Muhammad Waqar Afzal

Ericsson Certified Expert Packet Core

 

CELL (+1) (469)6057268 • E-MAIL waqar.fast@gmail.com •                            Ericsson Certified Senior Service Engineer                                                                                                                                                                                                                                                                                                                

CAREER SUMMARY

·   9 years of extensive experience in Telecommunication Industry with specialization in Packet Core, VAS/Charging System and IP networking. 

·   Deep understanding of Charging System nodes (CCN,SDP,VS,IVR) and Protocols (Diameter ,INAP,CAMEL)

·   Hands on experience for programming languages C++ Java, Excellent exposure to shell scripting.

·   Diversified experience in Operation and Maintenance, Troubleshooting, Optimization and Planning of 2G, 3G and 4G technologies.

·   Ericsson Certified Packet Core Expert 

·   Ericsson Certified Senior Service Engineer.

·   Exceptional analytic, consultative, leadership and soft skills empowered in Managed Services Environment.

·   Experience on latest solutions of Telecommunications i.e. CSFB, Volte, VoWiFi, SDN ,SRVCC)

·   Experience in OSPF, BGP, and VRRP protocols on Cisco SSR and SE routers Certified by CISCO and Ericsson.

·   Good working exposure to Oracle Database 10g and 11g.

·   System administrator experience on Solaris, UNIX and Linux servers.

·   Troubleshooting experience for Diameter, GTP, DNS, HTTP, RANAP, MAP and SMPP protocols.

tECHNICAL CERTIFICATIONS

2013	Ericsson Certified expert Packet Core
2013	Ericsson Certified IP Networking Associate
2014	Cisco Certified Network Associate(CCNA)
2013	Ericsson Certified SGSN-MME Professional
2013	Ericsson Certified EPG Professional
2013	Ericsson Certified SASN-PCRF Professional
2015	Ericsson Certified Cloud Associate
2015	ITIL Foundation V3 Certified.

Experience

 

IT Experience

·   Ericsson nodes with Oracle Database (EMA,EMM,OLM)

·   Working as Oracle and Sun Solaris Servers Administrator.

·   Maintaining database incremental and full backups.

·   Maintaining backup database from live database

·   Installation Oracle 9i from scratch on sun Solaris servers

·   24/7 database monitoring through scripts.

·   Development of IT portal using C# to query CDR records for customer care and front office.

 

Tier 2 Packet Core Engineer 

T-Mobile USA (APRIL 2016 – Current)

 

·   As Tier2 Packet Core Engineer responsible for operation and maintenance of Packet Core network.

·   ATP for new nodes in network.

·   Troubleshooting of complex network issues. Coordination with different vendors.

·   MOP validation and execution for network changes.

 

 

Senior Service Engineer Packet Core

Ericsson SAUDIA (1^st JUL 2012 – Mar 2016)

·   Responsible for Mobily Packet Core Network (2G, 3G, and 4G) in terms of agreed SLA KPI’s and MTTR.

·   Operation and maintenance tasks for EMM, EMA, OLM, SAPC and DWS.

·   Policy configuration from business model  requirement in PCRF

·   Design policy and rule implementation in PCRF

·   Upgrade and update SAPC application.

·   Software / Hardware upgrades, integration with Core and Charging System nodes and ATP for all Packet Core nodes.

·   Writing scripts UNIX shell scripting on UNIX platforms to actively check Packet Core network performance and generate SMS alerts in case system performance degraded.

·   Troubleshooting Gb,Gn,Iu,S1,Gi,Gf,SGs,Gx,Gy interfaces .

·   Configuration of new APNs, new IMSI range, TA, LA, PM jobs, and any other (Gb, Gr, Iu, Gn, Gp, Gy, Gx, S6a, S1-MME, S1-U, S5, S4,S8, S10, S11 and SGs configuration).

·   Configuration of SGSN-MME, EPG, DNS, SAPC as per business rules.

·   Weekly Customer meeting related to VAS and PS operations.

·   SSR and SE routers configuration for OSPF BGP and VRRP protocols.

·   Attach, Activation ,ISRAU, CSFB , Paging , PDP cut off, Service request  KPI improvement 

 

Senior Packet Core Network Consultant

Ericsson SAUDIA (6^th JAN 2012 – 30^th JUN 2012)

·   Responsible for STC Packet Core Network (2G, 3G, and 4G) in terms of agreed SLA KPI’s and MTTR.

·   Design, Configure and Monitor Packet Core network

·   Upgrade and update SAPC application.

·   Software / Hardware upgrades, integration with Core and Charging System nodes and ATP for all Packet Core nodes.

·   Troubleshooting Gb,Gn,Iu,S1,Gi,Gf,SGs,Gx,Gy interfaces .

·   Configuration of new APNs, new IMSI range, TA, LA, PM jobs, and any other (Gb, Gr, Iu, Gn, Gp, Gy, Gx, S6a, S1-MME, S1-U, S5, S4,S8, S10, S11 and SGs configuration).

·   Configuration of SGSN-MME, EPG, DNS, SAPC as per business rules.

·   Weekly Customer meeting related to VAS and PS operations.

·   SSR and SE routers configuration for OSPF BGP and VRRP protocols.

·   Attach, Activation ,ISRAU, CSFB , Paging , PDP cut off, Service request  KPI improvement 

 

Senior Packet Core and VAS network Consultant

Xcelence Ltd (Airtel Ghana) 8TH Jan 2009 – 15^th SeP 2011

 

Responsible for Zain Packet Core and VAS Network (2G, 3G) in terms of agreed SLA KPI’s and MTTR.

·   Troubleshooting issues on Gb, Iu, Gn, Gi and Gy interfaces.

·   Configuration management for SGSN,GGSN,DNS,RADIUS server

·   VAS network include SMSC, MMSC, VMS, MCN, EMA, EMM, OLM and money transfer nodes.

·   Weekly customer meeting and coordination with planning and project team

·   Troubleshooting SMPP, Diameter and MAP protocols.

·   Writing Formatter in DUP for EMM as per billing team requirement.

·   Troubleshooting Java codes in OLM

·   Defining new network elements and routing tables in EMA.

·   Accountable for the stability, availability and quality of dedicated platforms and services.

·   Evaluate specification of new equipment and vendor proposals.

·   Major Project during this Job

o   Ericsson SGSN upgrade from R8 to 2009A

o   Ericsson GGSN upgrade from R4 to 2009A

o   Ericsson OLM cutover and sway to jataayu CP

o   Optimization solution installation (Blue Coat)

o   Rebranding all VAS and PS nodes from Zain Ghana to Airtel Ghana.

Service Engineer VAS Operations,

Ericsson Pakistan 1^st  SEP 2006 – 5^th  JAN 2008

Responsible for Warid Packet Core and VAS Network (2G) in terms of agreed SLA KPI’s and MTTR

·   VAS network include SMSC, MMSC, MOIP, EMA, EMM, WAPGW,OLM,MIEP and GPRS nodes SGSN, GGSN ,FW

·   Managing deployed VAS services and supporting live operations.

·   Accountable for the stability, availability and quality of dedicated platforms and services.

·   Manage and control the operation and maintenance activities for all VAS platforms to ensure uninterrupted services.

·   Preparation of various weekly/ monthly reports related to VAS and PS network.

·   Provide expert knowledge to solve complex problems.

·   Evaluate specification of new equipment and vendor proposals.

·   Experienced in configuring products on high availability servers and integrates platforms into customer's network.

·   DST changes in all VAS and GPRS nodes.

TECHNICAL SKILLS

PACKET CORE(EPC Network)

·   Ericsson MME-SGSN Working on 2014B CP06 ·   Ericsson EPG EPG-S 8010  2014B CP03 ·   Ericsson EPG-M (20,120,320) 2013A CP07 ·   Ericsson SAPC Working on 2012A CP05 & 2014A ·   Ericsson DNS Servers ·   SBR (Radius)

DATA CORE

·   SSR Router (8010 ) ·   Smart Edge (800,1200H) ·   Summit L2 Switches ·   Cisco Site Routers

MESSAGING & VAS

·   Ericsson EMA (Ericsson Multi Activation)(Latest release worked on 5) ·   Ericsson EMM (Ericsson Multi Mediation) (latest release worked on 6.1) ·   Ericsson OLM (6.1) Online Mediation ·   Ericsson MMS (latest version worked on 5.0) ·   Ericsson MOIP, Ericsson MIEP (WAP GW) ·   SMSC (Telsis ,Homisco and Tango)

COMPUTER SKILLS

·   UNIX/LINUX Shell Scripting ·    C++ , Java ·   ORACLE, LDAP Databases ·   LINUX/UNIX, SunOS System Administration. ·   PS and VAS nodes integration with Cacti

tRainings

2014	IPv6 customized training Ericsson Saudia
2013	Soft Skills Training Ericsson Saudia
2013	SGSN-MME Troubleshooting and configuration Ericsson Saudia
2013	SACC configuration Management Ericsson Saudia
2012	OSPF and BGP hands on Training for Smart Edge router Ericsson Saudia
2012	EPC System Survey  Ericsson Saudi
2012	QOS E2E configuration Management Ericsson Saudi
2008	MMS R5.0 Workshop  Ericsson Oman
2007	Sun Solaris System administration 1 & 2
2006	GSM System Survery

 

Education

Bachelor in Telecommunication Engineering

National University of Computer and Emerging Sciences, Lahore, 2006