Senior L3 Network Engineer – Data Center & Automation

Logicalis Malaysia Sdn Bhd; Sydney, Melbourne; On-site; GBP 63,000 - 89,000; Full time

Benefits offered by this job

Employee Assistance Program

Purchased Leave options

Novated Leasing

Job summary

Logicalis Australia is seeking a seasoned Level 3 Network Engineer to manage critical enterprise data centre networks in Sydney or Melbourne, driving incident resolution and automation initiatives. You will mentor teams, coordinate with vendors, and maintain high security and performance across infrastructure.

The role requires 10+ years in network engineering, ITIL experience, and certifications (Cisco/Juniper/Palo Alto/FortiGate).

Qualifications

• 10+ years of Network Engineering experience.
• Proven experience operating as an L3 escalation point.
• Strong troubleshooting skills across switching, routing, firewalls and wireless technologies.
• Experience supporting enterprise, managed services, critical infrastructure or data centre environments.
• Demonstrated experience managing P1/P2 incidents and performing root cause analysis.
• Strong understanding of ITIL service management practices.
• Excellent communication and stakeholder engagement skills.
• Experience mentoring L1/L2 support teams.
• Cisco, Palo Alto, Fortinet or Juniper certifications.
• Experience supporting hyperscale, cloud or data centre environments.
• Automation and scripting experience.
• Current NV1 Security Clearance (Nice to Have).
• Australian Citizenship (mandatory) / eligibility to obtain Government Security Clearance.

Responsibilities

• Act as the Level 3 escalation point for critical network incidents and technical issues.
• Lead troubleshooting, root cause analysis and permanent remediation activities.
• Support highly available data centre and enterprise network environments.
• Participate in a 24x7 on-call roster supporting Priority 1 and Priority 2 incidents.
• Perform network lifecycle management including patching, upgrades and technology refreshes.
• Drive operational excellence through automation, monitoring and service improvement initiatives.
• Work closely with vendors, internal support teams and project stakeholders.
• Maintain network security, resilience and performance across critical infrastructure platforms.
• Produce and maintain technical documentation, runbooks and operational procedures.

Skills

L3 escalation point

Incident management

Automation & scripting

ITIL service management

Vendor liaison

On-call support

Stakeholder engagement

Tools

Cisco devices

Juniper devices

Fortinet/FortiGate

Palo Alto firewalls

UniFi Wireless

VPN technologies

Job description

Logicalis Australia is seeking a seasoned Level 3 Network Engineer to manage critical enterprise data centre networks in Sydney or Melbourne, driving incident resolution and automation initiatives. You will mentor teams, coordinate with vendors, and maintain high security and performance across infrastructure.

The role requires 10+ years in network engineering, ITIL experience, and certifications (Cisco/Juniper/Palo Alto/FortiGate).