Senior Quantitative Analyst, Enterprise Models

Westpac Group; Sydney; Hybrid; AUD 110,000 - 150,000; Full time

Job summary

Westpac Group in Sydney is seeking a qualified risk model professional to join the Model Risk team, focusing on independent validation of enterprise models across capital, AML, liquidity and conduct risk.

You will collaborate with stakeholders across the bank to review methodologies, assess performance and strengthen model risk practices, with flexible hybrid working and a path to deepen expertise in AI/ML-driven modelling.

Qualifications

• Experience with quantitative or mathematical models.
• Strong programming capabilities in Python, R, SQL or SAS.
• Excellent ability to communicate complex findings clearly.
• Strong stakeholder engagement and relationship skills.
• Background in statistics, mathematics, engineering, finance or econometrics.

Responsibilities

• Perform independent validation of enterprise models used across capital, financial crime, funding and liquidity risk.
• Review methodologies, assess model performance, and challenge assumptions.
• Collaborate with stakeholders to strengthen model risk management practices.
• Build expertise in model validation and contribute to meaningful risk outcomes.

Skills

Python

R

SQL

SAS

Stakeholder engagement

Communication

Statistics/Econometrics background

Education

Quantitative discipline background

Job description

Sydney, NSW, Australia

Job Description

What's the role?

If you're looking to deepen your exposure to enterprise wide risk modelling and broaden your stakeholder network across Westpac, this is an exciting opportunity to join the Model Risk team.

With investment secured to grow the Enterprise Models function and increasing focus on AI and machine learning across the Group, you'll have the opportunity to work on some of the bank's most strategic and evolving model risk challenges.

You'll work on the independent validation of enterprise models used across areas including capital, financial crime, funding and liquidity risk, operational risk, conduct and compliance risk. You'll partner with stakeholders across the bank to review methodologies, assess model performance, challenge assumptions and help strengthen model risk management practices.

This role offers the chance to build expertise in model validation while contributing to meaningful risk outcomes across the organisation.

This is a permanent full time opportunity based in Sydney / Warrane, Gadigal Country, with flexible hybrid working arrangements available.

What do I need?

• Experience working with quantitative or mathematical models
• Strong programming capability in tools such as Python, R, SQL or SAS
• Ability to communicate complex findings in a clear and practical way
• Strong stakeholder engagement and relationship building skills
• A background in statistics, mathematics, engineering, finance, econometrics or a related quantitative discipline

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 your 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 our FAQs 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.