Network Engineer – Security-Driven Enterprise Infra (Sydney)

Boltin; Sydney; On-site; AUD 110,000 - 140,000; Full time

Job summary

Boltin seeks a seasoned network engineer in Sydney to manage security-focused network infrastructure across enterprise environments. You will implement firewall, routing, and wireless controls, drive vulnerability remediation, and document changes and plans for operations teams.

Strong Cisco, F5, Palo Alto experience and incident response skills are essential, with travel to client sites and on-call duties as required.

Qualifications

• Cisco ICND 2 or equivalent certification required.
• Experience managing Cisco routing, switching, and network management platforms.
• Experience with Cisco Firewall (ASA and FTD) and Palo Alto.
• Experience with F5 load balancing (LTM/GTM/BIG-IQ).
• Experience with Wireless/WLC technologies and security hardening.

Responsibilities

• Assess, prioritise, and remediate network vulnerabilities with Infrastructure and Cyber Security.
• Implement and maintain network security hardening activities.
• Produce network implementation plans, technical docs, and Change Records.
• Provide recommendations for network optimisation and risk reduction.
• Draft and validate changes, test network infrastructure updates, and support incident response.

Skills

Cisco ICND 2

F5 BIG-IP

Network routing

Firewall ASA/FTD

WLC/Wireless

Palo Alto

Security hardening

Troubleshooting

Documentation

Tools

Cisco IOS

F5 BIG-IP

Job description

Boltin seeks a seasoned network engineer in Sydney to manage security-focused network infrastructure across enterprise environments. You will implement firewall, routing, and wireless controls, drive vulnerability remediation, and document changes and plans for operations teams.

Strong Cisco, F5, Palo Alto experience and incident response skills are essential, with travel to client sites and on-call duties as required.