Principal Product Security Engineer

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

Job summary

Commonwealth Bank in Sydney is seeking a Principal Product Security Engineer to embed secure-by-design practices across Retail Banking technology, driving enterprise-scale security outcomes and enabling fast, secure product delivery.

You will mentor engineers, lead assessments, and collaborate with cloud-native DevSecOps teams to advance AI- and automation-enabled security, shaping the future of product security across the organisation.

Qualifications

• End-to-end application security engagements across large organisations.
• Deep understanding of secure software development practices and vulnerabilities.
• Experience conducting security assessments and source code reviews.
• Ability to influence engineering teams and security outcomes at scale.

Responsibilities

• Lead application security initiatives across multiple technology domains and delivery streams.
• Partner with engineering teams to identify security risks and drive remediation strategies.
• Perform and guide application security assessments and testing activities.
• Embed secure-by-design principles throughout the software development lifecycle.
• Influence security outcomes across complex engineering environments.
• Develop approaches leveraging automation and AI to improve security effectiveness.
• Mentor engineers and security practitioners to uplift capability.
• Support evolution of application security standards and ways of working.
• Balance security with customer experience and delivery objectives.

Skills

Application Security

Product Security

Security assessments

Source code reviews

DevSecOps

Cloud-native

Automation & AI

Mentoring

Job description

Principal Product Security Engineer

• Influence security outcomes across Retail Banking technology at enterprise scale
• Drive innovation through AI, automation and secure-by-design engineering practices
• Mentor engineers and uplift application security capability across multiple technology domains

Do work that matters:

At CommBank, we’re building tomorrow’s bank today. Technology is at the heart of everything we do and security is fundamental to providing safe, secure and trusted experiences for millions of customers.

We are seeking a Principal Product Security Engineer to join Group Security. This is a highly influential role focused on improving how security is embedded across our software engineering practices, helping teams build secure products at speed while continuously uplifting security capability across the organisation.

You’ll work across a broad range of Retail Banking portfolios, partnering with engineering teams, technology leaders and security specialists to drive practical security outcomes. This is an opportunity to shape the future direction of application security through innovation, automation and modern engineering practices.

See yourself in our team:

Group Security safeguards a brighter future for all by securing the bank, protecting our customers and enabling technology teams to deliver safely at speed. We partner across the organisation to embed security earlier in the development lifecycle and help teams build secure, resilient and trusted experiences for millions of customers.

As part of our Product Security capability, you will play a key role in strengthening secure engineering practices, reducing risk and driving the evolution of product security across Retail Banking technology portfolios.

On any given day, you will:

• Lead application security initiatives across multiple technology domains and delivery streams
• Partner with engineering teams to identify security risks and drive pragmatic remediation strategies
• Perform and guide application security assessments, including source code reviews and security testing activities
• Embed secure-by-design principles throughout the software development lifecycle
• Influence security outcomes across complex and fast-paced engineering environments
• Develop new approaches that leverage automation and AI to improve security effectiveness and scalability
• Mentor engineers and security practitioners, helping uplift capability across the organisation
• Support the continuous evolution of application security standards, practices and ways of working
• Work closely with stakeholders to balance security, customer experience and delivery objectives

We are interested in hearing from people who have:

• Deep expertise in Application Security or Product Security, leading end-to-end security engagements and influencing secure design, engineering and delivery outcomes at scale.
• Deep understanding of secure software development practices and common application security vulnerabilities
• Experience conducting security assessments, source code reviews and application security testing activities
• Demonstrated ability to influence engineering teams and security outcomes within large and complex organisations
• Experience working within modern software engineering environments, including cloud-native and DevSecOps practices
• Strong technical problem-solving skills combined with an ability to communicate effectively with both technical and non-technical stakeholders
• A passion for mentoring others and building security capability at scale
• An interest in emerging technologies and the practical application of AI and automation within security.

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Advertising End Date: 21/09/2026