Posted 25 August, 2026
Senior Infrastructure Services Specialist (Mainframe)
Westpac Group
Sydney, NSW, Australia
Full Time
Reference: 218_467287_71261
What's the role?
Support Westpac's complex mainframe environment, with a focus on performance and capacity planning. You'll provide technical expertise, investigate complex incidents, evaluate infrastructure changes and help ensure mainframe services are reliable and fit for purpose. Working with internal teams, partners and vendors, you'll contribute to service improvements, technical designs, recovery planning and the ongoing development of mainframe infrastructure solutions.
What do I need?
- Strong knowledge of IBM Z Systems and mainframe operations.
- Experience with mainframe performance analysis and capacity planning.
- Knowledge of mainframe technologies such as z/OS, IMS, CICS and DB2.
- Strong analysis, troubleshooting and problem-solving skills.
- Ability to communicate clearly and build effective relationships with internal teams, partners and vendors
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.
