Job Description

What’s the role?

As a hands‑on Senior Engineer, you’ll be responsible for designing, building and supporting Mainframe systems that power Westpac’s Consumer Finance technology. You’ll work in an agile delivery environment supporting core platforms, contributing to major transformation initiatives and ensuring changes are designed with performance, resilience and recovery in mind.

This role is based in Sydney, where our Mainframe platforms and domain experts are located.

What do I need?

• Strong hands‑on capability with IMS DB/DC, CICS, VSAM, JCL, COBOL and/or PL/I, ZOS Connect, Endevor, Control-M, OPC, Mainframe Debugging Tools (e.g. IMS Xpert, File-Aid, ABEND-AID)
• Experience working on card‑based products such as Credit or Debit Cards
• Strong problem‑solving skills with the ability to analyse, debug and minimise impact to existing systems
• Ability to collaborate effectively with service owners and translate requirements into clear technical solutions.

Desirable:

• Passion for automation
• Other Mainframe Domain knowledge in particular Core domain knowledge desirable (CIS, Trading Bank, BIS etc.)
• Visa/Mastercard and EPFOS Schemes
• Knowledge in Plastic, PIN and Virtual/Mobile Cards

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