Amal George amalmgeorge1987@gmail.com

8262 N Neva Ave Niles IL 60714                   Mob: 224-260-1356

 

 

Core Competency

·          Technical Sr. Telecom Network professional with strong Five+ years of Network Testing, Operation and Maintenance, Troubleshooting, Configuration and Fault management of Core nodes in LTE/VOLTE, IMS, UMTS and GSM domains.

·          Worked on different type of Testing Audit & Validation for Core Nodes in LTE/VOLTE (MME, ePDG), IMS (P-CSCF, I-CSCF, S-CSCF, HSS and IPSMGW) and protocols & feature/functional testing.

·          Experience of SIP and DIAMETER protocols in IMS and LTE/VOLTE feature Testing and functional Testing.

·          Domain knowledge of GPRS network architecture.

·          Experience with Nokia and Ericsson switches, Protocol Analyzer like Wireshark.

·          Expertise in Diameter-Cx and Sh Interfaces, S6a, Swx and also in SIP messages.

·          Expertise in product line management and working with cross functional teams to trouble shoot the network issues in IMS/LTE domains and updating the status to the senior management.

·          Having Wireless experience with System Test, IOT responsibilities including System Functionality, OAM and KPI Activities in HLR, MSC, SS7, SCP and MSC nodes.

·          Expertise in Counters and Alarm Testing, Analyzing of Network Element performance.

·          Award Solutions Training in IMS, LTE, EPC and VoLTE.

·          A quick learner and a team player with excellent decision-making, analytical problem solving skills, communication talent and ability to lead.

·          Demonstrated success record in: Managing multiple tasks with proven ability to meet deadlines and proactively identifying the problem to solve complex technical issues.

·          Highly enthusiastic, creative team player, project implementation, analytical, interpersonal and communication skills.

 

 

Technical skills

·          Sound knowledge and hands of experience of LTE, VoLTE, IMS, UMTS Packet Core network technologies [GPRS UMTS, LTE-EPC], GSM.

·          Good understand and working experience of IMS Network Elements PCSCF, S-CSCF, HSS, TAS, MGCF, BGCF, ENUM and Application Servers.

·          Comprehensive understanding on Troubleshooting and Protocol Analyzer tools and probes.

·          Good understanding on LTE and VoLTE Interfaces protocols and call flows.

o         EPC protocols – IuPs, S1-AP, S1-MME, S1-U, S4, S5/S8, S10, S11, S6a, SGs, Sv Sgi, Sh, Cx, Rx, Gx.

o         IMS Protocols – SIP, Diameter, SDP

·          Good understanding of Wireless Protocols like CCS7, SCCP, ISUP, TCAP, and MAP, Sigtran, M3UA, H.248, SIP,SDP.

 

 

Professional Training

·          Award Solution LTE and VoLTE –EPC Signaling

·          IMS network and SIP, DIAMETER protocols.

·          Completed training in GSM and UMTS principle from NSN Academy

 

 

Education             

Bachelor of Technology in Electronics and Telecommunication

 

 

 

Professional Background

 

T-Mobile(Nectra Technologies Inc.): Sr. Network Test Engineer                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            Feb ’14 – Till Present 

 

As a Sr. Network Tester Successfully validated in following major nodes:

•   VOLTE, LTE, IMS, HSS, TAS (IMS), SMSC, IP-SMGW, SCC-AS services.

•   Proficient with various wireless technologies as per 3gpp, IETF and OMA.

•   Hands on experience on VOLTE (MME, ePDG, HSS etc.), IMS (P-CSCF, I-CSCF, S-CSCF, HSS, IPSMGW).

•   Hands on experience on MSC, MME, HSS, HLR, IMS, DNS, IP and systems integrations.

•   Expert level experience on SS7, SIGTRAN, SCTP, TCP/IP, SIP, DIAMETER.

•   Lead Troubleshooting Activities, Analyzing and solving problems.

Responsibilities:

·          Involved in Testing of IMS network entities.

·          Involved in Testing of SIP and Diameter (Cx, Sh, S6a and SWx Interfaces), SIP messages and Troubleshooting of network failures in GSM and IMS domains.

·          Responsible for working with cross-functional teams in IOT testing with I/S-CSCF and IPSMGW servers for simple and robust architecture.

·          Involved in the Design level discussion of New Features. 

·          Test Plan development and test execution in end-to-end lab environment

·          Troubleshoot any identified network related or call flow issues using tools such as Wireshark.

                                                                               

 

Nokia Solutions & Networks: Network Configuration Engineer                                                                                                                                            Jul’11 – Nov’13                                                                                                                                                                                                                         

                            Responsibilities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

·          Maintaining core network elements.

·          Integration, deployment and operations of HLR/MSS /MGW/BSC.

·          Coordinating with IN, VAS, SMSC&IWF team to resolve the issues.

·          Re-homing and dual homing.

·          CDR parameter changes.              

·          Announcement loading and routing in R2 and R4 nodes.

·          PRI and Roaming configurations as per customer agreement.

·          Creating short code routing & testing.

·          Creation of GT as per requirement for the customer.

·          Analysis and Configuration of SIP, BICC and ISUP Protocols.

      

 

 

Ericsson: Switch Engineer                                                                                                       May’10 – Jul’11

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

Responsibilities:

·          Senior Expert in testing VoIP protocols SIP, H.323, MGCP, ISUP, SCCP, TCAP, SIGTRAN, etc.

·          Senior Expert in validating of OSI Model of Signaling Protocols: SS7 (MTP;ISUP;TCAP;INAP/MAP); ISDN, V.5; X.25;ATM; FR; GSM/UMTS (ISUP, MAP,RANAP, RNSAP); SIGTRAN (SS7overIP), VoIP (SIP, H.323, MGCP, MECAGO); GSM/UMTS stack of signaling protocols.

·          Operations Maintenance and Performance of Core Network MSS,HLR & MGW.

·          Timely augmentation of M3UA, A-Ter and POI links.

·          Execute the resolution of on-site faults in the production platforms as per SLA, manage spare parts & necessary tools for corrective maintenance.

·          Routine health checkups of NSS elements and perform preventive maintenance of NSS and Power Nodes. Configuration and Testing of new product implementation .Responsible for the Acceptance Test (AT) of MSC, MGW. Router and Power. MSS and BSC TRC: AXE 810 212, APZ Version 60, Media Gateway Tems Tool, Map Info

             

 

Akrosh Telecom Consultancy: RF Engineer                                                                                                                                                                          Aug’09 – Apr’10

 

Responsibilities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          

·          Performs Drive tests and site migrations using TEMS Investigation analysis of RF drive test data to determine Network problems, poor coverage areas, interference, call drops and Handover problems.

·          Drive test analysis using Post processing Tools using MapInfo.

·          SCFT, Cluster Drive, Network Benchmarking,

·          Hands on Experience in Drive Testing, Optimization, Generating report.

 

Certification: Metro Learning & Development Centre                        

 

·          Professional Certificate Programme in TELECOMMUNICATION (PCPIT)