you to apply as soon as possible.