Ø      6+ years of  Experience in Telecom Voice – QA Testing (Functional / Regression)& Implementation

Ø      Currently Working for At&t as Test Engineer

Ø      Expertise with SIP/IMS /VOIP Technologies

Ø      Expertise in SIP Protocol – Call Flow Analysis and Trouble shooting

Ø      Implementation and Testing IP Multimedia Subsystem(IMS)

Ø      Excellent VOIP Technology & Telecom Domain skills

Ø      Working in IMS portion of At&t QA.

Ø      Working on Quality Test Lab environment architecture and testing

Ø      IMS core consists of ALU, Tekelec network elements.

Ø      Worked on USP, SDM/HSS, SDM/DRA SDS 1360 COM  for  CVOIP

Ø      Hand on USP ENUM  Tool 

Ø      Hand on Automation and manual test case

Ø      Automation –(Tmats)

Ø      Daily work on call flow U-vers , and Volte , Cvoip

Ø      Motivated, disciplined and dependable

 

 

Perusing

CCNA VOICE

 

 

Technology/Protocols/Systems	Telecom, VoIP,  IP Multimedia Subsystems (IMS), FTP/SFTP, SIP and SDP, RTP, TCP/UDP OSPF, BGP, SS7, DHCP, DNS, VoIP Protocol suites. TCP/IP, FTP, TFTP, SNMP, DHCP, DNS
IT Industrial/Testing Processes	Test process – test planning, manual testing, defect tracking, test reporting, debugging, Vendor management
OS/ Platform	Linux, Window Wireshark, Empirix Hammer, Debuggers,)
Hardware	CMTS (Arris, Cisco,) Cable Modem & PBX, Comcast Xfinity. eMTAs, Packet analysis tools, VMware, VoIP gateways & Simulators, HP Quality Centre
Software/Tools	HP ALM formerly HP QC, Wireshark, Empirix Hammer, IRIS, Soft phones, v2go, Putty.

 

 

 

 

 

 

 

 

Degree: B.E, (Bachelor of Engineering in Information Technology) India/hyd

M.S (Master of Science in Information Technology) USA/ WI

Current Resident Status: Holding US Visa (H1B) valid till Sep/16/2017

 

Company Name	Position Type	Duration
American alliance	System Analysis	June-2009 till  Oct-2011
Data Aix sys	Network Engineer	Nov- 2011 till May 2014
VENSAI Technologies	VoIP Test Engineer	March-2014 till present

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

At&t, Warenvill ,IL                       June-2015 till date

VOIP – Test Engineer

 

Projects worked

1.         At&t to Comcast

2.         USP Service Environment for

Cvoip & Volte AMG

Pegcount service

911 Emergence

 

Side work on

ISC Growth FVT     SO_OA 

ISC Growth FVT     CH – CL

ISC Growth FVT     KA_SN

ISC Growth FVT     WY_WA

 

 

Roles and Responsibility

 

·               call flows in IMS

·               Manual provision test numbers on the Alcatel Lucent USP platform

·               SDM/HSS provisioning for Test Lines

·               SDM/DRA provisioning

·               Work on 1360 COM

·               Services for Cvoip lines and Volte

 

Daily Work

 

Work on Assign Assignments like call flow Automation and manual which includes all the Network Elements

P-CSCF, S-CSCF, I-CSCP, BGCF and UGC , SBC, MGCF

Calls flow include

1.                     Volte to Volte

2.                     Volte to Cvoip

3.                     Volte to PSTN

4.                     Cvoip to CLIMS

5.                     VICE VERSA

·   Design and facilitate test plans and test cases based on business requirements and functional specifications.

·   Requirements Analysis, Test Case development, and System testing of VoIP components to identify compliance, performance, and stability issues

·   Troubleshoot end to end call flow issues in enterprise market involving various VoIP elements.

·   Troubleshoot call flow issues throughout the network flow from on-net to off-net calls.

·   Message flood Testing , Network Availability testing

·   The lifecycle approach to testing and monitoring .

·   Tested on Emergency calling services END  to END

·   Troubleshoot call flow issues throughout the network flow from on-net to off-net calls.

·   Performing all aspects of software verification including functional, regression, integration and unit testing.

·   Physical lab maintenance including installing equipment

·   Capture the SIP, UDP and RTP using the , IRIS Session Analyzer

·   Document, troubleshoot and isolate problems encountered during testing

·   Substantial understanding of networking technologies including TCP/IP, DHCP, TFTP, VLAN, VoIP, SCCP, MGCP, H.323

·   Strong knowledge of SIP, TCP/IP Networking, PSTN, DHCP, VPN, LAN and WAN technologies.

·   Expertise in SIP Protocol – Call Flow Analysis and Trouble shooting

·   Experience in Configuring ,managing and testing the IMS Network elements like ( HSS, CSCF, BGCF, )

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Comcast, NJ August ‘2014 –April-2015

VOIP-Test Engineer,

              Projects worked

1.                     Mod (Billing Migration)    (Network Testing)

2.                     Huawei  Certification    (End to End Testing )

3.                     1-15-1 -  ( End to End Testing  )

4.                     working on Text to 911 (End to End Testing )

 

•         Troubleshoot end to end call flow issues in enterprise market involving various VoIP elements.

•         Testing and validation for Huawei certifications and patches

•         Tested on Emergency calling services END  to END

•         Tested on Mod End to End

•         Troubleshoot call flow issues throughout the network flow from on-net to off-net calls.

•         Developing test cases based on business requirements in ALM

•         Requirements and Test Plan modules

•         Testing End to End for Text to 911

•         Testing End to End for all components of Comcast base on the Team request.

•         Executing test cases on OMU – Huawei

•         Executing voice services test cases

•         Designing, implementing, and maintaining voice services validation test bed

•         Provision Voice lines for the Arris , RCA Thomson, Technicolor, Cisco

•         Capture the SIP, UDP and RTP using the , Empirix-Hammer and IRIS Session Analyzer

•         Performing all aspects of software verification including functional, regression, integration and unit testing.

•         Document, troubleshoot and isolate problems encountered during testing.

•         Physical lab maintenance including installing equipment, running and patching cables, etc.

•         Defined test strategy, created test plans and managed resource assignment to ensure project               

Success

•         Managed defects using tools such as ALM, HP Quality Center and JIRA

•         Performed full End-End, Integration and Regression Testing on eMTAs and eDVAs in the NCS and IMS environments

•         Provisioned voice subscribers and performed voice testing on IMS Ericsson and Huawei cores, and Cisco BTS and Safari Cedar Point Call Management Systems (CMS)

•         Project Description: Part of Pre-Certification testing on eMTA devices for Comcast Voice and Data

•         Currently working on Text to 911 End to End Testing,

•         Writing Test case using TRD & BRD Doc..

 

 

 

 

 

 

HP Dallas Taxes                                               Nov -2011 till May -2014

Network Engineer/ L1

Remote

 

 

Roles and Responsibility

·      Monitor the enterprise network.

·      If we find any alerts we will simply update to next level L2.

·      Acknowledge the daily incidents.

·      If we interested to work on the issue, we can work and provide correct resolutions

·      Coordinating for first level issues with providers like link down and all

·      Work on the incidents like...IP address allocate, port enabling / disabling, vlan assign to particular port, permission grant to any subnet or single IP and etc.,

·      Time to time coordinate with onsite team to troubleshoot end users issues and for any physical help.

·      Preparing reports like link utilization, weekly reports and etc.,

·      Proper coordination with cisco TAC for any issues.

·      Health checks especially in network like.....clearing cache, observing cpu utilization, routing table and traffic utilization on important links.

 

 

 Prince Telecom/ Wisconsin   April ‘2008 – Till May ‘2009
1 year Internship + CPT                                          June ’2009 – Till Oct ‘2011

               Enablence USA FTTx Networks provides fiber-to-the-home (FTTH) systems that  

               Deliver triple Play services over fiber optic lines.

 

               Roles and Responsibilities:

 

•         Working in Software Quality Assurance team member for various Enablence products testing.

•         Guiding Software engineers in test setups and reviewing the test planning documents prepared.

•         Client interaction for weekly status update on technical discussion and project activities update.

•         Testing SIP call features on different variants of ONTs.

•         Test cases planning and designing for triple play services testing like DHCP, SIP, DHCP, MFF, EAPS, Link-aggregation, etc