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Abubaker Osman, Voice Core CS/IMS Network Expert

Abubaker Osman

Voice Core CS/IMS Network Expert·Vodafone - Qatar

Qatar

Bachelor's degree, honer

Work experience

Total years of experience: 17 years, 6 months

Voice Core CS/IMS Network Expert

November 2023 - Present

Vodafone - Qatar

Doha, Qatar

November 2023 - Present

Company industry:
Telecommunications
Job role:
Engineering

NOC Core & Cloud Domain Lead

September 2022 - October 2023

Vodafone - Qatar

Doha, Qatar

September 2022 - October 2023

Company industry:
Telecommunications
Job role:
Engineering

NOC CS/IMS Core Senior Engineer

June 2014 - August 2022

Ericsson

Riyadh, Saudi Arabia

June 2014 - August 2022

 Perform network surveillance and first level fault acknowledgment, analysis & troubleshooting
of all nodes via OSS/SOeM using applications \[such as Alarm List Viewer (ALV), Alarm List Browser
(ALB), Command Handling (CHA), WinFIOL, … etc.\] to constantly check the network for any Alarms.
 Escalate faults to back office and field maintenance. Faults which cannot be resolved at first level
are escalated to back office and field maintenance engineers for further troubleshooting and resolution.
 Follow up on incidents up till resolution.
 Maintains the service delivery level within the agreed SLAs.
 Trouble tickets management.
 Perform shift routines and prepare daily and weekly reports on network faults and activities.
 Perform parameter modifications with the support of back office.
 Attend to customer care trouble tickets on various subscriber complaints and solve them within the
contractual SLAs.

Company industry:
Telecommunications
Job role:
Information Technology

Sr.Core Engineer

December 2008 - May 2014

MTN

Khartoum, Sudan

December 2008 - May 2014

all Ericsson Core nodes MSS, MGW, HLR, Blade cluster, MSC

Company industry:
Telecommunications
Job role:
Information Technology

Education

El Gezira University

March 2008

March 2008

Bachelor's degree, honer

Sudan

GPA (point): 3 out of 4

GPA (point): 3 out of 4

Skills

HSS
Expert
HSS
Expert
IMS
Expert
IMS
Expert
MSS
Expert
MSS
Expert
Core
Expert
Core
Expert
MGW
Expert
MGW
Expert
MSS
Expert
MSS
Expert
Core
Expert
Core
Expert
MGW
Expert
MGW
Expert
Msc
Expert
Msc
Expert
HLR
Expert
HLR
Expert

Languages

Arabic
Expert
English
Intermediate

Training and Certifications

Certifications
Ericsson 5G Core certificate
Ericsson IMS Certificate
Oct 2021
CCNA
May 2016