Job Description
Setting the Scene
Our client is a large-scale technology services organisation delivering critical security and infrastructure services across complex enterprise environments.
Joining an established Security Operations team, you'll work across firewall management, secure VPN, protective DNS and broader security infrastructure services.
This is a hands‐on senior role with the opportunity to design new solutions, improve existing services and tackle complex technical challenges.
The Role
This role is suited to a Senior Security Engineer, Network Security Engineer or Security Infrastructure Specialist who enjoys hands‐on technical work and taking ownership of solutions.
You'll work autonomously across a broad technology stack while contributing to new security offerings and the ongoing improvement of existing services.
Key responsibilities:
Lead the design, implementation and management of security infrastructure services
Manage and troubleshoot firewalls including Palo Alto, Juniper SRX, Cisco and/or Check Point
Support secure VPN, DNS and protective DNS services
Design, build and deploy new security service offerings
Identify and implement improvements across existing security services
Investigate and resolve complex network and security incidents
Capture technical requirements and deliver appropriate security solutions
Work across Azure and AWS security and connectivity environments
Support technologies including routing, switching, IDS/IPS and load balancing
Maintain clear technical documentation and build strong relationships with stakeholders




Participate in an out‐of‐hours on‐call roster
What you'll bring
Solid hands‐on experience across network and security infrastructure
Experience with enterprise firewall technologies including Palo Alto, Juniper SRX, Cisco or Check Point
Strong knowledge of DNS and VPN technologies
Experience designing and delivering technical security solutions
Knowledge of Azure and/or AWS security and connectivity
Strong networking fundamentals across routing and switching
Experience with technologies such as IDS/IPS, load balancing and Linux and/or Windows
Excellent troubleshooting, problem‐solving and incident resolution skills
Ability to work autonomously and manage competing priorities
Strong communication and technical documentation skills
Experience with scripting, automation or MSP/managed services environments would be highly regarded.
Certifications such as CISSP, PCNSE, JNCIP-SEC, CCNP or relevant vendor certifications will be viewed favourably.
What's in it for you?
$173k package including *****% super + 17.5% annual leave loading
Permanent, full‐time opportunity
Brisbane CBD location
Senior hands‐on role with genuine technical ownership
Work across complex enterprise security infrastructure
Exposure to firewall, VPN, DNS and cloud security technologies
Opportunity to design new security services and drive technology improvements
Join an established and high‐performing security team
Meaningful work supporting critical technology services
Equal opportunity and diversity are a priority.
We encourage applicants from all backgrounds to apply.

📌 Senior Network Security Engineer (Queensland)
🏢 The Decipher Bureau
📍 Queensland