Senior Network Infrastructure Administrator

Lead enterprise network infrastructure in a hybrid Etobicoke role using Palo Alto firewalls, F5 Load Balancers, and advanced troubleshooting expertise.This permanent Senior Network Administrator position requires progressive enterprise networking experience in complex, large-scale environments. You will manage routing, switching, LAN/WAN connectivity, network security, and critical infrastructure services. The work emphasizes independent escalations, root cause analysis, and long-term network stability.Key Responsibilities:
Administer, configure, and optimize enterprise network infrastructureManage Palo Alto policies, VPNs, segmentation, and troubleshootingAdminister F5 Load Balancers and optimize application deliveryLead complex incident escalations and root cause analysisSupport critical issues through an on-call rotationRequirements:
Five-plus years in enterprise network administration or engineeringAdvanced Palo Alto firewall configuration and troubleshooting experienceStrong F5 Load Balancer administration experienceExpertise in routing, switching, VLANs, TCP/IP, and LAN/WANAbility to troubleshoot independently and lead technical escalationsApply your enterprise networking, Palo Alto, F5, and escalation expertise as a Senior Network Administrator in Etobicoke.
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