nbn co limited is seeking a Senior Manager, Security Architecture to lead the development of security solution architecture, focusing on Network and IT security initiatives. This critical role maps the enterprise-wide security strategy to end-to-end architectural solutions and is a people-leader position responsible for inspiring and organising a high-performing team.
What You'll Do
- Develop security solution architecture focusing on Network and IT security initiatives.
- Map Enterprise-wide Security Strategy led by CSO to end-to-end IT and Network Security Architecture Solutions.
- Work with multiple stakeholders across SEO and the rest of nbn to understand systems change and provide solution and architectural options.
- Organise and inspire individuals by creating a high performing culture as a people leader.
What We're Looking For
- An accomplished architecture professional with experience in senior architecture or consulting roles, delivering complex technology strategies and services.
- Deep expertise across IT infrastructure, software and network security, secure engineering practices, data security and privacy, and security considerations for AI/ML systems.
- Strong understanding of industry frameworks such as NIST CSF 2.0.
- Comprehensive knowledge of Australian Government security initiatives including the Security of Critical Infrastructure Act 2031 (SOCI Act).
- Advanced capability in Identity and Access Management, infrastructure and application security, Zero Trust architectures, and the protection of critical telecommunications networks.
- Skilled in communicating clearly with both technical teams and executive stakeholders, translating complex concepts.
- Strong planning and organisational skills, including developing multi-year architecture roadmaps, managing investment cycles, coordinating team workloads, and overseeing local financial management.
- Full working rights in Australia.
Team & Environment
This role reports to the Executive Manager – Infrastructure and Security Architecture.
Benefits & Compensation
- 18 weeks of paid parental leave.
- Equal employment, great training, and true flexible working arrangements.
- Active employee-led diversity pillars.
- Recognised as a WORK180 Endorsed Employer for Women.
Work Mode
This is a full-time position located in Australia.
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. We champion equal opportunities for all employees.




