Network Security Engineer – Firewalls & Load Balancers-Australia only applicable

Location: Sydney NSW
Experience: 5 Years
Work Rights: Only Australian Citizens and Permanent Residents (PR). No sponsorship available.

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.

• 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.

• 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.
• Strong 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.

• Experience working in large enterprise environments.
• Excellent communication and stakeholder management skills.