Location: Sydney, NSW Experience: 5+ Years Work Rights: Only Australian Citizens and Permanent Residents (PR).
No sponsorship available.
About the Role We are seeking an experienced Network Security Engineer to join a high-performing enterprise technology team in Sydney.
The ideal candidate will have strong expertise in firewall technologies, load balancing, proxy solutions, and enterprise network security operations.
Key Responsibilities Configure, implement, and support enterprise firewall solutions.
Manage and troubleshoot load balancer and network security infrastructure.
Perform firewall policy reviews, rule implementations, and security change requests.
Diagnose and resolve complex firewall, proxy, and load balancer issues.
Support enterprise infrastructure projects, including workload migration initiatives.
Collaborate with infrastructure, cloud, and application teams to ensure secure and reliable network services.




Required Skills & Experience 5+ years of experience in Network Security or Network Engineering.
Strong hands-on experience with Cisco Firewalls , FortiGate , and VMware NSX .
Experience with F5 LTM/GTM and NSX Load Balancers .
Solid knowledge of proxy technologies, including Cisco IronPort and Zscaler .
Experience implementing and managing Cisco firewall changes.
Hands-on experience with Cisco CSM and Cisco FMC firewall platforms.
Solid understanding of TCP/IP, routing, switching, VLANs, NAT, VPNs, and network security fundamentals.
Strong troubleshooting and analytical skills.
Exposure to enterprise infrastructure or cloud workload migration projects.
Preferred Experience working in large enterprise environments.
Excellent communication and stakeholder management skills.

📌 Network Security Engineer – Firewalls Loadbalancers-Australia Only Applicable (New South Wales)
🏢 The HR Ally
📍 New South Wales