Profile Highlights:• Operations and Network Maintenance on mobile Core Nodes in ethio telecom. i.e SGSN, MME, S-GW, P-GW, GGSN, EPC and DNS. • Hands on experience on HUAWEI Core Elements SGSN/MME/SGW/PGW/GGSN.• Hands on experience on ERICSSON Core Elements SGSN-MME/EPG/iDNS/eDNS/EMM/DSC.• Hands on experience on ZTE Core Elements uMAC/xGW/DNS.• End to end understanding and connectivity of the telecom core nodes.• KPIs Analysis, Fault restoration and strategy build-up in the domain.• Understanding of GPRS/UMTS/LTE architecture.• Understanding of SS7 network, GPRS/3G, EPC/LTE call flow, VoLTE and protocols involved.• Various service and maintenance configurations in PS SGSN/MME/GGSN/S-GW/P-GW nodes.• Integration and interconnection configurations from PS SGSN/MME/GGSN/S-GW/P-GW/DSC nodes to peer nodes, with all type of interfaces.