Opportunity Data Science work from LinkedIn, X, Reddit and Upwork, in one list. Find me work
dataroles

Senior Quantitative Analyst / Manager, Markets Model Validation

Westpac Group westpac.com.au Open · verified Oct 24, 2026
Sydney Full-time Senior Data Science

At a glance

Senior Data Science role at Westpac Group. Sydney · full-time.

Pay not stated Data Science salary

RoleData Science
SenioritySenior
LocationSydney
EmploymentFull-time
PostedOct 13, 2026 · 11d ago
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Independently test models used in financial markets, risk and treasury, including derivative valuations and regulatory capital models
  • Challenge complex valuation and risk models, checking their assumptions and performance
  • Work with Markets, Risk and Treasury stakeholders on model governance and risk decisions

What you bring

  • You have strong quantitative experience in financial markets, including linear and nonlinear derivative valuation and risk models
  • You understand IRRBB modelling and the named regulatory standards, including APS111 and APS116
  • You can assess complex models independently and explain quantitative findings clearly to stakeholders
  • You can program in C++, R or a comparable language

Who this fits

This full-time permanent role suits a senior quantitative professional who can work independently and communicate with stakeholders at all levels. It is based in Sydney, Melbourne, Brisbane or Adelaide.

From the employer

What’s the role?

You'll play a key role in independently assessing and validating models used across Financial Markets, Risk and Treasury. From derivative valuation and market risk models through to regulatory capital and treasury models, you'll help ensure strong model governance and sound risk management across the business.

It's an exciting time to join the team. With continued investment in the Model Risk function and a growing focus on supporting increasingly sophisticated products, models and regulatory requirements, you'll have the opportunity to work on some of the bank's most strategic and complex model risk challenges while building deep expertise across markets, treasury and risk disciplines. This growth also creates opportunities for career development and progression as the team continues to expand.

This is a full-time permanent opportunity based in Sydney, Melbourne, Brisbane or Adelaide.

You'll work closely with stakeholders across Markets, Risk and Treasury, contribute to high-profile initiatives, and help shape model risk practices across the Group. The role offers exposure to a broad range of financial products, the opportunity to influence decisions at senior levels, and the chance to play a key role in the future growth and success of the team.

What do I need?

• Strong experience working in a financial markets quantitative environment, with expertise in derivative valuation and risk models across a range of products, including linear and nonlinear derivatives.

• Knowledge of IRRBB models and a sound understanding of relevant regulatory standards, including APS111, APS116, APS117, CPS226 and APS180.

• Ability to independently assess, challenge and validate complex valuation and risk models, applying strong analytical and problem solving skills.

• Excellent communication skills with the ability to explain complex quantitative concepts clearly and influence stakeholders at all levels.

• Programming capability in C++, R or a similar language. Experience with version control tools and market risk platforms such as Murex, Calypso, Real Time Credit Engine or QRM will be highly regarded.

Why join us?

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

To get started, simply click on the APPLY or APPLY NOW button

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.

Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Science

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.