SUMMARY

• Test Engineer with 6+ years of experience in full System Development Lifecycle, including Designing, Developing and Implementing test plans, test cases and test processes
• Test planning, Manual testing, Functional testing, Defect Tracking, Regression testing, Test reporting and debugging.
• Highly proficient in planning and executing test cases for Performance, Stability, Sanity and Functional testing.
• Highly skilled in Design and Development of Test Plans & Test Cases.
• Expert understanding of voice protocols such as SIP, H.323, MGCP
• Highly Skilled in Session Initiation Protocol SIP, Voice over IP (VoIP) and Linux
• Proficient in SIP End - to-End call flow tracing with detail analysis and monitoring skills.
• Experienced in troubleshooting End-to-End call flow issues within enterprise environment involving various VOIP elements.
• Well Versed in testing CDR’s for various call scenarios such as Call Transfer attended, & unattended, call forwarding when busy, call forwarding no answer, call forwarding conditional and unconditional.
• Proficient in DOCSIS 1.0, 1.1, and 2.0, DOCSIS 3.0, Packet Cable and CMTS
• Highly proficient in QA strategies, processes and lifecycle.
• Knowledge on Unix/Linux environments, DHCP, DNS and Networking concepts
• Proficient in troubleshooting SIP messages at packet level using different tools like WireShark, MATS, IRIS Session Analyzer
• Experience in VOIP calling features and highly proficient in SIP call flow scenarios.
• Good knowledge on SQL database
• Capable of analyzing IMS SIP logs and troubleshooting SIP issues on IMS Network.
• Analyzing Wire Shark Traces to narrow down Root Cause
• Strong Knowledge on IMS nodes P-CSCF, I-CSCF, S-CSCF, HSS
• Proficient in Microsoft office suites such as MS Outlook, Excel, PowerPoint, Visio, MS Office 97/2000/2003 , 2007/2010.

TECHNICAL SKILLS

• SIP
• SDP
• H.323
• MGCP
• H.248
• H.264
• H.225.0
• H.245
• IP-PBX and VoIP Protocol suites.
• Wireshark
• MATS
• Quality test center
• Shennik(Automation tool)
• Packet analysis tools
• VI Editor
• Application lifecycle Management HP-ALM
• JIRA
• IRIS Session Analyzer
• GoogleAdmin
• Buganizer
• Ads Telephony

PROFESSIONAL EXPERIENCE

Confidential

Test Engineer

Responsibilities:

• Test SIP call features like call-forwarding, Call hold, call transfer, music on hold
• Troubleshoot end to end call flows for one way audio issue, Poor audio quality issue,
• Analyzing SIP message exchange between end points and work back & forth with development team in fixing the defects
• Capturing SIP logs from Confidential Admin tool to identify issues and isolate accordingly
• Analyze SIP messages to identify issues and escalate it to the carriers/aggregators for further investigation.
• Report identified bugs during testing to development team and follow up towards its completion
• Leading & guiding team to ensure proper, proactive & timely analysis of tickets along with SLA adherence.
• Managing team, guiding engineers on carrying out various tasks efficiently.
• Generating reports to identify resource utilization
• Create team’s performance report and share with management.
• Oversee the work done by the engineers and provide feedback if necessary.
• Motivate team on regular basis to enhance their performance and provide training on new tools and technologies.
• Responsible for monitoring alarms and troubleshooting tickets and performing routine health checks against the number blocks
• Identifying and isolating Port-in and Port-out stuck issues.

Confidential, Moorestown NJ

VoIP Test Engineer

Responsibilities:

• Verifying channel gates on CMTS server to meet QOS of audio and video calls
• Verify CMTS sending DOCSIS DSx command to instruct CM in the eMTA to open the gates
• Capture and analyze diameter message exchange between Camiant servers and SBC
• Run audio and video calls in BCV lab setup to capture and analyze SIP message using IRIS Session analyzer
• Execute Regression, Sanity, Functional, performance test cases and update test results on HP-ALM
• Modify call features such as Music on hold, No-Music on hold on Broadsoft Application Server to test different call scenarios.
• Capture and analyze Diameter messages from Camient Server for root case analysis
• Executed Cannel bonding tests in BCV test lab

Confidential, Clearwater FL

SIP Tester

Responsibilities:

• Test and maintain Voice and Video test network,
• Test SIP, H.323 call features, functionality of new product and provide detailed report to supervisor
• Develop test procedures, execute test cases and create test reports.
• Worked collaboratively with IT, Operations, Customer Service and Business teams in prioritizing requirements
• Deployments and analyzing SIP flow using WireShark captured to troubleshoot SIP messages.
• Trained Customer Service and Marketing teams on new features and functions
• Executed Inter-Operability test cases between Confidential and other vendor equipment
• Identify issues, report bugs and track progress, run regression tests to confirm bug fix
• Executed Inter-Operability test cases both in System test and Production Environment
• Work with Development team to isolate issues encountered during tests, provide valuable feedback to enhance call features and functionalities based on test results.

Confidential, Tampa FL

System Test Engineer

Responsibilities:

• Executing Regression test cases and submitting test results
• Worked back and forth with development team to implement changes according to the requirement
• Capture the SIP, UDP and RTP using the Wireshark network Analyzer, and (Application Server)Broadsoft logs
• Tested complex software and web applications
• Worked in Software Quality Assurance team for various product testing.
• 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.
• Guiding Software engineers in test setups and reviewing the test planning documents.
• Configuring customer details on Confidential servers and activating services
• Created new test cases and modified test plans

Confidential, San Jose, CA

WebEx Operations Engineer

Responsibilities:

• On-call support, had been first point of contact for all production issues
• Automation testing of the Bridge builds using Shenick tools
• Configured Shenick tool to run Automation tests for Call-in and Call-out scenarios
• Testing Voice/Video call with Telephony and Cloud Connected Audio.
• Manual testing of all Webex features after a bridge build such as Telephony Call-in, Call-out, mute, unmute, desktop sharing, video sharing, Voice and Video recording.
• Very Good understanding of SIP, SDP and SIP call flows
• Maintaining Cloud infrastructure, Understanding Cisco SIP Proxy Server
• Designing, developing, implementing and maintaining Webex Bridge.
• Worked with internal teams such as Network team, database team, procurement team and storage team.
• Failing over primary bridge to backup bridge for maintenance and failing back backup bridge to primary to resume services on primary bridge and assuring 100% availability.
• Upgraded the servers to newer version using Unix/Linux commands
• Configured Media Server, application server and Created XML files
• Worked with overseas team on daily basis to get hand off of ongoing issues, Incidents and pending tickets.
• Worked with Network Design Team to enhance and secure the Cloud based solution and suggesting changes to enhance Network Design on high level.
• Collecting logs from application server, database server and media server for analysing call flows to troubleshoot the issue.
• Running Shell scripts on different servers to check the performance and collecting logs for analysis.
• Executing SQL commands on Database Servers to collect logs.
• Quick adaptability to new technologies and multiple task handling.Experience implementing test code within a continuous integration and delivery pipeline required.
• Knowledge of Cloud Connected Audio,

Confidential, Chicago IL

Network Administrator

Responsibilities:

• Responsible for Designing, maintaining and troubleshooting all network related issues.
• Identify user needs and assigning limited access, evaluate and modify system’s performance
• Monitor the enterprise network and acknowledge daily incidents.
• Adding new hosts machines to the network both wireless and wired machines via MAC filtering on Routers
• Installing antivirus software on hosts machines, updating windows Operating System, applying new patches and bug fixes
• Designed and deployed network and connected head-office and branch location using a machine functioning as a router thus creating an internetwork
• Connected network to internet and enabled users to exchange office files and folders between head office and branch office.
• Setting up remote desktop sharing between two office locations for training and troubleshooting business operational issues
• Configuring hosts access to all the printers and scanners on the network
• Monitoring the network to ensure security and availability to all the hosts in the network.
• Responsible for organising, gathering and keeping track of entire network inventory