Job Category: Information & Cyber Security

Job Description:

Create your best future and join as an Information Security Senior Consultant (Public Key Infrastructure)

What's the role?

As an Information Security Senior Consultant, you'll help deliver and support enterprise cryptographic services across Westpac's technology environment. This includes digital certificates, encryption, tokenisation, key management services, and HSM technologies. You'll provide technical expertise to ensure secure cryptographic solutions align with security strategies and architecture standards while supporting deployment, configuration, and ongoing operations.

Additionally, you'll work closely with architects, engineers, and product teams to automate cryptographic service consumption, improve certificate lifecycle management, and reduce manual operational activities. You'll also help integrate vendor products, expose services through APIs and industry-standard interfaces, and contribute to documentation, training, and onboarding activities to deliver a seamless customer experience.

You will support PKI platforms and cryptography services, provide SME guidance to stakeholders, assist with production support, and collaborate on building secure, scalable automation solutions. This role combines information security, scripting, system administration, and application development skills to enhance security capabilities and drive contemporary cryptographic service delivery across the organisation.

What do I need?

- Experience working within financial services, banking, or other large enterprise environments, supporting security, encryption, digital certificates, and key management solutions.
- Strong experience with Public Key Infrastructure (PKI) technologies, including platforms such as Venafi and Microsoft PKI.
- Knowledge of cryptography, encryption, key management,



digital certificates, and HSM technologies.
- Ability to develop or support automation solutions using scripting or programming languages such as Python, C#, .NET, Java, or similar.
- Experience improving self-service and automated security processes, helping teams securely consume cryptographic services.
- Strong troubleshooting, incident investigation, and root cause analysis skills within complex technology environments.
- Excellent communication and stakeholder management skills, with the ability to collaborate across architecture, engineering, operations, and business teams.

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 you 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 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 , under the Diversity, sustainability and flexibility section.

📌 Information Security Senior Consultant (Public Key Infrastructure) (Sydney)
🏢 Westpac
📍 Sydney