Posted:
9/29/2025, 1:13:52 PM
Location(s):
New South Wales, Australia ⋅ Sydney, New South Wales, Australia
Experience Level(s):
Senior
Field(s):
DevOps & Infrastructure ⋅ Software Engineering
You are collaborative and enjoy solving analytical problems to help our team to reach highest potential
We are a team of big thinkers who are engineering the future of banking
Together we will build tomorrow’s bank today, using world-leading technology and innovation
Do work that matters
Technology is the enabling force behind information technology functions for the Group to achieve the highest levels of customer experience, security and reliability, velocity, and innovation.
See yourself in our team
You will play a critical role maintaining and modernising our legacy systems while ensuring robust, scalable, and secure solutions that support key business operations.
We’re interested in hearing from people who:
Have solid hands-on experience designing, developing, and maintaining mainframe applications using PL/01, COBOL and JCL
Are confident analysing user requirements and translating them into technical specifications
Perform coding, testing, debugging, and optimisation of mainframe programs
Are constantly collaborating with cross-functional teams including business analysts, QA, and project managers to ensure successful delivery
Are knowledgeable providing technical guidance and mentorship to junior developers
Participating in code reviews and quality assurance activities
Maintaining technical documentation for software design, programming, and testing
Ensuring integration with existing systems and support disaster recovery planning
Implementing security best practices for mainframe systems
Ability to work independently and collaboratively in Agile environments
Exposure to financial services or regulated industries is advantageous
Tech Skills
We use a broad range of tools, languages, and frameworks. We don’t expect you to know them all but experience or exposure with some of these will set you up for success in this team:
Demonstrable experience in mainframe development
Proficiency in COBOL, PL/1 and JCL
Proficiency in Java programming language
Strong understanding of SDLC, system architecture, and performance optimisation
Experience with DB2, CICS, and debugging tools like AbendAid or FileAid is a plus
Experience with legacy system modernisation and integration with cloud-native platforms
Familiarity with DevOps tools such as Jenkins and Git.
Knowledge of data governance and secure processing standards
Experience with monitoring and observability tools such as Prometheus/Grafana, Splunk, AWS CloudWatch
Event-driven architecture leveraging Kafka, Kinesis, SNS/SQS, or Eventbridge
Expertise in Security Engineering principles and implementation
Cloud-native development, preferably with AWS
Working with us
We support our people with the flexibility to balance where work is done with at least half their time connecting in our Sydney office.
We also have many other flexible working options available including changing start and finish times, part-time arrangements and job share to name a few.
If this sounds like you, apply now!
If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.
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Website: https://commbank.com.au/
Headquarter Location: Sydney, New South Wales, Australia
Employee Count: 10001+
Year Founded: 1911
Last Funding Type: Post-IPO Debt
Industries: Banking ⋅ Finance ⋅ Financial Services ⋅ Wealth Management