Principal Platform Engineer

Responsibilities

• Lead and mentor engineers, setting best practices for full stack engineering and modern platform development
• Provide technical leadership and direction across platform engineering initiatives, ensuring solutions are scalable, secure, reliable and fit for purpose
• Support the development of platform strategy, roadmap, architecture and design for products and services
• Design, build and evolve modern platform capabilities that enable engineering and data teams to deliver safely and at pace
• Establish and promote engineering standards, reusable patterns, guardrails and golden paths for consistent platform delivery
• Drive 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 patterns
• Partner with product owners, architecture, security, risk, governance, data and engineering teams to ensure platform solutions meet enterprise standards
• Identify and remediate technical debt, risks and issues across platform services through transparent planning and prioritisation
• Drive platform observability, reliability, performance engineering and cost optimisation
• Apply a strong risk mindset by proactively identifying, discussing and acting on current and future risks

Requirements

• 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 governance
• Experience with transformation frameworks, including modular data modelling, testing, documentation, lineage and CI/CD integration
• Experience with batch and near real-time data processing patterns across ingestion, transformation, orchestration, quality, observability and consumption
• Strong 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 Terraform
• Ability to build solutions that are fit for purpose, reliable, scalable, secure, governed and easy to operate
• Understanding of release, change management and risk management processes in an enterprise environment
• Strong 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.
• 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: 09/07/2026

Benefits

Additional Information

You are passionate, driven, flexible and collaborative 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 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

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