Senior L3 Network Engineer – Data Centre & Cloud (Hybrid)

Logicalis; Sydney; Hybrid; AUD 140,000 - 180,000; Full time

Benefits offered by this job

Hybrid work arrangement

Hybrid Sydney/Melbourne location

Contract role 12 months

Job summary

Logicalis is seeking an experienced Senior L3 Network Engineer to join our global digital infrastructure operations, supporting cloud, AI, and HPC environments. You will operate in a 24x7, high-availability setting, handling complex troubleshooting and continual service improvement.

The role requires extensive experience in enterprise switching, data centre networks, security, VPNs, and incident management, with on-call rotations. Hybrid working in Sydney or Melbourne is offered.

Qualifications

• 10+ years' experience in a Senior Network Engineer or Network Operations role.
• Experience supporting large-scale enterprise, managed services, cloud, critical infrastructure or data centre environments.
• Strong troubleshooting and root cause analysis capability.
• Experience working within ITIL-aligned support environments.
• Previous participation in 24x7 support and on-call rotations.
• Experience with infrastructure automation, scripting or Infrastructure-as-Code technologies will be highly regarded.

Responsibilities

• Provide Level 3 support across enterprise and data centre network environments.
• Lead the diagnosis and resolution of complex network incidents and service disruptions.
• Perform root cause analysis and implement permanent remediation activities.
• Participate in a 24x7 on-call roster supporting critical Priority 1 and Priority 2 incidents.
• Manage network lifecycle activities, including upgrades, patching and technology refresh programs.
• Support network security initiatives, vulnerability remediation and compliance activities.
• Maintain operational documentation, technical standards and support runbooks.
• Collaborate with internal engineering teams, vendors and service providers to deliver reliable infrastructure services.
• Drive continual service improvement, automation and operational efficiency initiatives.

Skills

Enterprise Switching

Data Centre Networking

Firewall & Security

VPN & Remote Connectivity

Wireless Networking

DNS & DHCP

Network Segmentation

Network Monitoring

High Availability

Incident & Change Mgmt

Tools

Automation & Scripting

Infrastructure as Code

Job description

Logicalis is seeking an experienced Senior L3 Network Engineer to join our global digital infrastructure operations, supporting cloud, AI, and HPC environments. You will operate in a 24x7, high-availability setting, handling complex troubleshooting and continual service improvement.

The role requires extensive experience in enterprise switching, data centre networks, security, VPNs, and incident management, with on-call rotations. Hybrid working in Sydney or Melbourne is offered.