Staff AWS Platform Engineer - Build Secure, Scalable Cloud

CommBank; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

CommBank is building BB Companion, an AI-powered experience in the CommBank app for business customers. We seek a Staff Platform Engineer to own BB Companion platform architecture, guide multi‑squad delivery and ensure secure, scalable AWS infrastructure.

You will mentor engineers, drive platform governance and foster responsible AI practices while partnering with product, data and AI teams to improve reliability and cost efficiency.

Qualifications

• Staff-level leadership across architecture, platform strategy and mentoring engineers.
• Strong AWS platform engineering experience across Kubernetes/EKS, containers, networking, scalability, resilience, security and cost.
• Hands-on experience with Infrastructure as Code, scripting, CI/CD, GitOps and DevSecOps practices.
• Strong system design across APIs, integrations, automation, observability, SLOs and reliable operations.
• Experience embedding security, privacy, risk controls and vulnerability remediation into platform delivery.
• Clear communication and stakeholder alignment across product, engineering, data, AI platform, risk and business teams.

Responsibilities

• Own BB Companion platform architecture, infrastructure and automation across squads.
• Lead technical direction, design reviews and integration across product, data and AI platform capabilities.
• Enable secure AWS delivery through CI/CD, GitOps, Infrastructure as Code, Kubernetes and EKS.
• Improve reliability, observability and resilience through SLOs, capacity planning, incident support and remediation.
• Improve developer experience through self-service, golden paths and measurable platform adoption.
• Embed security, privacy, data governance, responsible AI and agent safety controls.
• Set standards and apply Staff-level judgement to governance, incidents and complex trade-offs.
• Mentor engineers and grow platform capability across squads.

Skills

Staff‑level leadership

AWS platform engineering

Kubernetes / EKS

Containers and networking

CI/CD and GitOps

Security and cost optimization

Education

Technical degree or equivalent practical experience

Tools

Kubernetes

EKS

CI/CD pipelines

Infrastructure as Code

GitOps

Job description

CommBank is building BB Companion, an AI-powered experience in the CommBank app for business customers. We seek a Staff Platform Engineer to own BB Companion platform architecture, guide multi‑squad delivery and ensure secure, scalable AWS infrastructure.

You will mentor engineers, drive platform governance and foster responsible AI practices while partnering with product, data and AI teams to improve reliability and cost efficiency.