CT Chou ac427p@r.postjobfree.com 408-***-****, Cupertino CA

Skill Summary:

Well-versed with Unified Communication solution, end-to-end architecture from infrastructure devices to endpoints. Extensive knowledge on Cisco audio, video and conferencing.

Self-motivated. Years of hands-on experiences on design, configure, manage, troubleshoot UC deployment

Knowledge:

CUCM, VCS C&E, Expressway C&E, Acano/CMS

IM&P, CER, SME, ILS, CUC, UCCX, CUBE

Jabber, Spark, MRA client, MS Lync/S4B interop with VCS gateway

WebEx CMR cloud/hybrid, TS/MCU/Conductor, TMS PE/XE, TCS

Telepresence endpoint – DX, EX, SX, MX, IX, CTS, Spark Room

Signaling protocol (SIP/H.323) and video/audio codec (G.711/G.729/AAC/Opus/SVC/AVC/WebRTC)

Audio/Video QOS (DSCP, Queuing, Call Admission Cntrol)

Webcasting Streaming with TCS-VBrick (eCDN/Content Management/HLS)

UC management, CTI/JTAPI, SNMP, Solarwinds

DNS, AD, Exchange, SSO, Cisco WLAN Controller, ASA Firewall, EIGRP

Java, JavaScript, HTTP, Ajax, REST, SOAP, SQL/JDBC, JSSE

Experience:

Contractor at Lam Research supporting Cisco Telepresence world-wide deployment (Sept 2017 – present)

Sr. Tech Lead, Cisco Systems Inc, San Jose CA (Mar 98 – June 2017)

Work with cross-functional teams to design and develop assurance/capacity planning tools that help Cisco customers managing its UC deployment.

Consult Cisco IT CUCM large-scale super-cluster deployment.

Capacity planning (video bridge usage, SIP trunk call activity, DSP, T1 channel usage, license consumption, etc.

CDR call analysis

Worked with PacBell for T1/PRI along with DID block service

Support VP and Director telepresence conference

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 BoA.

Troubleshoot audio/video quality issues.

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 dev team, marketing to transfer of knowledge.

Designed and implemented Cisco CallManager cluster-wide 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 tool to decrypt secured SRTP calls.

Education:

MS Computer Science – Boston University, Boston, Massachusetts

Reference:

CCIE-Collaboration

One of the reviewers on Cisco Press Book “Troubleshooting IP Telephony”

U.S. Citizen

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