Offensive Security Tester

NBN Co; City of Melbourne; Sur place; AUD 120 000 - 150 000; Plein temps

Avantages offerts par ce poste

Flexible working arrangements

Excellent training programs

Inclusive workplace culture

Parental leave (18 weeks)

Résumé du poste

NBN Co is seeking an Offensive Security Tester in Melbourne to strengthen cyber security posture through penetration testing, threat simulation and red team engagements. You will collaborate with internal teams and vendors, delivering actionable insights and coaching junior staff.

The role emphasizes strong analytical and communication skills, with a commitment to continuous learning within a flexible, inclusive workplace and a permanent appointment.

Qualifications

• Minimum: industry recognised offensive security certifications (Offsec/HTB/SANS).
• Experience planning, executing and communicating technical security assessments to diverse stakeholders.
• Knowledge of security frameworks, testing methodologies, automation and emerging technologies.

Responsabilités

• Deliver offensive security and technical assurance activities including penetration testing, threat simulation, red and purple team engagements, and security assessments across technologies and environments.
• Plan, execute and communicate testing outcomes with clear, actionable insights for technical and non-technical audiences.
• Coach, mentor and share knowledge with interns and graduate testers to grow team capability.

Connaissances

Offensive security

Penetration testing

Security assurance

Stakeholder communication

Formation

Offensive security certifications (Offsec/HTB/SANS)

Description du poste

Build your career and Australia's future.

Not many people can say they are working on building Australia's future. With us you'll be doing just that, leaving a legacy for all Australians. Plus, there's equal employment, great training, and true flexible working arrangements.

A fantastic opportunity has presented itself for an Offensive Security Tester reporting to Manager Ethical Hacking

A bit about your role

This role is responsible for delivering offensive security and technical assurance activities that strengthen nbn's cyber security posture through penetration testing, threat simulation, red and purple team engagements, and security assessments across a range of technologies and environments. The successful candidate will work collaboratively with internal stakeholders, vendors, and technical teams to plan, execute, and communicate testing outcomes, providing clear, actionable insights to both technical and non-technical audiences. The role requires strong analytical, communication, and stakeholder engagement skills, along with a commitment to continuous learning, adaptability, and professional development. It also contributes to team capability growth through coaching, mentoring, and knowledge sharing with interns and graduate testers.

A bit about you

The ideal candidate will bring strong expertise in offensive security, penetration testing, and security assurance within complex enterprise environments. They will have the ability to plan, execute, and communicate technical security assessments to a range of stakeholders, while balancing multiple priorities and delivering high-quality outcomes. The role requires strong analytical thinking, problem-solving, stakeholder engagement, and communication skills, along with experience in security frameworks, testing methodologies, automation, and emerging technologies. The candidate at a minimum will have industry recognised offensive security certifications from Offsec, HTB or SANS. The successful candidate will be collaborative, adaptable, and committed to continuous learning, with the ability to mentor others, build strong relationships, navigate ambiguity, and contribute to a positive and inclusive team culture.

Application Process

You may find that your experience does not match every requirement listed but, if this role has piqued your interest or resonates with where you are in your career, we encourage you to apply rather than self-select out. We are interested in transferable skills and your skills and perspective could be exactly what we would value to strengthen our team.

Life at nbn

We're continuing to create Australia's network - a network made for more. Not just a way for everyone to do the things they love but transforming the way they do them.

A more inclusive working world

nbn is committed to an inclusive, flexible, and supportive workplace where everyone can feel heard, valued, and respected. We believe diverse perspectives are the key to unlocking greater outcomes and encourage applications from people of all ages, nationalities, abilities, and cultures. That's why we have a Reconciliation Action Plan, Accessibility & Inclusion Plan, offer 18 weeks of paid parental leave, are a Pride in Diversity Platinum Employer, and have active employee-led diversity pillars.Click here to see our list of employee benefitsand why we're recognised as a WORK180 Endorsed Employer for Women.

Equal Opportunities for All

We champion equal opportunities for all employees. If you have any accessibility requirements and would like to discuss adjustments for the recruitment process, please don't hesitate to contact us by emailing***********@nbnco.com.au or calling our Recruitment Accessibility Enquiry Line at [phone]. Please note, this line is dedicated to accessibility-related enquiries for the purposes of recruitment, and only enquiries related to accessibility adjustments will be answered. For other matters, please visit our Contact Us page on our website.

Please note that this role is a permanent opportunity and applications will close at midnight on Friday, 23rd October.

To be eligible for this role, you must have full working rights in Australia.