Senior Network Security Engineer

Senior Network Security Engineer - NV1

Location: Ballarat but open to candidates looking to relocate

Security Clearance: NV1 Required

Work Arrangement: 5 days onsite

Citizenship: Australian Citizens only

About the Role

We are seeking an experienced Senior Network Security Engineer to support large-scale enterprise programs delivered within secure and regulated environments. This role is responsible for the design, implementation, security, operation, and continuous improvement of complex Cisco-based network infrastructures supporting critical business and operational systems.

You will play a senior, hands‑on technical role across network architecture, operations, and security, acting as an escalation point for complex issues while providing technical leadership and mentoring to junior engineers. Working closely with network operations teams, security specialists, cloud engineers, and...