Senior L3 Network Engineer

New South WalesFull-time2026-10-31 → 2026-11-12

Based in AustraliaAustralia citizens only

Core

Senior L3 Network Engineer maintaining reliability, security, and performance of enterprise-scale data centre networks and cloud infrastructure.

Role type

Senior hands-on IC Network Engineer (L3 escalation)

Builds

High-availability data centre and enterprise network environments

Domain

Data Centre / Cloud Infrastructure / Network Engineering

Required skills

Routing & Switching, Cisco Switching & Routing, Enterprise LAN/WAN, Network Segmentation, DNS & DHCP, High Availability Network Design, Security, FortiGate Firewalls, Palo Alto Firewalls, VPN Technologies, Security Hardening, Network Access Controls, Wireless Troubleshooting, Network Monitoring, Incident Management, Automation, Root Cause Analysis, Mentoring

Preferred skills

Cisco/Palo Alto/Fortinet/Juniper certifications, Hyperscale/Cloud environment experience, NV1 Security Clearance

Technologies

Cisco, Palo Alto, Fortinet, Juniper, FortiGate, UniFi, Palo Alto, Juniper Wireless

Responsibilities

Act as L3 escalation point for critical incidents, Lead troubleshooting and root cause analysis, Support 24x7 on-call roster for P1/P2 incidents, Perform network lifecycle management (patching, upgrades), Drive operational excellence via automation, Maintain network security and resilience, Produce technical documentation and runbooks.

Seniority

Senior, hands-on IC

About Logicalis

Logicalis is an Equal Opportunity Employer. It is our policy to employ people who are qualified by reason of education, training, experience, and demonstrated performance. We value inclusion and belonging at our company. We do not discriminate on the basis of race, color, religion, national origin, sexual orientation, gender identity and gender expression, marital status, age, height, weight, disability, veteran status, or any other reason prohibited by applicable federal or state laws.