CommBank

Staff Platform Engineer - AWS

Sydney CBD Area Full time
  • We're delivering scalable, secure platforms that lift engineering across the organisation.

  • You have strong technical leadership and the ability to solve complex system challenges.

  • Together we innovate, simplify, and build reliable systems that accelerate customer value.

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.

In this team, you’ll do work that truly matters by shaping the platform engineering backbone of Financial Crime Technology, providing strategic technical leadership as the DevSecOps and platform SME that uplifts engineering capability across the chapter. You’ll design and optimise modern GitHub Actions–based CI/CD pipelines, build scalable AWS cloud foundations using EKS and automation tooling, and lead hands-on engineering to solve complex challenges in reliability, observability and operational excellence.

You’ll drive AI-enabled transformation through intelligent automation and self-healing capabilities, elevate developer experience with golden paths and self-service workflows, and collaborate with architects, security, product and data teams while coaching engineers to modernise systems and embed secure, cloud-native, automated engineering practices that power the future of financial crime prevention.

See yourself in our team:  

CBA’s technology unit powers the bank’s leading digital banking services by delivering secure, innovative technology, data, infrastructure and workplace solutions that enhance how 53,000+ people work and protect and serve customers across every division.

Our Financial Crimes Engineering Chapter sits at the heart of CBA’s Financial Crime Technology division, playing a critical role in protecting our customers and the community from emerging threats.

This is where complex engineering challenges meet meaningful purpose by building the platforms and intelligence that detect, prevent and respond to financial crime at scale. Our engineers work on high-impact systems that safeguard millions of Australians, shaping the future of financial crime prevention through cutting-edge cloud technology, data-driven insights, advanced automation and AI-enabled detection.

In this mission-led environment, you’ll innovate boldly, solve real problems and collaborate to deliver technology that stays ahead of emerging threats and keeps our customers safe.

We’re interested in hearing from people who: 

  • Provide strategic technical leadership, acting as the chapter’s DevSecOps and platform engineering SME to uplift engineering capability and influence long-term platform direction.

  • Design, build and optimise modern CI/CD pipelines (YAML-based, GitHub Actions) to drive fast, secure and automated delivery across teams.

  • Shape and evolve a scalable AWS cloud platform, engineering resilient, cloud-native foundations using services such as EKS, automation tooling and secure delivery patterns.

  • Lead hands-on engineering to solve complex technical challenges, improving reliability, observability (Grafana, Prometheus), operational excellence and incident response.

  • Champion AI-enabled transformation, introducing intelligent automation, predictive insights and self-healing capabilities across platform operations.

  • Elevate the developer experience by creating golden paths, reusable templates, self-service workflows and streamlined DevOps practices that accelerate delivery.

  • Collaborate and coach across disciplines, partnering with architects, security, product and data teams while mentoring engineers to uplift skills, modernise legacy systems and embed cloud-native, secure, automated engineering practices.

Tech skills:

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 will set you up for success in this team:

  • Cloud Architecture (AWS Deep Expertise) Designs secure, scalable multi-account AWS environments using EC2, EKS/ECS, Lambda, API Gateway, S3, RDS, DynamoDB and CloudFront, applying IAM and networking best practices to build resilient distributed systems.

  • Infrastructure as Code (Terraform / CloudFormation) Engineers modular, reusable IaC architectures with Terraform or CloudFormation, implementing GitOps workflows and automated environment provisioning across development, staging and production.

  • Programming Languages (Python, Go, Java) Builds automation tooling, microservices, CLI utilities and system-level components using languages such as Python, Go or Java, applying strong software engineering principles to platform engineering challenges.

  • Scripting & Automation (Bash, Python) Creates robust automation pipelines, deployment tooling and infrastructure lifecycle management scripts using Bash, Python or similar languages to streamline operations and eliminate manual effort.

  • Containers & Kubernetes (Docker, EKS) Architects highly available container platforms using Docker, Kubernetes (EKS) and service-mesh patterns, optimising cluster utilisation, reliability and cost while supporting large-scale workloads.

  • CI/CD Engineering (GitHub Actions Expertise) Builds and operates enterprise-grade CI/CD systems with deep GitHub Actions experience, including reusable workflow templates, advanced matrix builds, OIDC-secured AWS deployments, automated security scanning, dependency management and multi-region release orchestration.

  • AWS-Native Security & Platform Reliability (SRE Practices) Implements strong security foundations using IAM, KMS, WAF, Security Hub and Secrets Manager; enforces least-privilege, encryption and threat-detection patterns; and applies SRE principles such as SLO/SLI design, chaos testing, incident response and production hardening to ensure platform resilience.

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: 03/02/2026