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 and DevSecOps strategy, responsible for designing, implementing, and maintaining our database environments. You will play a key role in automating processes, enhancing security through DevSecOps practices, 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 a hands-on technical leadership position specialising in backup, restore, and cyber resilience within AWS. You will be accountable for the design and evolution of scalable, secure, and highly resilient backup platforms, with a strong focus on Commvault, AWS-native services, and air-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 operate enterprise backup and restore platforms using Commvault 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 with Commvault 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 on high-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