Core Network Engineer
ZTE TELECOM INDIA PVT LTD
Total years of experience :11 years, 6 Months
IP/MPLS Support Engineer
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• Implementation and support of IP/MPLS backbone using Cisco Service Routers and switches (, ASR 901, 6500, 7200, 3750, etc.) to carry voice and data services
• Migration of existing TDM services to IP
• Configuring Qos and Traffic engineering within the MPLS core.
• Provide higher technical support to NOC and other operations teams with regards to IP/MPLS infrastructure and escalate to vendors on major issue
• Review, agree and carry out IP Implementations as required by Planning
• Change control management/ emergency maintenance on MPLS core.
• Enterprise Network deployment over the MPLS cloud (L2/L3 VPNs)
• Review and update network documentation covering the drawings, technical documents and as-built documents.
• Supervise the tasks related to planned activities in the network
Packet Core Engineer
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• Working on ZTE PDSN, MME, SGSN, GGSN, Sgw/PGw Devices
• Alarm handling of PDSN, MME, Sgw/Pgw
• Troubleshooting for 2G & 3G & LTE Packet core nodes-PDSN, SGSN, GGSN, SGW-PGW, MME
• Interaction and support to all circles during configuration/testing activity (i.e. for GB link configuration, RAC, LAC, TAC creation in GSM/LTE, New APN configuration in PDSN, SGSN, GGSN, MME, P-GW)
• Responsible for the debugging of all cards, version loading in cards.
• Integration & Commissioning of PDSN, HLR, CG, LIG, GMSC, MSC EIR, BSC, RNC, enodeB, HSS, , P-GW
• PDSN, GGSN, P-GW, billing server configuration.
• PDSN to BSC & MME to BSC, RNC, EnodeB, HSS, Sgw, Pgw, CG, LIG integration on GB over IP.
• DNS configuration.
• Troubleshooting and explanation of technical Issues.
• Acceptance testing of the PDSN, MME & Pgw
• Preparing and maintaining databases, daily reports
• Preparing troubleshooting documents.
• Connectivity of PDSN, GGSN with AAA.
• Connectivity of GGSN, Sgw/Pgw with PCRF on Gx interface for testing.
• Connectivity between SGSN, MME and BSC Gb over IP
• Configuration of billing servers (CG), setting up FTPs for automatic ftp of CDRs.
• Coordination with the IP team for the network connectivity finalization.
• Managed a dynamic lab environment (Rack / Stack and Operational requirements, including equipment Adds, Moves and changes)
• Monitored functioning of equipment/ peripherals and made necessary modifications to ensure all
Devices operate in conformance with specifications.
• Managed DHCP and DNS services for end user business requirements
• Troubleshoot problems pertaining to performance tuning, network administration, application
Conflicts and System Bugs.
• Responsible for providing proper installation, integration, and initial operation of the desktop environment to support the requirements of business units.
• Suggested improvements in the operations and processes to make the system foolproof. Also troubleshot LAN/WAN connectivity issues related to system software and hardware.
• Maintained network infrastructure LAN/WAN (based on layer 2 and layer 3 switches), managed local and network printers and scanners and handled installations, migration and configuration of network client workstations/ internal VLAN routing.
• Maintained and configured switches, routers and hubs, troubleshooting of Routing Protocol
• B.B.M (MANGALORE UNIVERSITY)
• DEPARTMENT OF PRE-UNIVERSITY KARNATAKA (+2)
• KARNATAKA SECONDARY EDUCATION BOARD (+10)