Senior Modeller

Westpac Group; Sydney; Hybrid; AUD 140,000 - 190,000; Full time

Benefits offered by this job

Flexible work arrangements

Employee mortgage rates

Culture/Wellbeing leave

Learning and development

Volunteer opportunities

Job summary

Westpac Group in Sydney is seeking a Senior Modeller within Credit Risk Models to develop, maintain and enhance predictive models supporting IFRS 9 provisioning and credit risk outcomes.

You will work across PD, LGD and EAD models, collaborating with Risk, Data, Technology and business teams to deliver robust, well-governed modelling solutions and clear, data-driven insights.

Qualifications

• Strong experience in credit risk modelling, with practical exposure to IFRS 9 provisioning models.
• Sound knowledge of PD, LGD and EAD modelling, model performance and statistical methodologies.
• Advanced programming capability using SAS, Python, SQL, R, MATLAB or similar analytical tools.
• Strong experience in data manipulation, cleansing, statistical analysis and model development.
• Ability to communicate complex modelling concepts clearly and collaborate effectively with Risk, Data, Technology and business stakeholders.
• Strong analytical and problem-solving capability, with a mindset focused on innovation, continuous improvement and model performance.

Responsibilities

• Develop, maintain and enhance predictive credit risk models (PD/LGD/EAD) and IFRS 9 provisioning.
• Monitor model performance and implement improvements across risk frameworks.
• Collaborate with Risk, Data, Technology and business teams to ensure governance and policy alignment.
• Own modelling outcomes from analysis through to implementation and monitoring.

Skills

IFRS 9 provisioning

PD/LGD/EAD modelling

SAS/Python/SQL/R/MATLAB

Data manipulation

Stakeholder communication

Analytical problem solving

Tools

SAS

Python

SQL

R

MATLAB

Job description

Create your best future and join Westpac as a Senior Modeller, Credit Risk Models

What’s the role?

As a Senior Modeller within Credit Risk Models, you’ll develop, maintain and enhance predictive models supporting Westpac’s credit risk and provisioning outcomes, with a strong focus on International Financial Reporting Standard 9 (IFRS 9).

You’ll work across Probability of Default (PD), Loss Given Default (LGD) and Exposure at Default (EAD) models, covering model development, performance monitoring and ongoing enhancement. You’ll collaborate with Risk, Data, Technology and business stakeholders to ensure models are robust, well-governed and meet internal policy and regulatory requirements.

You’ll make an impact by challenging existing methodologies, exploring new modelling approaches and identifying opportunities to improve credit risk decision-making, while owning high-quality modelling outcomes from analysis through to implementation and monitoring.

This is a permanent fulltime role based in Sydney, with flexible working arrangements.

What do I need?

• Strong experience in credit risk modelling, with practical exposure to IFRS 9 provisioning models
• Sound knowledge of PD, LGD and EAD modelling, model performance and statistical methodologies
• Advanced programming capability using SAS, Python, SQL, R, MATLAB or similar analytical tools
• Strong experience in data manipulation, cleansing, statistical analysis and model development
• Ability to communicate complex modelling concepts clearly and collaborate effectively with Risk, Data, Technology and business stakeholders
• Strong analytical and problem-solving capability, with a mindset focused on innovation, continuous improvement and model performance

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 you 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 more information and contact details on ourFAQs and how to contact us page, under the ‘Diversity, sustainability and flexibility’ section.

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.