Network Engineer - Secure Enterprise & Govt Networks (AU)

Centorrino Technologies Pty Ltd.; Coffs Harbour; On-site; AUD 90,000 - 130,000; Full time

Benefits offered by this job

Extensive training and development

Discounts and benefits

IT equipment options

Team events

Job summary

Centorrino Technologies Pty Ltd. is seeking a Network Engineer in Australia to troubleshoot BAU tickets, manage BGP and IPsec VPNs, and implement changes across switches, firewalls, and wireless infrastructure.

You will work in secure government environments, collaborating with internal teams to ensure secure, scalable, and compliant network solutions. Strong vendor knowledge and problem-solving skills are essential.

Qualifications

• Experience as a Network Engineer.
• In-depth knowledge of Cisco Routers, Aruba switches, Fortinet, Juniper and Palo Alto firewalls.
• Understanding of switching protocols including VLANs, Spanning Tree, HSRP/VRRP, LAG.
• Experience configuring Firewalls, Wireless Controllers, and Access Points.
• Experience with Voice and SIP call flow troubleshooting.
• Experience with Microsoft Teams and SBCs; Audiocodes experience is a bonus.
• Experience with IPSec Site to Site VPNs.

Responsibilities

• Troubleshoot and resolve BAU tickets related to network issues, including switching, routing and application-level firewall controls.
• Work within secure government environments, adhering to strict access controls, compliance standards, and change management processes.
• Manage BGP routing configurations and troubleshoot peering issues to ensure network stability and optimal path selection.
• Monitor and maintain IPsec tunnels for secure site-to-site connectivity, addressing encryption, authentication, and tunnel stability concerns.
• Respond to incidents escalated by the service desk, conducting detailed analysis and timely resolution to restore service with minimal impact.
• Plan and implement network changes and upgrades, including firewall policies, routing updates, wireless access point deployments, and infrastructure enhancements.
• Monitor network performance and health using appropriate tools, proactively identifying areas for improvement, patching, or capacity upgrades.
• Maintain and regularly update documentation, including network diagrams, configuration standards, and operational procedures.
• Ensure wireless network coverage and performance meet required standards, addressing interference, roaming, and security configuration issues.
• Collaborate with internal teams and government clients to ensure solutions are secure, scalable, and aligned with business and regulatory requirements.

Skills

Troubleshooting

Communication skills

Independent worker

Problem solving

Team collaboration

Tools

Cisco Routers

Aruba switches

Fortinet

Juniper

Palo Alto firewalls

IPsec Site-to-Site VPN

VLANs

Spanning Tree

HSRP/VRRP

LAG

Wireless Controllers

Access Points

Audiocodes SBCs

Job description

Centorrino Technologies Pty Ltd. is seeking a Network Engineer in Australia to troubleshoot BAU tickets, manage BGP and IPsec VPNs, and implement changes across switches, firewalls, and wireless infrastructure.

You will work in secure government environments, collaborating with internal teams to ensure secure, scalable, and compliant network solutions. Strong vendor knowledge and problem-solving skills are essential.