Westpac

Banking and financial services for customers

Senior Penetration Tester

Offensive Security & TestingConfirmed live in the last 24 hours

Full-timeSydney NSW, AustraliaNo salary listedIn-person

About the Job

Requirements

Experience performing advanced web, network, application, mobile, and infrastructure-level penetration testing.
Experience in information security, application security, information technology, risk management, or an equivalent role.
Experience identifying and documenting security requirements, writing penetration testing reports, and communicating identified vulnerabilities to internal stakeholders.
Formal certification or education in penetration testing, such as OSCP, OSWE, OSCE, CREST, HTB CPTS, or advanced SANS certifications.
Working knowledge of regulatory frameworks such as OWASP and OSSTMM related to information security, and experience implementing automated security testing tools and processes.
Strong expertise in software development and risk analysis or threat modeling.
Familiarity with modern artificial intelligence concepts such as LLM security, prompt injection, and agentic AI attack surfaces, and knowledge of how artificial intelligence can enhance penetration testing methodologies.
Ability to work individually and within a team environment and build strong relationships with internal stakeholders.
Solid understanding of one or more cloud platforms: AWS, Microsoft Azure, or Google Cloud.
Experience implementing automated security testing tools and processes.

Responsibilities

Advise Westpac business and IT units on information security, focusing on penetration testing and vulnerability management.
Perform penetration testing and drive remediation through detailed reporting.
Advise on and implement security policies, frameworks, and controls across business processes, applications, and third-party environments.
Recommend and deploy security solutions.
Support governance and risk-aligned strategies.
Contribute to process improvements and communicate security concepts clearly to stakeholders.
Maintain security documentation and compliance.
Investigate and report on security incidents.
Implement controls and provide clear insights to stakeholders.
Promote security awareness.
Lead and develop a high-performing team aligned with business objectives.

Desired Qualifications

Knowledge of containerization technologies such as Kubernetes, Docker, Podman, and OpenShift.

Create your best future and join Westpac as a Senior Penetration Tester.

What’s the role?

The role will be responsible for advising Westpac business and IT units on information security, with a focus on penetration testing and vulnerability management.

Your key responsibilities will include performing penetration testing and driving remediation through detailed reporting, while advising on and implementing security policies, frameworks, and controls across business processes, applications, and third-party environments. You will also recommend and deploy security solutions, support governance and risk-aligned strategies, contribute to process improvements, and communicate security concepts clearly to stakeholders.

Additionally, your responsibilities will include maintaining security documentation and compliance, investigating and reporting on security incidents, implementing controls and providing clear insights to stakeholders, promoting security awareness, and leading and developing a high-performing team aligned with business objectives.

What do I need?

Experience performing advanced web, network, application, mobile and infrastructure level penetration testing.
Experience in information / application security, information technology, risk management, or equivalent role.
Experience in identifying and documenting security requirements and writing Penetration Testing reports and communicating identified vulnerabilities to internal stakeholders.
Formal certification or education in Penetration Testing (e.g., OSCP, OSWE, OSCE, CREST, HTB CPTS, or advanced SANS certifications) is a mandatory requirement for this role.
Working knowledge of regulatory frameworks such as OWASP, OSSTMM related to Information Security and implementing automated security testing tools and processes.
Strong expertise in software development and risk analysis / threat modelling.
Familiarity with modern AI concepts such as LLM security, prompt injection and agentic AI attack surfaces, and how AI can be leveraged to enhance penetration testing methodologies.
Ability to work both individually and within a team environment and build strong relationships with the internal stakeholders.
Solid understanding of one or more of the following Cloud platforms: AWS, Microsoft Azure, Google Cloud. Knowledge of Containerisation technologies such as Kubernetes, Docker, Podman and OpenShift is favourable.
Experience implementing automated security testing tools and processes.

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.

#LI - Hybrid.

About the Company

Westpac

Banking and financial services for customers

Westpac is an Australian bank offering a wide range of financial services for individuals and businesses, including everyday banking, loans, payments, and digital banking.

Company size: 10,001+
Company stage: IPO
Headquarters: Sydney NSW, Australia
Founded: 1817

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