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Microsoft Lync, Voip Engineer Resume

Fort Worth, TX


  • Around 9.5 Years of Experience in Support Lync 2010/2013, Confidential /UX, and Audio Codes support with Confidential and Telecom Protocol Testing with Confidential SBC GW’s including lab deployment for Microsoft Unified Communication servers (OCS, Lync and Exchange Unified Messaging) for Microsoft and Telecom Testing under Mobile application.
  • L2 and L3 support for Lyn client, Server issues and Exchange Voice Mail support, provision and de - provision users with help of automated scripts.
  • L2 and L3 support and configuration support for VoIP gateways and SBA’s includes SONUS VX, UX and Audio Codes.
  • Deployment for OCS 2007 R2, Lync 2010 and Lync 2013 servers and configuring IM, Presence, Audio/Video Web-Conference, Enterprise Voice, Response groups, Persistent Chat, Federation using Edge Servers and call parking, QoS etc..
  • Integration and configuring SIP gateways with the help of SIP trunking to OCS 2007 R2, Lync 2010 and Lync 2013 servers and configuring dial plans, normalization rules for Lyn 2010 and 2013 servers for Enterprise Voice.
  • Patching Lync servers with cumulative updates and verification for Lync server’s window’s security patching and cumulative updates.
  • Monitoring Lyn production environment and react for SCOM alerts if any execute the action points without impacting production users.
  • Debugging issues with TMG reverse proxy server and load balancer for incoming requests for web services and Lync external requests.
  • Debugging issues with RBAC groups and users msRTCsip attributes on Active Directory systems.
  • Generating s and installing on gateways for integration with Lync 2010/Lync 2013 servers and OCS 2007 R2 extended gateway.
  • Integrating Unified messaging with Exchange 2010/2013 with the OCSexchangeutil and exchange servers’ administration tool for dial plans and auto attendant policies.
  • Provisioning and de-provisioning unified messaging for voice mail for Lync and Voice Mail users using Exchange 2010/2013/O365.
  • Migrating hosted voice mail users to O365 UM with the help of power shell scripts.
  • Providing L2 and L3 support for Lync hard phones including Polycom CX600, VVX 310 and CX700 and verification of software upgrades on Polycom Lync phones.
  • Periodic backing up of configurations for VoIP gateways and Lync configuration’s on need basis to ensure restoring the configuration if there any loss of configuration when crashes on system or VoIP gateways.
  • Stress and Load testing VoIP gateways for BHCA values with help of automated SIPp scripts and Abacas Tools.
  • Debugging SIP or ISDN issues with VoIP gateways and communicate with vendor to resolve issues with firmware or hardware.
  • Upgrade and downgrade firmware on SONUS VX, UX, Audio Codes, SBA and verification of these gateways during downtime and ensure no issues once the new firmware moved to production.
  • Played key role as Test lead on SBC s for Lync with the help of LITT, OITT tools and detailed test suite.
  • Managing user’s attributes and RBAC’s with Active Directory.
  • Providing on SIP protocol, SIPp, Lync servers to project teams and team members.
  • Mentoring new members in the team for test designs, lab deployments and SIP protocol and tools like Abacus, PSTN simulator and gateway configuration.
  • Analyzing new requirements and wring test plan and test scenarios for new features like MWI, MLPP, AS-SIP etc…
  • Analyzing customer defects for the root cause and analyze for escape and update test cases or test scenarios and test scripts.
  • Ability to comprehend requirements into Test original Requirements to design for test scenarios, test case and test scripts and preparing test plan.
  • Good knowledge in Test analysis and Design methods like TAD methodology which provides a complete process for deriving test scenarios.
  • Ability to handle multiple tasks individually as well as in a team and well execute and track till closure.
  • Possess good analytical and programming skills for designing test scripts for automation suite and execute the same for each build.
  • Good understanding of Software Development Life Cycle like waterfall model, SDLC, Spiral model, incremental and V- Model.
  • Good understanding on Agile Development
  • Strong Interpersonal, communication and project management skills, for test setup in lab, test scenarios and test execution for SDV and regression tests.
  • Flexible and Adaptable to any kind of situation and able to work for long duration.
  • Played Metric Coordinator & CMO (Internal to Project) role to maintain project metrics and documents and analyzing trends for metrics.
  • Good knowledge on the analysis tools Gompertz, Rayleigh and Four Quadrant for defect analysis and providing trends for defects to estimate the test completeness.
  • Good understanding on the ODC Orthogonal Defect Analysis for defect Age, Activity, Trigger, Impact, source and type and analyzing them for root cause and prevention.
  • Test Case Management using GT3K during Test Execution, Test plan for managing different cycle of test execution.
  • Good understanding on setting up of Continuous Integration Server (ICP-CI) for project build management and automated sanity test suite.


Hardware: Confidential 900XX, 1200 and 1800, UX 1000 SBC, SBA and Audio Codes Mediantnt 1000, 2000, Tenor FXS, Abacus, PSTN simulator, Polycom VVX 310, CX600, CX700, Confidential Mobile Handsets.

Products worked: Unified Communication servers OCS 2007R2, Lync 2010/2013, Unified Messaging Exchange 2010/2013/ O365 and Mobile handset applications SMS, MMS and Phonebook, IP Phones. Active Directory, DNS, CA server, F5 Load Balancer and TMG Reverse Proxy.

Protocol: SIP, H323, BSP, ISDN, RTP, SRTP, MLPP and GSM.

GUI/SQL Tools: My SQL, SQL Server.

Programming Languages: TCL, Unix Shell Scripting, java, HTML, XML, C and C++.

Operating System: Linux/Unix, Windows.

Tools: SIPp, SIP soft phones, LITT, OITT, wire shark, notepad++, File-Zilla, VX-Connect, telnet, Lync Management shell (Lync power shell) etc


Confidential, Fort Worth, TX

Microsoft Lync, VoIP Engineer


  • Providing L2 and L3 support for Lync production servers, clients and SBC/ SBA gateways.
  • Supporting UX 1000 SBA/ SBC, VX-1800, Audio Codes. Support includes debugging network traces, syslog traces, configuration, upgrade / downgrade.
  • Validation of all windows patches after testing in test environment.
  • Validation of Lync 2010 cumulative updates after testing in test environment.
  • Managing BNSF users based on Role based access for Lync with provisioning and de-provisioning Lync management shell scripts.
  • Identifying and resolving Lync issues.
  • Providing effective solution for the Lync 2010 issues both on server as well as client side.
  • Debugging issues with event viewer, Monitoring reports and Lync 2010 logs and analyzing with snooper.
  • Responding to SCOM alerts and resolve the issues on time.
  • Integrating GW's with Lync and routing configuration for PSTN users.
  • Deploying and maintaining NET SBC's different sites.
  • Resolving the issues with Unified messaging (Voice Mail) for Lync 2010 server.
  • Resolving issues with edge server federation and Lync mobile users.
  • Configuring Polycom CX600 phones and resolving any login issues with CX600.
  • Configuring common area phones on Lync 2010.

Environment: Lync Production, O365 Voice Mail, Confidential, UX, Audio Codes, NEC PBX, Polycom Lyn phone system, Polycom room conferencing system.

Confidential, Fremont, CA

Microsoft Lync consultant, VoIP GW Engineer


  • Requirement analysis and test plan creation - creation of test cases and designing the test bed topology.
  • Product Validation lab deployment for Microsoft Unified communication . Lab setup and maintenance which includes setting AD/DNS, CA server, Exchange 2010/2013, OCS 2007 R2, Lync 2010/2013, creating dial plans, policies, IP telephony products and integrating UC domain with gateway for enterprise UC solutions.
  • Regression and sanity testing.
  • Use TCL for call processing test case automation and Auto Hot for GUI automation.
  • Filing bugs found in Defect tracking tools like JIRA.
  • Test plan review for both automation and manual test cases.
  • Use Abacus for performance tests to certify BHCA and path confirmation tests like 3-tone, PSQM /PSQM+ and PESQ.
  • Hardware installation and maintenance, upgrading and downgrade firmware.
  • Debugging issues and mentoring new resources.
  • Creating and maintaining Build Verification, sanity, regression and feature test plans.
  • Automate the test setup to reduce manual effort.

Environment: NET VX, UX gateways, Active Directory, DNS, CA server, Lync 2010, Lync 2013, OCS 2007 R2, Abacus test tool, Tenor gateway, SIP / H323 Soft phones, PSTN simulator, Windows RT.


Software Quality Analyst


  • Involved in Implementation of TAD, MST and SDV testing.
  • Handled UI, Functionality, Non Functionality and Regression Testing for FOTA Client.
  • Involved from deriving Test requirements to Test Case Design.
  • Conformation Testing on Mformation Server.

Environment: M229-CDMA mobile, FOTA client server, BSC, Brew, C.


Software Quality Analyst


  • Involved in Implementation of TAD, MST and SDV testing.
  • Handled UI, Functionality, Non Functionality and Regression Testing for Phonebook and Roldx Modules.
  • Involved from deriving Test requirements to Test Case Design.
  • Customer Support from .
  • Agile Development followed.

Environment: Android Confidential, BSC, JavaTITLE: UTPS V2R1 ( )


Software Quality Analyst


  • Involved in Implementation of Test Design, MST and SDV testing.
  • Handled UI, Functionality, Non Functionality and Regression Testing for SMS, Call History and Phonebook Modules.
  • Involved from deriving Test requirements to Test Case Design.
  • Automation using the Squish Tool.

Environment: UTPS1.0, QT, C++, BSC.

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