Staff Platform Engineer, AI Security

About the role

CommBank is looking for a Staff Platform Engineer in its Group Security team, which covers cyber security, protective security, business resilience, fraud technology and cyber defence. The role shapes the platform capabilities that protect generative AI, large language model and agentic workloads, combining technical leadership with hands-on work on code, infrastructure, automation and experimentation.

Key responsibilities

• Design and build shared platform capabilities that deliver AI security controls consistently, reliably and at enterprise scale.
• Build reusable services, APIs, libraries, templates and automation for policy enforcement, configuration management and telemetry.
• Design integration patterns for securing AI traffic, model interactions, APIs and agentic architectures.
• Set engineering standards and guardrails using automated testing, infrastructure-as-code, configuration-as-code and modern continuous delivery.
• Design for resilience, scalability and maintainability, considering the impact of controls on latency, throughput and capacity.
• Lead prototypes and proofs of concept, and establish observability through metrics, logs, traces, dashboards and alerting.
• Mentor engineers and influence technical decisions across security, cloud, platform and application teams.

Required profile

• Extensive experience in platform, software, cloud or site reliability engineering, with a track record of building shared platforms used by multiple teams.
• Demonstrated technical leadership, including mentoring engineers and influencing decisions across organisational boundaries.
• Experience with AI or machine learning platforms, AI gateways, model endpoints, agentic architectures, Kubernetes, proxies, service mesh, distributed tracing or policy-as-code helps.
• Software development experience in Go, Python, Java, TypeScript or a comparable language; specific product or vendor experience is not required.