Managing and troubleshooting WAN connectivity of Major Nationwide clients including Samaa & Jaag Broadcasting, HMB, Phoenix Armor, Waseela Bank, Berger Paints, HBL, IGI, Faysal Bank, PizzaHut, KFC, Askari Bank, NIT.Responsible for managing HMB IPLC connectivity, coordinating with Different cross border vendors and service providers like AT&T and PCCW.Analyzing/Troubleshooting routing issues between branches running in MPLS.Providing support to clients with auto fail over topology using SSG5 and Cisco to increase resiliency in their network.Providing Technical Support to Corporate Internet and VPN (Layer 2, Layer 3) clients.Providing support to Fiber client both Dark Core and manageable (Layer 3), troubleshooting their network and escalating to relevant departments in case of fiber breakage.Troubleshooting wireless P2P clients checking bridges response and providing support to them.Worked (as User privilege) on Cisco 3845, Juniper M10i, M7i, M320i and broadband remote access servers (BRAS) to manage client’s connectivity and to checkout allocated routes.Monitoring ISP network (All VPN and Internet clients) through Network Management System (NMS) in case of any alert providing rectification and resolution of problem.Providing hardware/software support on different topologies of the network.Troubleshooting of PPPoX, routing and Bridging based xDSL Configuration.Monitoring of Multi Router Traffic Graph (MRTG)Managing and configuring DSL clients on Aztech and Paradyne DSLAM.Analyzing and resolving TCP port blocking and MTU issues.Follow up with different departments i.e. NOC, FE, SPE and sales in order to resolve customer’s issues at earliest.Used Microsoft CRM as a complaint originating, monitoring and evaluating tool.