ORASCOM TELECOM
- NOC NSS Senior Engineer
PARIS
2005 - 2012
* Project : Put in service & NGHLR Maintenance
* Put in service NGHLR ALCATEL 1430 for ORASCOM TELECOM ALGERIE.
* Installation, configuration and maintenance of NGHLR A1430.
* Migration of all OTA subscribers located on old HLR, Supervision of alarms, coordination with R&D to resolve a problem (upgrade, patch installation).
* Integration, Acceptance and maintenance of NSS subsystems
* Good knowledge of mobile communication. ;
* NOC NSS senior Engineer Alcatel Support at Orascom Telecom Algeria.
* Exploitation, configuration and maintenance level1 of HLR (A8360)/RCP (A8360&A8362) /SSP (HC)
* Tekelec STP, HLS Apertio, NGHLR. ;
* Integrate all the Network Elements in the TEKELEC STP ;
* Solve all SS7 problems (related to NSS, TEKELEC STP...)
* Manage all parameters of NSS OTA network (Worked on Network of 17 Millions subscribers).
* Exploitation, configuration and maintenance level 2, RCP, HLR, MSCs, and STP.
* Interconnect PSTN & gateway, management translation, SCCP CARRIER and International, Roaming, Load balance on the NEs, Routing calls (MSRN, HO, MSISDN). ;
* Configuring Interconnection with other mobile operators, fix, SSP (gateway for international Roaming) and international calls.
Configuration of all interfaces between NSS and IN, SMSC, VMS, daily observation in the network elements .
Quality of service in the network.
Technical Support and Reporting.
Intern departments as VAS/IN, GPRS or NSS, subscribers complains and reporting.
Very Good experience in Signaling (MTP/SCCP/ISUP/MAP/CAP/ BICC).
Good knowledge background in IP.
Responsible for ALCATEL NSS data base updating.
Execution of all WO related to NSS.
Analyse, manage and solve the problems occurred on the NSS part.
Assure the ALCATEL NSS maintenance level2.
Assure NSS HOT-LINE for NSS Engineer and NSC Engineers 24/24.
2007 to 2008 Migration to the new numbering plan NNP (feasibility, test-plan, simulation and cutover plan…).
Working to detect and solve QOS problems.
Working on Engineering Team to make all WO for implementation of the new STP TEKELEC equipment.
Acceptance follow up and planning of live EPAPS and Eagles STP.
Integrate all the Network Elements in the TEKELEC STP.
SS7/SCCP migration from ALCATEL to TEKELEC STP.
First line troubleshooting for local maintenance of TEKELEC equipment.
Basic engineering work.
Maintenance contact assistance.
Management of HW exchanges.
Responsible of Remote connection.
Installation of new versions/Releases with help of TEKELEC.
Advanced troubleshooting.
Network engineering work.
System upgrades with help of TEKELEC.
Upgrade STP from different Release 31.XX to Release 42.XX.
Upgrade EPAPs from Release 9.XX to Release 13.XX.
SS7 Traffic migration from LSL to HSL.
SS7 Traffic migration from TDM to HSL.
Commissioning and integration of STP05 and STP06.
Health check analyses, HC1 and HC2.
Regular & scheduled Database & System backups of TEKELEC equipment.
TEKELEC System Report Analysis.
Regular & scheduled checks of traffic measurements & statistics of all STPs.
Regular STP log file analysis & housekeeping.
Remote Access Verification of all STPs of the network.
Remote Backup of the Data Base STPs.
Commissioning and integration of all charging system platform with all STPs of the network (CCN, AIR, SDP).
TEKELEC Spares Inventory Rotation.
Solve all SS7 problems (related to NSS, TEKELEC STP…).
Management of all complaints received from the customer by launching of pertinent correctives actions.
Performing internal quality audits.
Updating of all procedures related to the process description of Orascom Telecom Algeria project (management, realization, support and maintenance).
Monitoring of all KPI (Key Performance Indicators).
On call after hours in order to support the local maintenance.
Migration of more than 14 millions Subscribers from all ALCATEL HLRs/ngHLR.
Technical Support, on customer site troubleshooting and reporting.
Extension of Inter-STP using SIGTRAN protocol.