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Penetration Tester

Packetlabs Ltd.Melbourne, VIC, AustraliaMay 24, 2026
On-site
Full-time
Pentesting
Mid · 3–5 yrs

Packetlabs was built by an ethical hacker after seeing vulnerability assessments presented as penetration tests. Our slogan "Ready for more than a VA scan?" drives at the importance of not providing our clients with a false sense of security.

 
We are a passionate team of highly trained, proactive, pentesters. We provide expert-level penetration testing services that are thorough and tailored to help foster a safe digital space where everyone has the right to privacy and security. Packetlabs consultants find weaknesses others overlook and continuously learn new ways to evade controls. We hold ourselves to a very high standard.


To do so, weonlyhire individuals with the same drive and passion.

Note:While the position is based in Australia, initial onboarding and collaboration may involve some after-hours work to align with our Eastern Time Zone (Canada/US) team. Flexible scheduling options will be supported as the role transitions to standard local hours.


Who we are looking for

  • Core values:
    • You have a customer-first mentality. Is a great communicator with clients, project managers, and teammates. Rapid responses and on time.
    • You deliver work that you take pride in. Your work is an autograph of your excellence.
    • You dig deeper into every finding. Doesn't stop until impact is proven.
    • You are comfortable being uncomfortable. Goes towards obstacles, not away from them. Consulting isn't your typical job and requires adapting to rapidly changing environments.
    • You are always learning. Cybersecurity is changing every day, and you need to keep up or want to keep up.Be deeply aware of your skillset and be willing to improve.
    • You are Self-motivated and dependable.
    • You are humble. Egos don't have a place at Packetlabs.
  • Education and experience:
    • We are looking for an experienced developer/application security tester to join our team:
      • Solid working knowledge of programming languages, including C, C#, Python, Objective-C, Java, JavaScript, SQL, and frameworks like AngularJS.
      • Familiarity with web services and data exchange formats such as XML, JSON, SOAP, REST, and AJAX.
      • Understanding of AI/LLM weaknesses and flaws in applications.
      • Extensive experience/expertise in using an attack proxy (e.g. Burp Suite)
    • Preferred if you have 3 - 5 years of experience working in penetration testing and consulting
    • A graduate of a post-secondary college or university degree program.
    • Has at least two years of experience dealing with information security-related tasks.
    • Has professional qualifications (one or more): OSCP, OSWE, BSCP. 
      • OSCP or Burp is mandatory for our organization.

What you’ll be doing

  • Your primary role is to perform penetration testing of web applications, mobile applications, thick clients, and APIs.
  • Source code review and whitebox penetration testing to prove the impact of application flaws.
  • Reverse engineering of mobile and thick client applications.
  • You sometimes chain application flaws to other areas, such as cloud and on-prem AD infrastructure. Opportunities for lateral movement into the infrastructure teams are limited and given at the manager's discretion.
  • Develop detailed reports on findings and remediations for impactful findings. You will learn to debrief these findings at both a technical and executive level.
  • Perform SAST and DAST on enterprise, SaaS, and custom in-house applications.
  • Experience in using scanners and knowledge of validation and elimination of false positives.
  • A strong understanding of OWASP in Web, API, Mobile, and AI/LLM is necessary, but you will be asked to go beyond.

Why us?

  • Immediate and continual offensive security training
  • Amazing team and working environment
  • Competitive compensation and growth opportunity

Job Details

Experience

Mid · 3–5 yrs

Tools & Tech

Active Directory
Burp Suite
C
C#
Go
Java
JavaScript
Python
SQL

Preferred Certs

OSCP
OSWE
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