Senior Network Support Specialist

IT Engineering - Cloud, Server and Network - Operate and support network devices across locations - Support and operate on-prem and cloud server environments (VMware, Azure VMs) - Ensure high availability and performance of LAN, WAN, WLAN, and internet connectivity - Provide L2/L3 troubleshooting for network-related incidents - Configure and manage Cisco routers and legacy Cisco switches - Manage VLANs, routing protocols, and network segmentation - Operate and optimize wireless access points - Troubleshoot wireless coverage, roaming, and performance issues - Configure and support Aruba SD-WAN across branch and data center locations - Monitor WAN link performance, latency, packet loss, and failover behavior - Manage FortiGate firewalls including policies, NAT, VPNs, and firmware upgrades - Support Zscaler connectivity, security policies, and traffic routing - Administer ClearPass for network access control (NAC) and device authentication - Manage Infoblox for DNS, DHCP, and IP address management (DDI) - Support Azure networking for cloud networks (VNets, subnets, NSGs, routing) - Troubleshoot hybrid connectivity between on-premises and Azure environments - Monitor network health using enterprise monitoring tools (e.g., LogicMonitor) - Maintain device configurations, backups, and version control - Ensure adherence to network security, design, and operational standards - Maintain network diagrams, IP addressing plans, and topology documentation - Create and update SOPs and operational runbooks - Provide knowledge transfer and mentoring to junior engineers and NOC teams - Engage with vendors (Cisco, Fortinet, Aruba, Zscaler, ISPs) for technical support - Identify opportunities to improve network performance, resilience, and security