Senior Engineer - Mainframe

Westpac; Gold Coast City; Hybrid; AUD 120,000 - 180,000; Full time

Job summary

Westpac invites you to join Surfers Paradise, Gold Coast, as a Senior Mainframe Engineer on a permanent hybrid basis. You will work across critical mainframe systems, leveraging AI-enabled tools to accelerate delivery and solve complex problems, while mentoring colleagues and helping grow our Gold Coast engineering hub.

This role sits at the heart of Australia’s oldest bank, with opportunities to influence modern tech strategies, participate in cross-functional teams, and contribute to a

Qualifications

• Strong experience with COBOL and/or PLI, plus JCL, CICS, IMS, and batch processing.
• Proven experience supporting and enhancing applications on z/OS.
• Comfort using AI tools and coding assistants in daily software engineering.
• Strong troubleshooting including production support, debugging, and performance analysis.
• Interest in modern tech like Java, APIs, and event-driven services.

Responsibilities

• Work across core mainframe systems and modern platforms.
• Mentor fellow engineers and build capability in the Gold Coast hub.
• Leverage AI-enabled tools to accelerate delivery.
• Address complex problems and optimize performance.
• Contribute to a connected, full-spectrum engineering workforce.

Skills

COBOL/PLI

JCL

CICS

IMS

Batch processing

z/OS

AI tools

Debugging

Java

APIs

Event-driven services

Tools

AI-enabled tooling

Job description

Create your best future and join Westpac as a Senior Mainframe Engineer.

What's the role?

Join us in Surfers Paradise, Gold Coast, on a permanent hybrid basis and help power the technology that sits at the heart of Australia’s oldest bank. Our core banking platform supports millions of customer transactions every day, and we're looking for a Senior Mainframe Engineer who wants to make a genuine impact while helping shape the future of engineering.

You'll work across critical mainframe systems and modern technology platforms, using AI enabled tools to accelerate delivery and solve complex problems. This is more than a hands on engineering role. You'll help build capability within a growing Gold Coast engineering hub, mentor fellow engineers and contribute to the evolution of a more connected, full spectrum engineering workforce.

If you enjoy solving meaningful challenges, sharing knowledge and working on technology that truly matters to millions of customers, you'll feel right at home here.

What do I need?

• Strong experience with COBOL and/or PLI, supported by knowledge of JCL, CICS, IMS and batch processing
• Proven experience supporting and enhancing applications on z/OS platforms
• Confidence using AI tools and coding assistants as part of everyday software engineering
• Strong troubleshooting skills, including production support, debugging and performance analysis
• Interest in working across modern technologies including Java, APIs and event driven services

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.