Senior Penetration Tester

Westpac Group; Sydney; Hybrid; AUD 180,000 - 260,000; Full time

Benefits offered by this job

Mortgage discounts

Flexible work arrangements

Learning & development

Community volunteering

Job summary

Westpac Group is seeking a Senior Penetration Tester to advise business and IT units on information security, focusing on penetration testing and vulnerability management. You will perform testing, drive remediation through detailed reporting, and implement security policies, frameworks, and controls across business processes, apps, and third‑party environments.

You will also deploy security solutions, support governance and risk strategies, contribute to process improvements, and clearly

Qualifications

• Advanced penetration testing across web, network, app, mobile and infra.
• Experience in information security, risk management or equivalent roles.
• Experience documenting security requirements and reporting vulnerabilities to stakeholders.
• Mandatory penetration testing certifications (OSCP/OSWE/OSCE, CREST, SANS).
• Familiarity with OWASP/OSSTMM and automated testing tools.
• Strong software development knowledge and threat modelling.
• Awareness of AI security concepts and attacker surfaces.
• Ability to work independently or in a team and build stakeholder relationships.
• Knowledge of AWS, Azure or Google Cloud; Docker/Kubernetes/OpenShift familiarity.
• Experience implementing automated security testing processes.

Responsibilities

• Perform penetration testing and drive remediation through detailed reporting.
• Advise on security policies, frameworks, and controls across processes, apps, and third parties.
• Recommend and deploy security solutions and support governance and risk strategies.
• Maintain security documentation and assist in incident investigations and remediation.
• Promote security awareness and lead a high-performing security team aligned with business goals.

Skills

Penetration testing

Threat modelling

Cloud security (AWS/Azure/GCP)

Security governance & risk management

AI security concepts

Team collaboration

Education

Penetration Testing certifications (OSCP/OSWE/OSCE/CREST/SANS)

Tools

Kubernetes

Docker

OpenShift

Automated security testing tools

Job description

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

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.

Job Info

• Job Identification 71742
• Job Category Information & Cyber Security