Don Nibhath Akalanka Kumarasinghe

• Plan, design, implement, operate and troubleshoot network and business security solutions for corporate clients as well as Internet Data Centers and Disaster Recovery Center • Manage, monitor, troubleshoot and isolate company network infrastructure and perform housekeeping procedures to maintain network performance • Manage, maintenance & troubleshoot with local and international upstream providers e.g. IP Transit, Public peering- IXP, Private peering, IP address assignment

• Delivered the delightful level of service to corporate customers by responding to inbound complaints • Identified issues related to company network as well as customers links, streaming customers, troubleshoot and isolate issues upon first level troubleshooting and escalate to relevant department • Monitored and managed the company network infrastructure using standardized monitoring tool

• Planned & optimized RF network using Mapinfo and KPI monitoring in 2G, 3G,4G and BTS, In-Build System (IBS), Antennas and Microwave link Installation and Transmission • Handled customer complaints which come from Network Operation Center with operating outdoor and indoor drive tests using TEMS, XCAL tools • Gained knowledge of MSC/HLR/VLR/SBC, NGN (MGW, WCS), MPLS, SS7, SIGTRAN core network protocols including operation IDD and Roaming and server virtualization with SAN networks

Communication Theory, Communication Systems, Data Communication & Computer Networks, Optical Communication Devices & Systems, Artificial Intelligence, Advanced Operating System