Penetration Tester – Cloud, SaaS & AI Security

Commonwealth Bank; Sydney; On-site; AUD 90,000 - 130,000; Full time

Job summary

Commonwealth Bank is seeking a Penetration Tester to deliver hands-on security testing across cloud, platforms, networks, SaaS and emerging technologies. You’ll identify vulnerabilities, validate their impact and provide actionable remediation aligned with risk posture.

The role spans AWS, Google Cloud Platform, Azure, on‑prem and AI‑powered testing approaches, in a fast‑paced, collaborative environment. Join a high‑energy team within Group Security, part of Technology, where curiosity,

Qualifications

• Hands-on security testing across cloud, networks, SaaS and on‑prem across diverse tech stacks.
• Solid foundation in identifying vulnerabilities, exploit paths and remediation guidance.
• Experience with common security testing tools and modern assessment techniques.
• Ability to communicate findings clearly and provide practical risk‑based recommendations.

Responsibilities

• Deliver penetration testing across cloud, SaaS, infrastructure, networks, web applications and enterprise platforms.
• Help define scope, approach and rigour for testing engagements.
• Identify and safely validate vulnerabilities with business impact in mind.
• Produce clear, actionable reports to help tech teams prioritize remediation.
• Collaborate with engineers, platform teams and other security chapters.
• Contribute to testing method improvements, tooling and automation; explore AI‑assisted workflows.

Skills

Penetration testing

Cloud security testing

Network security testing

Kali Linux

Burp Suite

Metasploit

AWS/GCP/Azure

Documentation

Tools

Kali Linux

Burp Suite

Metasploit

AWS/GCP/Azure

Job description

Commonwealth Bank is seeking a Penetration Tester to deliver hands-on security testing across cloud, platforms, networks, SaaS and emerging technologies. You’ll identify vulnerabilities, validate their impact and provide actionable remediation aligned with risk posture.

The role spans AWS, Google Cloud Platform, Azure, on‑prem and AI‑powered testing approaches, in a fast‑paced, collaborative environment. Join a high‑energy team within Group Security, part of Technology, where curiosity,