Lead Penetration Tester

16 hours ago

Canberra Australian Capital Territory Australia Opes Cyber Security Full time $80,000 - $120,000 per year

Closing on Monday the 10/11/2025

Summary:

Penetration Testers analyse IT systems to determine configuration weaknesses and faults that would impact on security and business then produce reports detailing the findings and recommendations for improved network security.

Responsibilities:

  • Assess Australian Government entities to determine the effectiveness of both prevention and detection security controls.
  • Execute tools to simulate well known adversary tradecraft to perform privilege escalation and lateral movement.
  • Identify weaknesses in common Microsoft technologies such as Active Directory.
  • Assess and identify vulnerabilities in web applications and APIs.
  • Development and automation of custom tools.

Qualifications:

  • NV1 Security Clearance or higher.
  • Demonstrated minimum 5 years' experience in infrastructure and/or web application penetration testing.
  • Demonstrated experience with assessing environments and systems against the Australian government's Information Security Manual.
  • Demonstrated experience in assessing and exploiting common vulnerabilities found in enterprise networks and infrastructure (e.g. Microsoft Active Directory, Azure AD).
  • Demonstrated experience in assessing, identifying and exploiting known and common vulnerabilities (OWASP Top 10) in web applications and supporting infrastructure.
  • Possess professional certifications such as OCSP, GPEN, OSWA, GWAPT, OSWE, OSCE is desirable.
  • Experience with scripting languages (PowerShell, Python, JavaScript etc.) is desirable.
  • Experience in developing security tools across varying system architectures; exposure to testing enclaved networks and classified systems is desirable.
  • Demonstrated practical knowledge of web application penetration testing, including fuzzing, scripting, and application logic exploitation is desirable.

Estimated Start Date: 23/03/2026

*All screening questions must be complete for applications to be reviewed*

*Fulltime rates are available upon request*

*Note a 12-month separation from Defence is mandatory*

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