Staff Security Engineer

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

Job summary

Commonwealth Bank in Sydney seeks a Staff Security Engineer who shapes security engineering and architecture across Group Security and diverse functions. You will be a highly influential individual contributor who engages with General Managers and executive leaders to drive practical security outcomes.

You will lead complex programs of work, provide expert advice at senior forums, and translate risk into scalable, enterprise-grade security decisions.

Qualifications

• Experience leading enterprise security programs.
• Strong track record influencing senior forums.
• Expertise in secure software/infrastructure delivery.

Responsibilities

• Set security engineering direction across Group functions.
• Lead complex programs of work with engineering, risk, and business peers.
• Provide authoritative security advice at senior business and technology forums.
• Influence senior leaders through risk-informed recommendations.
• Lead architecture reviews, threat assessments and security control decisions.
• Address AI security and emerging technology threats.
• Provide leadership and mentorship to security engineers.
• Guide enterprise security solutions including EDR, SIEM and observability.
• Develop reusable patterns and guardrails for security at scale.

Skills

Security architecture

Threat modelling

Secure by Design

DevSecOps

AI security

Executive communication

Education

Bachelor's degree in a relevant field

Tools

EDR

SIEM

Cloud security tooling

Job description

• Set security engineering direction across diverse and strategically important Group functions
• Lead complex programs of work and influence senior business and technology leaders
• Combine deep technical expertise with enterprise-scale architecture and security leadership.

Do Work That Matters

As a Staff Security Engineer in Group Security, you will be a highly influential individual contributor who shapes security engineering and architecture outcomes across Corporate Services and other Group functions.

Your coverage may span Finance, Treasury, Audit, Property, Procurement, Risk, Human Resources, Legal, Group Corporate Affairs, Technology, Strategy and Performance, and Wealth.

You will operate across organisational boundaries, leading complex programs of work with engineering, architecture, risk, security and business peers. You will provide subject-matter expertise in senior forums and regularly engage General Managers, Executive General Managers and technology leaders.

This role requires deep security engineering and architecture expertise, strong judgement and the ability to turn complex risks into clear decisions. You will influence strategic direction while remaining sufficiently connected to engineering detail to ensure recommendations are practical, scalable and suitable for a large enterprise environment.

You will also help shape the Group’s approach to emerging security challenges, including artificial intelligence security, DevSecOps and the implementation of enterprise security capabilities.

See yourself in our team

Group Security is part of Technology and brings together security and resilience capabilities spanning cyber security, protective security and business resilience, fraud technology and operations, and cyber defence.

The team’s purpose is safeguarding a brighter future for all. We secure the bank, protect customers, build recovery capability for challenging events and create an admired place to work, while delivering best-in-class security outcomes through governance, protection, detection, response and recovery.

You will join the Group Security Engineering team, operating within a Secure by Design and DevSecOps model.

In this role, you will:

• 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

We’re interested in hearing from people who:

You are an established technical leader who can move confidently between detailed engineering discussions, enterprise architecture decisions and executive forums. You influence through expertise, credibility and collaboration, and you take end-to-end ownership of difficult security outcomes.

You will bring:

• Deep experience across security engineering, security architecture and technical risk in large-scale, distributed enterprise environments
• A track record of leading complex, cross-functional security programs and influencing outcomes beyond a single team or domainStrong 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

Working with us

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