Principal Platform Engineer

You are passionate, driven, flexible and collaborativeWe are a team of big thinkers who are engineering the future of bankingTogether we will build tomorrow’s bank today, using world-leading technology and innovation

Do work that matters

CommBank is recognised as leading the industry in IT and operations with world-class platforms and processes, driving innovation across customer-facing technology and internal services

You’ll help uplift how engineers build and ship software by enabling modern full-cycle practices and developer experience improvements

See yourself in our team

As a Principal Platform Engineer, you will provide technical leadership to design, build and evolve secure, scalable and reliable platform capabilities, enabling engineering and data teams to deliver high-quality outcomes at pace

What You’ll Do

Lead and mentor engineers, setting best practices for full stack engineering and modern platform developmentProvide technical leadership and direction across platform engineering initiatives, ensuring solutions are scalable, secure, reliable and fit for purposeSupport the development of platform strategy, roadmap, architecture and design for products and servicesDesign, build and evolve modern platform capabilities that enable engineering and data teams to deliver safely and at paceEstablish and promote engineering standards, reusable patterns, guardrails and golden paths for consistent platform deliveryDrive automation-first practices across provisioning, deployment, monitoring and lifecycle management of platform components.Improve developer experience through self-service capabilities, reusable templates, standardised pipelines and simplified delivery patternsPartner with product owners, architecture, security, risk, governance, data and engineering teams to ensure platform solutions meet enterprise standardsIdentify and remediate technical debt, risks and issues across platform services through transparent planning and prioritisationDrive platform observability, reliability, performance engineering and cost optimisationApply a strong risk mindset by proactively identifying, discussing and acting on current and future risks

What We’re Looking For

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 (or equivalents) will set you up for success in this team;

Experience with modern cloud data platforms, preferably using Airflow, DBT, Snowflake, and AWS, including security, access controls, performance optimization, workload management and cost governanceExperience with transformation frameworks, including modular data modelling, testing, documentation, lineage and CI/CD integrationExperience with batch and near real-time data processing patterns across ingestion, transformation, orchestration, quality, observability and consumptionStrong capability with modern engineering practices including automation, CI/CD, infrastructure-as-code, reliability engineering and secure-by-design delivery using tools such as Github Actions and TerraformAbility to build solutions that are fit for purpose, reliable, scalable, secure, governed and easy to operateUnderstanding of release, change management and risk management processes in an enterprise environmentStrong problem-solving and stakeholder management skills, with experience in financial services preferred but not essential

Working with us

Whether you’re passionate about customer service, driven by data, or called by creativity, a career with CommBank is for you.

We support our people with the flexibility to balance where work is done with at least half your time each month connecting in our Sydney or Melbourne 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. Talk to us about how these arrangements might work for you.

Here, you’ll thrive. You’ll be supported when faced with challenges and empowered to tackle new opportunities. We’re hiring engineers from across Australia and have opened technology hubs in Melbourne and Perth. We really love working here, and we think you will too.

If you're ready to take your engineering skills to the next level, apply now and become a part of our exceptional team!

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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Advertising End Date: 30/08/2026