Core Network Engineer
Core Network Operation & Maintenance :
• Monitoring Of Core Element such as MSC ( Ericson,Nokia,Alcatel,Siemens ), STP ( Huawei,Alcatel ) ITP, HLR ( Huawei,Ericson ). • Maintain Core Element Performance. • Problem Solving Core Element When Error Occurs. • Handling and analyzing customer complaint. • Routine Backup for Core System and Database. • Handling Alarm from Fault Management Team. • Collecting Billing Data CDR ( Call Duration Records ) for MSC. • Execute System Configuration as per given access • Load Balancing Customer prefix when limit reached in HLR and AUC. • Health Check System. • Analyze and trouble shooting related to problem handling. • Daily Monitoring alarm via OSS. • Coordinate with Others Colleagues whom have experienced with the problem. • Data base management In HLR. • Support Field engineers In Trouble • Monitor Project Team Indosat activity, on any modification, upgrade and related changes in Core Elament. • Corection and patching APG for MSC/MSS/HLR ericsson. • Coordination with other operator to create new link or trunk at MSC or STP. • Coordination with IN engineer to load balancing customer prefix at HLR. • Create new prefix number internal and other operator at core element. • Perform core expansion new network element (STP Huawei, MSC Ericsson,Nokia and Siemens, HLR Ericsson and Huawei). • havineg coordination with other team to find root cause such as IN team or VAS team. Major Contribution : • Finished and successfully project STP Huawei Expansion 3 Node (3 main city) • Finished and successfully Project HLR Huawei Expansion at Surabaya • Finished and successfully Support single IN project from siemens to ericcson • Finished and successfully Support Migration Traffik Voice From STP Alcatel Gateway to Ericsson Tandem Gateway. • Finished and successfully Support Migration prefix Redudancy HLR Huawei and HLR Ericson.