Senior Platform Engineer

• You are an experienced platform engineering professional

• We are a committed and high performing team

• Together we will deliver faster and simpler customer outcomes through the innovative use of data

Do Work That Matters

We're building tomorrow’s bank today, which means we need creative and diverse engineers to help us redefine what customers expect from a bank. Envisioning new technologies that are still waiting to be invented and reimagining products that support our customers and help build Australia’s future economy.
CommBank is recognised as a leader in IT and operations, with world-class platforms and processes, agile infrastructure, and innovation across everything from payments to internet banking and mobile apps. Our Software team is behind Australia’s number one banking app, NetBank, Cardless Cash, CommSec Pocket, and Spend Tracker. We go beyond a passion for web and mobile development—creating reliable APIs at a scale unique in Australia. And you could be a part of that journey.

See Yourself in the Team

The CBA Technology unit delivers the best digital banking services to Commonwealth Bank customers. It is responsible for digital delivery, group data and analytics, technology infrastructure, cyber security, fraud prevention, physical security, and business resilience across all divisions of CBA.
We’re also dedicated to delivering the best workplace technology experience for over 53,000 employees—providing the latest tools, technology, and resources to enhance collaboration and empower our people to achieve more for our customers.

About the Role

As a Senior Platform Engineer, you will design, build, run, and evolve tools, infrastructure, templates, and capabilities that our engineering community uses to deliver business value. You’ll write code to automate infrastructure and environments, and collaborate with product owners and engineers to build platforms that enable faster, safer, and higher-quality delivery.
We’re especially keen to hear from engineers passionate about:
- Infrastructure as Code
- Software-defined everything
- LLMs, GPUs, and High Performance Compute

Key Responsibilities

• Infrastructure as Code (IaC): Design, build, and maintain scalable infrastructure using tools like Terraform or CloudFormation to enable repeatable and reliable deployments.

• CI/CD Automation: Develop and manage continuous integration and delivery pipelines to streamline application deployment and ensure consistency across environments.

• Cloud Architecture Governance: Lead cloud design workshops, collaborate with vendor partners, and participate in solution review boards to ensure architectural alignment and compliance.

• DevOps Enablement: Drive the adoption of DevOps practices across teams, promoting automation, observability, and continuous improvement in platform engineering.

• Containerized Platform Operations: Build and operate containerized environments using Kubernetes, Helm, and ArgoCD to support scalable, secure, and resilient applications.

• Cloud Migration & Optimization: Provide expert guidance on AWS architecture, security, cost optimization, and performance tuning for complex, multi-tier application migrations.

We are interested in hearing from people who have

• Bachelor’s degree in Computer Science, Information Technology, or a related field

• Proven experience as an AWS Architect and in cloud migration

• Strong scripting skills in PowerShell and Python

• Experience with CI/CD tools and practices

• Familiarity with container orchestration (Kubernetes, Helm, ArgoCD)

• Deep understanding of cloud security, compliance, and cost management

Preferred:

• Experience with cloud-based data integration (AWS or Azure)

• Knowledge of ETL tools such as Ab Initio or similar

• AWS Solutions Architect certification

• Any experience or interest in emerging AI technologies would be highly regarded

Working With Us

We support flexible working, with at least half your time each month connecting in our Sydney office. We also offer options like adjusted start and finish times—talk to us about what works best for you.

At CommBank, we advocate and facilitate a culture of inclusion and respect, celebrating all cultures, abilities, genders, expressions of gender and sexual orientation Read more about our commitment to inclusion and diversity.

If you're already part of the Commonwealth Bank Group (including Bankwest), 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.

We’re committed to being an accessible employer and want to make finding your dream job as easy as possible. If you experience any accessibility issues or if you require additional support please contact HR Direct.

Ready to Join Us?

If this sounds like you, apply now and help us shape the future of banking in Australia.