NBN

Cyber Security Incident Response Lead

Melbourne Full time

Job Expectations

A fantastic opportunity has presented itself for a Cyber Security Incident Response Lead, reporting to the General Manager – Cyber Security Practice where you will join the Cyber Security Practice (CSP) team.

A bit about the role

As the Cyber Security Incident Response Lead, you will be responsible for leading nbn’s response to cyber security incidents across the organisation. You will coordinate cross-functional teams during formal Cyber Incident Response Team (CIRT) activations, ensuring alignment between technical responders, business stakeholders, and external partners.

This role requires a deep understanding of cyber security principles, infrastructure networks, and cloud platforms, and the ability to apply incident response best practices in a complex and fast-paced environment. You will act as the on-call 24/7 escalation point for cyber incidents, providing expert guidance and leadership during and outside business hours. Your responsibilities will include actioning alerts, managing incident triage, containment, and recovery efforts, as well as ensuring timely communication with key stakeholders.

You will also contribute to the continuous improvement of incident response capabilities through playbook development, simulation exercises, and post-incident reviews. In addition, you will build and maintain strong relationships with external vendors and managed security service providers to support incident response activities, ensuring SLA compliance and effective collaboration during critical events. You will stay current with emerging threats and adversary tactics, techniques, and procedures, and integrate threat intelligence into response strategies to strengthen nbn’s overall cyber defence posture.

A bit about you

If this sounds like the role for you, it’s likely that you have extensive experience in cyber incident response and threat analysis, along with a strong understanding of infrastructure networks and cloud platforms. You are confident in leading under pressure, making informed decisions quickly, and communicating effectively with stakeholders at all levels. You are passionate about continuous improvement and building cyber resilience, and you thrive in environments where collaboration and precision are key.

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. We champion equal opportunities for all employees. If you have any special requests or accessibility requirements throughout the recruitment process, please advise us at the time of application (via recruitment@nbnco.com.au) and we will adjust to meet your needs.

Take your next steps with nbn

At nbn we support your career development and want to give you every opportunity to be prioritised through recruitment processes and as such, all roles are advertised internally first for 5 days. So, if you think this role is for you then be Fearless and apply today via your Workday account. This will ensure that your application receives priority over any external applicants. In line with nbn’s internal hiring guidelines, please ensure that you inform your current manager prior to formally applying to the position.

Please note that this role is a permanent opportunity. Applications for this role will close at midnight on the 31st of January 2026

Worker Type

Permanent

Time Type

Full time