Project Manager

MR.SIVAKUMAR SAMUTHIRAM

Email ID: ********@*****.***

Contact Number: 1-214-***-****

Status:H1B

EXPERIENCE SUMMARY

20+ years of total experience as a Software verification and validation in the Telecom Domain.

Test Management, Transition of Projects, Defect Management.

Testing of IMS – 3GPP

Installation, Integration and Testing of IMS Network Element - CSCF

Protocols SIP and Diameter

Interfaces Gm,ISC, Cx, Rx, Sh Interfaces

Testing of CDMA soft Switch - IOS41 and IS41

Testing of Class4 legacy and VOIP based ( MEGACO,MGCP and SIP) soft switch.

Testing of SS7 ( MTP2, MTP3, ISUP ), ISDN and MF R2

Testing of IPCC – Internet Protocol Contact Centre.

Experience in Software Maintenance, Bug tracking and resolving procedures.

Process awareness like ISO 9000

WORK HISTORY

Duration

Organization

Role

Feb 1996- till date

Tech Mahindra

Technical- Lead

Aug 1994-Aug1995

HTL Limited

Apprentice Trainee

Key Skills & Attributes:

Experienced and qualified Senior Technical Lead with in-depth knowledge and understanding of the full testing life cycle and Quality Assurance practices.

Industrial experience in various Telecom domain like IMS-3GPP, IPCC, Class 4 Switch, Soft Switch, Transmission and Wireless

Automated testing experience with various proprietary tools like WATT, TM and MTAS.

Good experience in Mercury Quality Centre for management of Testing

Experience of and involvement in ISO9000 procedures and audits.

Highly sincere, motivated, hardworking and flexible.

Adherence to strict deadlines with good quality

Good team man and encourages the team members to excel

Excellent communication skills and fast decision maker.

TECHNICAL SKILLS

Test planning and preparation.

Test design specification and creation.

Test script creation and execution.

Preparation of MOPS

Technical testing of Feature, sanity, regression and performance.

IMS – 3GPP, SIP and DIAMTER.

Interfaces Gm,ISC, Cx, Rx, Sh

Technical experience on Installation, Integration and Testing of IMS Network Element– CSCF.

EMS/NMS.

Configuration Audit

Technical experience of protocols like MEGACO and MGCP..

Test Management tools like Mercury Quality Centre.

Testing tool experience with Proprietary tools Like IPSL, WATT, TM and MTAS

Testing Equipment experience with Kappanga, SAGE, AMERITECH, INET,MGTS, Digital Light wave, ST112 Transmission Analyzer and PF45 DS3/DS1 analyzer

Technical experience of various Telecom protocols like SS7 (MTP, ISUP, SCCP, TCAP), Inband –DTMF, MF, R2, ISDN, CDMA Wireless protocol IOS41 and IS41.

Technical experience on IPCC – Genesys and Avaya

CAREER

IMS- June 2011 to Till Date

Installation, Integration, Configuration and Testing of IMS Network

In this Project my responsibilities were

This project is being executed at client place – Nokia

Preparation of Installation, Upgradation and Network Integration MOPS for deployment of Solaris, ATCA and HP based CSCF for Verizon VoLTE Network.

Preparation of Acceptance Test Procedure covering Health checks, System Configuration and Call Flows

Preparation of MOPS for CR related to VoLTE

Call Flow Testing in the Lab using Nokia Proprietary Tool IPSL and Kappanga

Worked on Gm,ISC, Cx, Rx, Sh Interfaces

Validation of MOPS in the lab before deployment.

Review of MOPS prepared by peers

Perform Installation, Upgradation, Integration and Configuration based on MOPS for deployment of CSCF in Verizon VoLTE Network.

Perform Configuration and Monitoring of Alarms of CSCF from Element Management System NetAct/Adcom

Configuration Audit of the CSCF to ensure system was correctly configured before deployment to production.

Support for End-End Testing of VoLTE

Analyze the Alarms and perform appropriate corrective actions.

Analyze the call flows using wireshark and internal trace to trouble shoot the call failures

Single point of contact for Defect Tickets for Network Integration of CSCF

Interface with R&D for resolution of problems.

Reporting to Management on Project status, progress and escalations.

Interoperability Testing of IMS Network Element CSCF with Comverse – Voice Mail Server.

Providing the Lab Support for the NSN Customer Verizon which had LTE and eHRPD Networks integrated to IMS Network

Attend the conference call with customer, understand the problem, analyze the problem by taking Message Trace and Internal Trace and provide solution if there are any issues.

Avaya CCT - October 2010 to May 2010

Leading the Team in E2E Testing of Avaya Contact Centre with Applications like IVR, Auto Dialer, Call Back Manager, Voice Logger, Soft Phone and Multimedia.

In this Project my responsibilities were

This project was executed at client place – Etisalat DB Telecom Service provider

Manage E2E Testing of Avaya Contact Centre with Applications like IVR, Auto Dialer, Call Back Manager, Voice Logger, Soft Phone and Multimedia

Review of UAT Scripts.

Preparation of UAT Plan and its prerequisites.

Co-ordinate between AGC – Avaya CCT Team, Tech M and Etisalat in UAT Execution.

UAT reporting to management and Sign off for execution from Customer

Defect Management – Raising, Assigning, Tracking, Monitoring, Meeting and Closing.

Conduct review meeting with Tech M, Vendor – AGC and Customer on progress on project.

Gather the training requirements from the Customer, guide the vendors for preparation, review the Training documents and co-ordinate in Training of Customers.

Co-ordinate with Customer and Vendor for documentation of all the applications of project.

IPCC November 2007 to Sep 2010

IPCC – Internet Protocol Contact Centre integrating different network constituents like Genesys Switch, Nortel Cs2k and Verint.

In this Project my responsibilities were

This project was executed at client place -BT

Prepared Test scripts for different IPCC Agency in Mercury Quality Centre from Requirement and functional Specification.

Executed System Test and qualified the load for UAT with Customers.

Executed UAT with Customers and signed off for deployment to Live.

Performed Pre-live test and qualified the IPCC Agency to Go-live.

Executed RFC – Request for Change – before deployment to Live.

Performed Peer Reviews

Involved in complete life cycle of the product from Requirement, scripting, Testing, UAT, Pre-live Test and RFC

CWM July 2007 to N0vember 2007

CWM – Cisco Wan Manager is an Element and Network management product for the Cisco MGX Family, Cisco BPX family and Cisco IGX family of multiservice switches and Cisco MGX 8880 Media Gateway

In this Project my responsibilities were

Lead 6 member team in Testing.

Trained team members in ATM, Frame Relay, EMS and NMS.

Conducted internal trainings to enhance the domain and subject knowledge of team members.

Interacted with customers related to transition of Project

Signaling Gateway – Tx8600 - September 2006 to June 2007 (10 Months )

The Tx8600 is converged Media Gateway which is feature rich system that economically scales from few dozen IP,ATM and TDM ports to over 58000.It is multifabric, multiservice platform provides operators with single platform whose bearer facility, switching and signaling capabilities enable complete interoperability between next generation and legacy networks.

In this Project my responsibilities were

Technical Lead for a team of 5 members

Trained the team members on SS7 – MTP2 and MTP3

Performed requirement analysis and sought clarification from the customer.

Guided Team members in preparing Test Plan for features like MTP2 LSL, MTP2 HSL, MTP3 LSL and MTP3 HSL for CHINA specifications

Guided Team members in preparing scripts in equipment INET for the MTP2 and MTP3 features for CHINA specifications.

Trained the team members on usage and scripting on INET equipment.

Reviewed the Test Plan of above features and MTP3 broadband feature

Reviewed the INET scripts for the above features.

Guided and gave technical inputs to the team members in execution of above features at customer Place.

MSSC Soft Switch – CDMA - - October 2004 – August 2006 ( 22 Months )

MSSC Soft Switch is Wireless Soft switch with CDMA Technology. MGCP Protocol was used between MSSC and Media Gateway.

In this Project my responsibilities were

Lead 3 member team in Testing

Product testing of IOS41 and IS41 messages.

Guided the team members in execution of the below activities for each release.

Tested Basic 150 test cases like Mobile to Mobile, Mobile to Land, Land to Mobile, SMS Origination, SMS Termination, Handoff, Authentication, Intersystem paging, Winprepaid, CALEA Three Way call, Call Transfer, Conference call, Roamed in and Roamed out for each release.

Verified CDR (Call Details Record) and statistics for above calls.

Tested the Basic GUI and TL1

Created and Deleted the Network entities through TL1 and GUI like MSC, PSTN, BSC, HLR and SCP.

Tested the system in various configurations.

Voice path test

Tested Integrated HLR feature.

Performance test at BHCA of 480K involving Mobile to Mobile, Mobile to Land and Land to Mobile.

Multi protocol Soft switch - . October 2003 – September 2004 (12 Months)

This is soft switch works both as a CLASS 5 & CLASS 4 to offload both voice and signaling traffic from the legacy switches onto to the IP network while still providing the near toll quality of legacy switches. For this it interacts with mediation devices called Media gateways using various protocols such as Megaco, MGCP, and SIP

In this Project my responsibilities were

Lead 3 member team in Testing

Prepared Test design documents to test VOIP protocols ( MEGACO,MGCP)

Prepared system design specification for Broadvox Class 4 – T.38 and DTMF relay on RTP using RFC 2833 payload format.

Guided the team members in preparing scripts.

Raised problem reports and interact with development teams to resolve problem reports identified in the software during the testing cycle.

Class 4 Soft Switch - July 2002 to September 2003 (15 Months)

The WCOM MM is a Class 4 Soft switch for US market which was initial step towards building the integration of traditional circuit switched network and next generation packet based network.

In this Project my responsibilities were

Lead 7 member team in testing

Test environment was setup in Bangalore

Prepared System Test design specification for the feature ISDN Call Control through SIGTRAN protocol (IUA).

Guided team members in preparing the System test Procedure Specification and automated test scripts for ISDN features

Guided and monitored the team members in execution of the above feature.

Review and Inspection of Design Document, Raise problem reports and assist development in problem simulation, analysis and bug fix testing.

Assisted and monitored the team members in Executing Regression for all the features of legacy switch with Media Gateway.

Digital Cross connect - July 2001 to June 2002 (12 Months)

Digital Cross-Connect System (DCS) is member of the Alcatel Synchronous Optical Network (SONET) based cross-connect family. The system is a wideband cross-connect with maximum-equipped size of 2688 full-Duplex equivalent DS3 ports.

In this Project my responsibilities were

Design Lead for team of 7 members

Studied Digital Cross-connect and imparted training to team members.

Conducted internal trainings for topics like T1, T3, SONET, Alcatool and TCL/TK programming to enhance the knowledge of team members.

Executed various procedures like Cross connections, Rolling, Broadcasting, Facility alarms, equipment alarms, loading of new software and taking backup of database.

Class 4 Soft Switch- July 2000 to June 2001 (12 Months)

The Megahub MM is a Class 4 Soft switch for US market which was initial step towards building the integration of traditional circuit switched network and next generation packet based network.

In this Project my responsibilities were

Worked as Design Lead a team of 4 members.

Prepared System Test design specification for maintenance part.

Guided Team members in preparation of System Test Procedure specification and test scripts

Originated and Terminated calls using WATT equipment

Test Manager tool to receive MEGACO and MGCP message from MGC and to send the message from MG to MGC

Lead a team to Customer site to Perform Inter-Operability between MGC with MG

Performed Load test using MGTS equipment at 96000 Calls/Hr to demonstrate call handling capacity for MGC

Class 4 Switch- May 1998 to June 2000 ( 26 Months )

CLDC-MEGAHUB 600E is a Class 4 Switch which was intended for long distance network in US with T1 signaling

In this Project my responsibilities were

Worked as Design Lead for team of 3 members for the following features CALEA server Access Function Interface and IPI Enhancements for TNS parameter and circuit code in 508-40.10 release.

Worked as Senior Software Tester for Feature IPI Call in Progress retrieval in 508-40.00, Feature Intelligent Peripheral Interface (IPI) Enhancements in release 508-39.00, Feature Narrow Band data services in 508-38.00 and Feature Terminating Partition Expansion in 508-38.00.

For the above all features involved in Preparation of System Test Design specification.

Guided team members in preparation of System Test Procedure Specification and automation of Test scripts.

Assisted the team members in Execution of above features.

Review and Inspection of Design Document, Raise problem reports and assist development in problem simulation, analysis and bug fix testing.

Class 4 Switch- Jan 1998 to April 1998 2001 ( 4 Months )

DEX 600E is a Class 4 Switch which was intended for long distance network in US with T1 signaling

In this Project my responsibilities were

Tested Local Number Portability Feature ( LNP )

Part of the Team deputed to client site for Testing in their Lab

The LNP was tested using INET in TCAP tester mode.

Load test of LNP calls were performed with Equipment MGTS generating SS7 bulk calls to BHCA of 3 Lakh calls

Class 4 Switch- Feb 1996 to December 1997 ( 23 Months )

GT 600 is Class 4 switch intended for long distance network in countries around the world with E1 Signalling

In this Project my responsibilities were

Tested of R2,DTMF,DP using Ameritech and SAGE and C7 Signaling Protocol using INET

Tested of Advanced Call processing features like Flexible Dial Plan.( Modifying US standard dial plan 10 digit dialing to 15 digit Flexible dial Plan ),

Tested of Features like Meter pulse billing, R2-C7 interworking for Indonesia.

Performed capacity Testing using INET for SS7 calls and Ameritech for Inband calls DTMF and R2.

HTL Limited - August 1994 to July 1995 ( 12 Months )

Graduate Apprentice Trainee

HTL Limited manufactured Telecom switches Like RAX 256, SBM 512 and SBM 1000 of CDOT Technology

In this Project my responsibilities were

Tested CDOT technology based switch like RAX 256, SBM 512, and SBM 1000.

Tested the features like Meter pulse, Local and STD calls.

Tested the voice path in Line cards

Tested the performance of the system and Transmission parameters.

TRAINING

Introduction to Cloud Computing

VoLTE Overview

GSM(2G) to 3G/LTE Evolution

IMS IP Multimedia

Training on Telecom Technology areas like Digital Switching, ISDN, SS7 and MF Signaling

EDUCATION & QUALIFICATIONS

DEGREE:

BE – Electronics and Instrumentation

Annamalai University, Chidambaram, India

1989-

1993

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