What's the Role:

The Senior AI Security Engineer is a senior technical authority responsible for the development, delivery, and operation of enterprise-scale application security capabilities across the organisation. The role owns and maintains strategic security platforms and services, providing leadership across application security controls to ensure solutions are compliant, resilient, and fit for purpose. It enables secure software delivery at scale by embedding robust security practices within a complex, regulated technology environment while supporting the developer community

Key Responsibilities:

• Act as a hands-on technical authority for application security, providing expertise across modern security controls in enterprise environments.
• Design and deliver application security solutions covering SAST, software composition analysis, secrets management, container security, and supply chain security.
• Own and operate security platforms and services, ensuring they are compliant, resilient, and available to engineering teams.
• Drive continuous improvement of security tooling, focusing on scalability, sustainability, and effectiveness across development platforms.
• Partner with engineering and platform teams to embed security into developer workflows, enabling automated and repeatable outcomes.
• Lead automation of vulnerability identification, remediation, and prevention, while supporting teams through practical security guidance and education.

What do I need?

• Proven ability to own and operate application security platforms end-to-end, ensuring availability, compliance, and ongoing effectiveness.
• Strong track record delivering high-quality, reliable, and scalable application security solutions in enterprise environments.
• Ability to make risk-based security decisions, balancing security requirements with engineering and delivery outcomes.
• Experience defining and maintaining enterprise-wide security standards, patterns, and authoritative guidance.
• Capability to identify and address systemic security risks and control gaps, with appropriate escalation where required.
• Demonstrated impact in improving application security maturity, including reducing repeat vulnerabilities and strengthening early detection across the SDLC.

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 out more information and additional contact details by visiting the "People with Disability and/or needing Accessibility Requirements" page on our website.