Staff Security Engineer: Enterprise Security & AI

Commonwealth Bank Of Australia; Western Australia; On-site; AUD 180,000 - 280,000; Full time

Job summary

CommBank is seeking a Staff Security Engineer within Group Security to shape security engineering and architecture outcomes across Corporate Services and other Group functions. You will influence senior leaders and drive enterprise-scale security programs.

The role requires deep expertise in secure design, threat modelling and AI security, with the ability to translate complex risks into practical, scalable decisions across a large enterprise.

Qualifications

• Deep experience across security engineering, security architecture and technical risk in large-scale, distributed enterprise environments.
• Track record of leading complex, cross-functional security programs and influencing outcomes beyond a single team or domain.
• Strong expertise in Secure by Design, threat modelling, control design and pragmatic risk-based decision-making.
• Advanced familiarity with artificial intelligence security, DevSecOps, cloud security and secure software or infrastructure delivery.
• Experience shaping or deploying enterprise capabilities such as endpoint detection and response, security information and event management and observability platforms.
• Executive stakeholder skills, including experience presenting complex technical matters to senior business and technology leaders.

Responsibilities

• Set technical direction for complex security engineering and architecture outcomes across multiple functions
• Lead significant programs of work with security, engineering, architecture, risk and business peers
• Provide authoritative security advice at senior business and technology forums
• Influence General Managers, Executive General Managers and technology leaders through clear, risk-informed recommendations
• Lead complex architecture reviews, threat assessments and security control decisions
• Modern AI architectures and threats affecting generative AI, large language models and agentic systems, or demonstrated ability to build expertise rapidly in emerging technology domains
• Securing AI, machine learning or data platforms, including AI gateways, runtime protection or security monitoring
• Provide technical leadership and mentorship to security engineers and practitioners, raising engineering capability and consistency across the function
• Guide enterprise security solutions, including endpoint detection and response, security information and event management, and observability capabilities
• Define reusable patterns, guardrails and practices that improve security outcomes at scale

Skills

Security engineering

Security architecture

Technical risk

DevSecOps

AI security

Threat modelling

Executive stakeholder skills

Tools

Endpoint detection and response

Security information and event management

Observability platforms

Job description

CommBank is seeking a Staff Security Engineer within Group Security to shape security engineering and architecture outcomes across Corporate Services and other Group functions. You will influence senior leaders and drive enterprise-scale security programs.

The role requires deep expertise in secure design, threat modelling and AI security, with the ability to translate complex risks into practical, scalable decisions across a large enterprise.