-Working on the GSM core/LTE/IMS-GSM core and IMS planning-Planning and Optimizing the core network-Operation and Maintenance of the Core network(GSM/IMS/LTE).-Upgrading the network as required-Support & Manage Roaming network performance & availability-Liaison with external parties & vendors management.-Taking part in tender evaluations as well to create the RFQ and RFP as per the company requirements-Manage and ensure completeness of Core network design and network capacity in supporting products rollout and growth.-Work closely with business team on new product/feature delivery, to achieve company/division’s goal & KPI. Constantly seek for innovative idea for Mobile Core services.

CS core Operation and ManagementPS Core Operation and ManagementLooking into IP planning as well as firewall maintenanceCore planning and upgrades

Packet Core Care EngineerCase Handling using the Resolve TOOLUpgrading the SGSN and Flexi ISN(GGSN)

One HLRRoutine O&M activityUpgrade the One HLR to Latest PatchesPS Core Combi SGSN/Flexi ISN 4.0 O&M activities on routine basisUpgardes on the SGSN and Flexi on cutomer requestMainting the IP backbone the Cisco 7609 switchesOSSWorked on the OSS 4.2Currently working on the OSS 5.1Integration of all VAS elements(MMSC,SMSC,@com,NPS,SAAM) to OSS for PM and FMIntegration of DX 200 platform NEsATP for the OSS 5.1

 Routing and IP network management and trouble shooting of HP UX operating system, database, syslog, werlogs and various log files.Maintenance of CISCO router for interconnectivity

 Oracle (11g) Database Administration Online and Offline Backup and Recovery NetAct Software upgrade, CD Implementation, Regular check up of processes running in application server, communication server and database server for proper operation of NMS. Managing cron jobs & SQL queries in UNIX/LINUX & DB. Publishing application on Nokia Netact start up, user management ,LUN Utilization, maintaining the table space. WAS administration, ITIM Tivoli user management. Troubleshooting and managing the system as well as escalating the problem through Resolve to level 2 & 3 NSN support

Basic three operationsFault Management :- Escalation of fault related to BTS,BSC,MSS,OSS & transmissionPerformance management : Preparing report for MSS,BSC & Daily reports according to the customer needConfiguration Management : Site creation 2G,TRX AdditionOSS : Managing the Servers,Taking offline Back up,Managing the Database

Switch Engineer :Maimtaining the routing table in Ericssion AXE 810 switch.Taking the back up off switchCustomer complaints handling