Penetration Tester - Melbourne or Sydney | Step Up Your Offensive Security Career

Are you a Penetration Tester in Sydney with ~3+ years' experience, ready to level up? Or maybe you're already in an offensive security consulting role and looking to step into a more senior position?

We're partnering with one of Australia’s top offensive security teams who are expanding their crew. You'll work across a mix of well-known enterprise clients, sharpen your skills in complex environments, and grow alongside a highly experienced and supportive team.

This team is known for high-calibre technical capability, strong mentorship culture, and a commitment to flexibility and personal growth.

In this role, you will:

• Plan, execute and lead penetration testing engagements
• Identify and exploit security vulnerabilities across varied environments
• Conduct web, infrastructure, API, and mobile testing
• Support Red Team exercises targeting technical, physical, and human layers
• Perform source-code reviews and malware analysis where required
• Deliver detailed reports with clear, risk-based remediation guidance
• Present findings to clients and offer advisory support
• Mentor team members and contribute to capability uplift

Experience Needed:

• 3+ years of hands-on pen testing (web apps, APIs, or network, etc.)
• OSCP or CREST (or equivalent)
• Ability to clearly communicate technical findings to non-technical stakeholders

Extra points for any experience with:

• Red Teaming (aligned to CORIE/CBEST/TIBER frameworks)
• Reverse engineering & exploit development
• Mobile security, mainframe, microservices
• Offensive security tooling (Burp, Cobalt Strike, Metasploit, Kali etc.)

🌟 Why Join?

• Up to ~$130k package + career progression
• Remote-first, but Melbourne or Sydney-based candidates only.
• Inclusive, collaborative, high-performing team
• Structured development, mentoring & certifications support
• Market-leading parental leave & return-to-work support
• Rewards & recognition programs, retail perks, wellbeing leave, and more
• Flexibility built into the culture - trust from day one

If you're passionate about offensive security and want a pathway to senior roles while working with some of the sharpest minds in the field, this is your chance.

On a VISA with full working rights? This could also be a great move for you too.

Interested? Apply now or reach out to discuss further.

How to apply: Click apply or submit your CV to [email protected] for a 100% confidential, informal conversation where your privacy will absolutely be respected.

Decipher Bureau and the clients we partner with are committed to creating a diverse environment and are proud to be equal-opportunity employers. All qualified applicants will be considered for employment without attention to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status.