Network Security Engineer

<p><b>Key Responsibilities Network Architecture & Operations:</b> Design, deploy, maintain enterprise WAN/LAN/campus infrastructures (VLANs, STP, EtherChannel, vPC, HSRP/GLBP) across 100+ global sites. Lead SD-WAN transformations (Cisco Viptela, Fortinet, VeloCloud) for performance, visibility, security. Configure routing/switching (BGP, OSPF, EIGRP, VRFs); manage large-scale Wi-Fi, Cisco CUCM/MS Teams.</p> <p><b>Security Engineering:</b> Implement NGFWs (Cisco Firepower/ASA, Fortinet, Palo Alto), VPNs (IPSec, DMVPN, GRE). Deploy Zero Trust (Zscaler ZIA/ZPA/ZDX), NAC/ISE with AD/PKI compliance. Ensure PCI DSS, ITIL, ISO/SOX alignment; support audits.</p> <p><b>Cloud Networking:</b> Hybrid cloud connectivity (Azure vWAN/ExpressRoute, AWS Direct Connect). Cloud security (NSGs, Azure Firewall, VNET/VPC peering); IPv6 support.</p> <p><b>Monitoring & Automation:</b> Tools: SolarWinds, PRTG, Man...