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 theData 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 positionspecialising 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 robust 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 platformsusingCommvaulton AWS

Engineerair-gapped and isolated recovery environmentsto support ransomware resilience

Build and optimiserestore strategies, including cross-account recovery

Develop AWS infrastructure usinginfrastructure as codeandDevSecOpspractices

Work at expert level across AWS services includingS3, EC2, RDS,CodeCommit,CodeBuild,CodeArtifact,GuardDuty,Wizand others

Strengthensecurity, reliability, and observabilityof 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 upliftcyber 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 valuedeliveryand innovation by improving engineering velocitythrough the use ofAI

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

What We’re Looking For

Strong experience withCommvault backup and restorein enterprise environments

Proven delivery ofair-gapped cyber backup or isolated recovery solutions

Deep AWS expertise, includingRDS snapshot-based recovery

Expert-level capability acrossAWS cloud, CI/CD, and infrastructure as code

Strong security mindset with experience embeddingDevSecOpsand compliance controls

Ability to influence technical direction beyond a single squad or team, aligned toPrincipal Platform Engineerexpectations

Why Join DPSS?

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

Operate at principal level withreal architectural influence

Be part of a deeply technical crew that valuesengineering 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.

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📌 Principal Platform Engineer (New South Wales)
🏢 Commbank
📍 New South Wales