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Tech Leader Resume

San Jose, CA


  • Extensive knowledge on Unified Collaboration and audio/video Conferencing.
  • Well - versed with Confidential ’s solution from endpoints to infrastructure devices.
  • Self-motivated.
  • Years of hands-on experience on tech support and software development.
  • Confidential CUCM, VCS C&E, MRA, Jabber, Spark, CUBE, IM&P, CUC, Acano/CMS
  • WebEx CMR cloud/hybrid, TS/MCU/Conductor, TMS
  • Signaling protocol (SIP/H.323) and video/audio codec (e.g., G.711/G.729/AAC/Opus, SVC/AVC/WebRTC)
  • Audio-Video QOS
  • UC management, Splunk
  • Confidential AnyConnect/MDM, CTI/JTAPI, FOIP, S4B/Lync2013 Interop
  • Java, JavaScript, HTTP, Ajax, REST, SOAP, SQL/JDBC, SNMP, JSSE


Tech Leader

Confidential, San Jose, CA


  • Support and consult Confidential IT CUCM large-scale super-cluster deployment.
  • Capacity planning (video bridge usage, SIP trunk call activity, T1 port usage, license consumption, etc
  • CDR call analysis
  • Worked with PacBell for T1/PRI along with DID block service
  • Support and consult key customer such as AT&T Telepresence
  • Troubleshoot SIP call setup monitor active Telepresence calls with CTI
  • Support and consult key customer Apple UC deployment.
  • Troubleshoot audio/video quality issues.
  • UC SME to centralize dial plan
  • Architect in UC Assurance and Monitoring dev team. Work with cross-functional product marketing, engineering leads to define and implement product features. Various Tech-Talks to transfer of knowledge.
  • Designed and implemented Confidential CallManager cluster real-time performance and fault monitoring tool, framework (RTMT). Multi-tiered Linux application with Web (XML/HTTP) front end, Tomcat/servlet). North bound REST API.
  • Team lead on voice quality troubleshooting tool (iRec) for secured SRTP calls.
  • CiscoView, GUI device management tool


Confidential, Sunnyvale, CA


  • Interactive Voice Response System.
  • Designed and implemented multi-threaded NT IVR application capable of communicating with VoiceTek IVR server, work-flow, playing/recording messages, outgoing/incoming calls. ActiveX/COM server interface to enable VB/Java Scripting.
  • Designed and implemented Browser based Network Management tool.
  • 3-tiered application with NT IIS, MS-SQL server, ActiveX enabled browser. NT Service based engine monitoring VPN network activities with SNMP and RMON, communicates with back-end SQL server via ODBC.
  • IIS uses Active Server Page (ASP) and ISAPI communicates with Web front-end.

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