Principal Platform Engineer

Principal Platform Engineer - AWS Cloud (Data Protection & Storage)

Your Impact and Contribution

As a Principal Platform Engineer, you will be at the forefront of our database andDevSecOpsstrategy, responsible for designing, implementing, and maintaining our database environments. You will play a key role in automating processes, enhancing security throughDevSecOpspractices, deploying monitoring tools, and maintaining high-quality documentation to ensure our infrastructure remains robust, resilient, and reliable.

As part of the Data Protection & Storage (DPSS) crew, you’ll work with a highly skilled team of engineers and collaborate in an environment that fosters innovation and upholds engineering excellence. In this solution-focused team, you will contribute to the ongoing delivery of world-class outcomes.

The Role

This Principal Platform Engineer role is ahands-on technical leadership position specialising inbackup, restore, and cyber resilience within AWS. You will be accountable for thedesign and evolution of scalable, secure, and highly resilient backup platforms, with a strong focus onCommvault,AWS-native services, andair-gapped cyber recovery environments.

You will set technical direction, establish repeatable patterns, uplift engineering standards, and actively mentor other engineers across the DPSS and broader cloud platform community.

Key Responsibilities

• Design and operateenterprise backup and restore platforms usingCommvault on AWS

• Engineer air-gapped and isolated recovery environments to support ransomware resilience

• Build and optimise restore strategies, including cross-account recovery

• Develop AWS infrastructure using infrastructure as code and DevSecOps practices

• Work at expert level across AWS services including S3, EC2, RDS, CodeCommit, CodeBuild, CodeArtifact, Guard Duty, Wiz and others

• Strengthen security, reliability, and observability of backup and recovery platforms

• Provide principal-level technical leadership, design assurance, and mentoring,influencing platform direction across multiple squads and crews

• Partner closely with security and risk stakeholders to uplift cyber resilience, threat modelling, and recovery assurance

• Design repeatable testing strategies for backup integrity, restore confidence, and disaster recovery scenarios

• Mentor and uplift engineers through coaching, design reviews, and shared engineering patterns

• Accelerate value delivery and innovation by improving engineering velocity through the use of AI

• Contribute to strategic technical decisions, trade-offs, and long-term platform roadmaps

What We’re Looking For

• Strong experience withCommvault backup and restore in enterprise environments

• Proven delivery of air-gapped cyber backup or isolated recovery solutions

• Deep AWS expertise, including RDS snapshot-based recovery

• Expert-level capability across AWS cloud, CI/CD, and infrastructure as code

• Strong security mindset with experience embedding DevSecOps and compliance controls

• Ability to influence technical direction beyond a single squad or team, aligned to Principal Platform Engineer expectations

Why Join DPSS?

• Work onhigh-impact, board-visible cyber resilience and recovery platforms

• Operate at principal level with real architectural influence

• Be part of a deeply technical crew that values engineering excellence, automation, and security-first design

• Flexible working, strong learning culture, and career pathways aligned to CBA’s engineering mastery framework

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 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 the role for you then we would love to hear from you. Apply today!

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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