Senior Network Security Engineer | Aviation-Critical Infrastructure & Network Modernisation
Location: Brisbane / Canberra / Melbourne (Hybrid)
Security Clearance: NV1 (Mandatory)
Engagement: Full-time | On-call roster (1 week per month)
About the position:
This role supports a multi-year network modernisation program transitioning legacy IP and non-IP technologies into a resilient, all-IP architecture servicing national aviation operations.
The environment is safety-first and operationally critical. The network underpins Air Traffic Control, Aviation Rescue and Fire Fighting Services, and enterprise systems. Reliability, integrity, and governance are not abstract concepts here they are operational requirements.
You will operate as a senior technical authority within the Network & Telecommunications Platform team, contributing across design assurance, operational support, and lifecycle governance.
What you'll do:
Design, build, and maintain complex network security infrastructure within a 24x7 operational environment
Provide subject matter expertise across secure gateway architectures and telecommunications systems
Contribute to system assurance, change control, and safety-aligned design integrity processe
Investigate and resolve defects, vulnerabilities, and operational faults while maintaining service continuity
What we are looking for:
7+ years' experience supporting complex network security infrastructure deployments
Deep understanding of NGFW, BGP, traffic engineering, load balancing, web proxy, WAF, IPS/IDS, VPN and remote access architectures
Strong familiarity with Australian Government ISM and PSPF security frameworks
Confidence operating with limited direction in safety and compliance-driven environments
Seniority fit:
This role suits engineers who already operate with delegated authority or senior technical influence
Experience contributing to governance artefacts, certification processes, and change control boards is expected
Ability to mentor and guide less experienced engineers is important
Technology & environment:
Secure Network Gateways (Cisco, Palo Alto, Check Point
Load balancing and application delivery (F5, Infoblox)
Hybrid cloud exposure including AWS and Azure environments
Aviation-critical network infrastructure supporting operational services
Strict compliance with CASA, ICAO, and internal safety standards
A quick note before you apply:
This role operates within a 24x7, safety-first aviation environment where system integrity is critical
If your experience has primarily been limited to enterprise IT environments without exposure to regulated operational systems, this may not align with current requirements
NV1 clearance is required
Participation in an on-call roster is part of the operational expectation
To showcase your interest for the position, click on 'APPLY' on our website or for any further information, please contact Sanat Anmadwar on We look forward to seeing how your expertise can help us achieve excellence