Senior Network Support Engineer

Senior Technical Analyst Life on the Team We are seeking an experienced L2 Network Support Engineer responsible for managing enterprise network infrastructure, security appliances, cloud connectivity, and virtualization environments. The candidate should possess strong troubleshooting capabilities across LAN, WAN, SD-WAN, firewall, and cloud networking technologies while ensuring high availability and operational excellence. What You Will Do Provide L2 support for enterprise network and security infrastructure. Monitor, troubleshoot, and resolve incidents related to LAN, WAN, WLAN, VPN, and Internet connectivity. Manage and administer Azure networking components including Virtual Networks (VNet), NSG, Load Balancers, Route Tables, ExpressRoute and VPN Gateway. Configure and support Palo Alto, Sophos, Cisco ASA/Firepower, and other enterprise firewall platforms. Support SD-WAN environments and troubleshoot branch connectivity issues. Manage MPLS, DIA, leased lines, Internet circuits, and ISP coordination. Perform firewall rule reviews, NAT configuration, VPN setup, and security policy implementation. Support Cisco switching and routing infrastructure including VLANs, STP, HSRP, OSPF, BGP, and ACLs. Manage virtualized environments including VMware and Hyper-V networking components. Collaborate with Security, Cloud, Infrastructure and Service Desk teams during major incidents and changes. Execute network changes, upgrades, patching and maintenance activities following change management processes. Maintain network documentation, topology diagrams, SOPs, and asset inventory. What You Will Need 5 to 6 years of relevant experience in Network Infrastructure Administration and Support. Experience supporting global environments, preferably US business hours and on-call support. Networking Cisco Routing & Switching MPLS, DIA, Broadband, IPSEC VPN OSPF, BGP, EIGRP, TCP/IP, DNS, DHCP SD-WAN (Cisco Meraki, Fortinet, Versa or equivalent) LAN/WAN/WLAN Technologies Security Palo Alto Firewalls Sophos Firewalls Cisco ASA / Firepower Site-to-Site & Remote Access VPN Firewall Policy Management IDS/IPS Concepts Network Segmentation & Security Best Practices Cloud & Virtualization Microsoft Azure Networking Azure VPN Gateway ExpressRoute VMware ESXi / vCenter Hyper-V Virtual Network Security Monitoring & Tools SolarWinds PRTG Nagios ManageEngine OpManager Wireshark ServiceNow Experience Level Senior Level