Core NSS NOC Engineer
worldcall
Total years of experience :13 years, 4 Months
executive engineer at noc nss core engineer & also experience networks.
• IMS O&M & Call Flow understanding .
• VoLTE concept and understanding for e2e calls and registration.
• IP routing and Switching experience.
• Complete understanding of Diameter.SIP, H.248, ISUP &Camel protocols.
• CUDB O&M and Troubleshooting.
• HSS O&M, Troubleshooting, upgrade and Archive server configuration.
• CUDB, HLR-FE and PGN Integration and acceptance.
• MSDP and MSTOP knowledge.
• GSM-R, Policing, screening and rerouting implementation.
• 4G LTE definition on HSS Side .
• LTE Testing and Configuration.
• LTE, Software Upgrade, RCS & Sector Configuration.
• EPA, IPA, AGM, UAM upgrade for core nodes.
• CSFB, VOLTE and SIP call flow Analysis.
• Carrying out migration activities from existing Ericsson routers to Huawei IP Core routers
• Enabling MPLS TE, ISIS, QOS, BGP, optionA e-BGP, L3VPN, BFD as conforms to the existing Ericsson router configurations to limit any possible traffic breaks during migration.
• Offering L2 support for network troubleshooting on all of vendor platforms; Cisco, Ericsson and Huawei for fast services restoration as per the SLA agreements during migrations and during normal network operations
• Configuring new CS core, PS core, BSC, RNC services to the Ericsson routers yet to be migrated.
• Enforcing the adherence of SLA during operations, processes and procedures.
• Preparing daily and weekly KPI reports as well as network health check reports.
Operation and Maintenance:
• CDMA2000 based Huawei R4 network CSOFTX3000, HLR9820, UMG8900, .
• Huawei Packet Data serving nodes PDSN9660/GGSN/SGSN. Huawei Router NE40, Huawei Quidway Eudemon Firewalls.
• Alarms monitoring, Trouble Ticket generation and Co-ordination with Vendor (Huawei) in case of critical outages.
• Responsible to handle the complaints, different issues like creation of new numbers in HLR or changing ESN w.r.t MDN or vice versa.
• Worked on iManager, Local Maintenance Terminal (LMT’s) of HLR9820, CSOFTX3000, UMG8900 and on iGWB.
• Network Integration of Huawei IMS nodes encompassing: HSS, CSCF, DNS, ATS, CCF, SBC.
• Developed regular maintenance task to be used by Front Office engineer, implemented performance measurement task to be collected by Front Office.
• Provide operation support for IMS nodes, in Managed Service team.
• Act as L1 engineer, manage and solve problem occurred during live/operation phase.
• Provided best practices and recommendations related with IMS core networks.
• Managed interface design and integration with supporting network, such as Huawei M2000, BSS (Comptel Billing/Charging), Location Tracing, CDR formatting.
• SIP configuration with other MSCs.
• Signaling link configuration with other NE.
• Subscriber management in Huawei AAA and HLR servers.
• Trace and CDR analysis for quick resolution issues related to PS and CS Core.
• 24x7 network monitoring and fault escalation.
• Prepare daily, weekly & monthly reports of bandwidth utilization, network availability, KPI’s, Traffic and outages to be presented to higher management.
• Resolve customer issues and complaints of CDMA EVDO and 1X on Customer Relationship Management system (CRMs) and Prepaid Management System (PMS).
• Good communication skills approves customer loyalty so increase a franchise profit.
• Check & balance of cost, daily scratch cards orders delivery reports.
• As a team lead Improves sales man & CSR skilss to get trust of customer.
• good communication skills, can lead a team in good way.
Telecom Major
passed F.SC pre Enginering in 2005
matric/O level equavilent