Nasri - Computer Engineer - Lisbon, Portugal

Khaled Nasri

Lisbon, Portugal

Services

Computer Engineer

Work History

CS Core Engineer

NSN/ Field

October 2010 - October 2013

Company: NSN/ Field: GSM-R Core Engineer ( Mobile switching )
Tasks: Commissioning, Integration, Acceptance and Care.

End to End Customer Care

Watania Project Algeria

December 2007 - February 2008

Numbering Plan Change Mobile switches (Watania Project Algeria).
- Daily troubleshooting.
- End to End Customer Care, Trouble Ticketing handling.
- ON CALL.

Mars

Up to September 2010

Experience on Nokia MSS (M13.6 and M14.4) and MGW (U3.C and U4.2).
- CD (Change Delivery) Installation on MSS and MGW.
- Stats analysis and Measurements supervision on Nokia R4.
- Complaint handling with full technical support to the issues affecting QoS.
- Regular system administration, exchange alarm monitoring control and supervision.


2013-10-21 - Experience with SS7 and SS7 over IP (SIGTRAN and MEGACO protocols);
- Troubleshooting of Nokia NSN R4 NEs;
- End to End Customer Care, Trouble Ticketing


October 2010 till now
- Active Participation in Installation and commissioning of ex-SIEMENS D900/1800 EWSD:
Software release SR14 GSM-R
- MSC/VLR/HLR/AC/GCR database administration (SCCP Routing, SS7
Signaling database, routing administration, charging, etc.

- SSS GSM protocols analysis (DTAP, BSSAP, MAP, TCAP, ISUP).

- Software update / HW maintenance.
- Routing design and Numbering plan.
- Daily troubleshooting.
- End to End Customer Care, Trouble Ticketing handling.
- Platforms integration: SMSC, Frequentis FTS and DIVOS, Ack Center, SofisCom Server for train
localization, eBSC,
- Installation / integration / testing / Acceptance of DICORA devices.
- Testing / Acceptance of GSM-R functionalities.
- SIM cards update / testing.
- Active participation in IP Plan / Remote Access for all GSM-R subsystems.
- Installation / testing of Siemens Cab Radio's.
- Preparation of Acceptance documentations for: ex-Siemens MSC/HLR, Frequentis DICORA, SAGEM
terminals, Siemens Ack Center
- Installation / testing / Integration of NTP server.

CS Core Engineer

Siemens Tunisia/ Field

July 2004 - September 2010

( Mobile switching )

CS Core Engineer

Siemens Tunisia/ Field

June 2001 - June 2004

( Fixed switching )
Tasks: Installation, Commissioning, Integration, Acceptance and Care.

Project technician

SIEMENS Fixed Switches

June 2001 - June 2004

Active Participation in Installation and commissioning of SIEMENS Fixed Switches
Software Versions: V11&V15 fixed switches.
- Software/hardware system Upgrades V11 - V15.
- SSP functionality integration in Transit fixed Switches.
- On site Supervision and coordination for Installation and commissioning of new fixed switches
(Tunisie Telecom 9th Plan Project)
- Announcements integration in Fixed Switches
- Daily troubleshooting.

July 2004 to April 2007.
- Active Participation in Installation and commissioning of ex-SIEMENS D900/1800 EWSD:
Software releases SR9&SR11&SR13 mobile switches.

- Data base definition for new MSCs, HLRs, SCPs, and other NE's.

- MSC/HLR database administration (SCCP Routing, SS7
Signaling database, routing administration, charging, etc.

- SSS GSM protocols analysis (DTAP, BSSAP, MAP, TCAP, ISUP).

- CAMEL PH3 protocols administration and analysis.

- Software/Hardware system upgrade.
- Experience with SS7 and SS7 over IP (SIGTRAN protocols).
- Routing design and Numbering plan.
- Daily troubleshooting.
- End to End Customer Care, Trouble Ticketing handling.
- ON CALL.
- Platforms integration: IN, SMSC, VMS.

Qualifications & Certifications

Physics Electronics

University of Sciences

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