We’re working with a defence-aligned organisation delivering secure, high assurance environments that support critical national infrastructure. They’re looking for a Senior Network Security Engineer to take ownership of complex, multi-site network and security environments across design, build, and ongoing support.
You’ll be working closely with architects, systems engineers, and security specialists to deliver secure network solutions end to end. The role is hands-on but also gives you the chance to influence design and work across high assurance and cross domain environments.
What you’ll be doing
Designing and implementing multi-site LAN and WAN networks across distributed environments
Leading deployment and configuration of Palo Alto firewalls including zoning, vSys, and security profiles
Working on high assurance and cross domain network solutions
Owning delivery of network and security infrastructure from design through to implementation
Supporting performance monitoring, capacity planning, and disaster recovery
Troubleshooting complex network and security issues
Working with vendors and internal teams to deliver infrastructure outcomes
Producing clear technical documentation and designs
What you’ll bring
Strong experience designing and delivering complex network environments
Deep knowledge of routing, switching, VRFs, VLANs, and IP design at a CCNP level
Hands-on experience with Palo Alto firewalls
Background working in secure or regulated environments
Solid understanding of network security hardening
Experience delivering infrastructure projects end to end
Strong communication skills and ability to work with a range of stakeholders
Nice to have
Defence or high assurance environment experience
Exposure to cross domain solutions
Familiarity with ASD ISM
Experience with VMware, Hyper-V, or storage environments
Relevant certifications such as CCNP or PCNSE
Requirements
Australian Citizenship
Active NV1 clearance with the ability to obtain NV2
This is a good opportunity to work on genuinely complex environments where security is front of mind, not an afterthought, and where you’ll have real ownership over what you deliver.
Please note, due to the volume of applications, only shortlisted candidates will be contacted.
We are an inclusive employer committed to fostering a diverse and accessible workplace. We encourage applications from Aboriginal and Torres Strait Islander peoples, people with disabilities, LGBTQIA+ individuals, people of all ages, and those from culturally and linguistically diverse backgrounds.
Network Security Engineer - NV1
Network Security Engineer - NV1
Work Type:
Full Time
Location:
Brisbane - Queensland
Contact Name:
Ben Rogalsky
Contact Email:
ben.rogalsky@e2cyber.com.au
Contact Phone:
0404 349 177
Date Published:
17-Apr-2026
