SUMMARY

• Over 8+ years of experience in Cisco and Nortel VOIP equipment and VoIP related technologies
• Experience in design, installing, configuring, and troubleshooting global networks utilizing multi - vendor routers and switches.
• Over Expertise in deployment of switches, routers, CUCM 9.1.2,8.6.2,7.1.3, Cisco unity connection 9.1.2,8.6.2,7.1.3, UCCX, Video communication server(Controller & Expressway), TMS, CTS-MAN, MCU 4505. MSE8050, 8710 and Conductor.
• Experience with H.323, MGCP, SIP Gateways, SRST & VOIP Trunks.
• Extensive knowledge in developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
• Strong understanding and troubleshooting of PSTN issues.
• Strong understanding of Network technologies such as protocol, routing, QOS.
• Experience with communicating with customers and solving complex problems in a timely manner.
• Strong interpersonal, communication and team building skills.
• Backed by an excellent educational background.
• Good sense of teamwork, integrity, aptitude to learn, and ability to put in sustained quality effort consistently

TECHNICAL SKILLS

Networking: Ethernet/Fast Ethernet/Gigabit Ethernet networks; VLAN, VTP, STP, LAN, TCP/IP, NAT, DNS, 802.11, T.38 fax protocol, MGCP, H.323, SCCP, and SIP

Hardware: Cisco Gateways, Gatekeepers, CME, CUE, CUCM 4.x, Cisco routers and Cisco Catalyst switches; Cisco IOS 11.x, 12.x, Unity, CUCM, Unity Connection, Cisco firewalls.

Solutions: Cisco Unified Communications Manager 9.x 8.x, 7.x, 6.x, Call Manager Express, Cisco unity connection 9.1.2,8.6.2,7.1.3, UCCX, Video communication server(Controller & Expressway), TMS, CTS-MAN, MCU 4505. MSE8050, 8710 and conductor

PROFESSIONAL EXPERIENCE

Confidential, TX

Sr. Voice Engineer

Responsibilities:

• Administering and managing a Cisco Unified Communications Manager 9.x, 8.x Cluster with several hundreds of handsets with multiple remote locations across the US and LATAM.
• Troubleshooting large video and voice networks on a daily basis, where protocols such as H323, SIP.
• Designing and implementing a highly advanced contact center (UCCX) script with features such as remote opening and closing, redirect to VM, DTMF capturing and advanced multiple queues.
• Troubleshooting and resolving level 3 Voice over IP telecom tickets.
• Troubleshooting video calls through VCS-Expressway with other business units.
• Providing training to Helpdesk team to manage, identify problems and resolve level 1 and 2 telecom trouble tickets related to the current Cisco Call manager and Cisco unity connection infrastructure.
• Administering and Managing Unity Connection 8.6.2, Cisco unified Meeting place and WebEx platforms
• Worked on moving immersive and non-immersive endpoints from CUCM 8.6.2 to CUCM 9.1.2
• Worked on installing IM & Presence and configuring Jabber for windows
• Working on migration from CTS-MAN to TMS.
• Gathering requirements from the call center team and creating UCCX scripts and testing
• Worked on configuring Wireless LAN controller 5508,2504 for new sites, and maintenance of all 18 sites
• Worked on Cisco unified meeting place upgrade
• Respond to all video conference trouble tickets by providing resolution
• Worked on configuring Jabber video for Telepresence for end users
• Maintenance and troubleshooting VCS-C, VCS-E and TMS.
• Assist with configuration, deployment and operation of video conferencing infrastructure
• Manage UCCX 8.x Call Queues
• Working with local Telco to working on T1 turn up for the site

Confidential, TX

Sr. Voice Engineer

Responsibilities:

• Configuring test and production environment.
• Worked on CUCM, UCCE, Unity, VG224, Voice gateways tickets.
• Troubleshooting level 3 issues and assisting Level 1 and 2 teams.
• Worked building test environment for UCCE 8.5.
• Involved in opening and managing change requests for production changes.
• Worked on Video communications server and VCS expressway.
• Worked on configuring CUBE for both test and production environments
• Created technical design document to bring Cisco Unity connection in our test environment
• Updating the technical documents according the change requests.
• Worked with team on call rotation to handle tickets.Worked on VG224 upgrades.

Confidential, IL

Technical Analyst-network

Responsibilities:

• Designing and implementing production environments.
• Configuring test and production environments.
• Working with Cisco on designing the High level architecture.
• Creating design documents, Low level design and Network implementation plan documents.
• Worked on configuring after hours voicemail system for 18000 agency offices with Cisco unity connection.
• Leading the project to research on Microsoft unified messaging with Cisco unified communications manager and Cisco unity connection.
• Leading the project from Cisco unity connection server’s side which has 25 new clusters to build in 2011-12.
• Involved in building 7 CUCM production clusters with 2 TFTP, 2 MOH and 5 subscribers each in different geographical location.
• Configuration of QOS on voice gateways and switches.
• Worked on configuring multiple CUCMs8.5, CUCs8.5, gateways and switches in test labs.
• Worked on opening and managing change requests for production changes.
• Troubleshooting Level 3 issues and assisting level 1 and level 2 support teams.
• Training support teams on new deployments for day 1 and day 2 support.
• Worked on designing Auto attendant feature for agency sites.
• Updating low level design and network implementation documents on design changes.
• Raising issues and future risks on current implementation to the teams involved.
• Assisting test teams in creating and executing test cases.
• Assisting team members and other teams in solving technical issues.

Confidential, Rowlett, TX

Voice engineer

Responsibilities:

• Deployment, management, Upgrading and troubleshooting of CUCM 7.0, 6.0, Call Manager 4.x series with clusters, IPCC Express, Unity and UC520, UC540.
• Move, add, changes of the current existing system for their clients.
• Configuration of Qos, SRST(Survivable remote site redundancy)
• Configuring and adding, moving, removing of various IP phones like (7942, 7962, 7915(24) and 7937).
• Configuration of Call Manager Express (CME) on 2800 and 3800 series Routers
• Troubleshooting site issues.
• Installation, Management and Monitoring of Call Manager cluster
• Configuration and troubleshooting LAN/WAN
• Configuring and troubleshooting BGP, EIGRP, VPN, ACL, and NAT.
• Working with Local Telco's to bring up PRI's and POT's lines to each site.
• Configuration of Conferencing resources and transcoder resources
• Working remotely to turn-up the sites
• Configuring PIX, ASA, APs.
• Configuration of Voice Interfaces like FXS, FXO, ISDN T1/E1 PRI, T1/E1 CAS
• Configuring the sites for SIP trunks.
• Monitoring traffic by IPSLA through Solar winds.

Confidential, Irving, TX

Cisco VoIP Engineer

Responsibilities:

• Installation and maintenance of Cisco unified communications manager 6.0 with one publisher and four subscribers at different locations for ING.
• Move, add, changes of the devices.
• Installation and Maintenance of the Cisco Unity Connection 7.0, IPCC Express and Meeting place express.
• Maintenance of the LAN switches.
• Configuration of SRST(Survivable remote site redundancy)
• Configuring and adding, moving, removing of various IP phones like (7941, 7961, and 7971).
• Installation configuration and deployment of ACD agents and reports
• Gathering the information and suggesting the type of voice gateways according to the requirement at the site (2800 series, 3825, 3845...).
• Configuration of call signaling protocols on Voice Gateways SIP, H.323, MGCP.
• Configuring QOS for VOIP including congestion management tools, congestion avoidance tools.
• Working with remote offices to implement their new VoIP phones, Unity Voice Mail, Voice Gateways
• Working with Local Telco's to bring up PRI's and POT's lines to each site.

Confidential

Live Communication Server

Responsibilities:

• Integration of OCS(Office communicator server) with Nortel IP phone and NGSS(Next Generation Session Server)
• Testing capabilities of the Voice gateways.
• Coding new features using C++ language, JSP, SQL files, Java.
• Bug fixing.
• Testing the new features
• Solved many CRs (Change Request) on the voice gateway issues and met all the deadlines according to the SLA norms.
• Integrating and using of the two servers from NGSS.
• Giving updates to the client, discussing the new features and explaining the changes did by the team for the new features.
• Testing all the developed features before going to PV testing.
• Structured SQL queries for verification/validation testing & client problem analysis/investigations.

Confidential

Project Engineer

Responsibilities:

• Developing test plan and test cases to cover feature and product functionality deliverable to customers
• Providing test summary report and level of effort input to management.
• Performing periodic regression and product testing to ensure software quality.
• Creating CR/SRs to address software bugs, generating code changes with design.
• Retesting CR/SRs on a daily basis to assure proper fix/change was made.
• Resolving the lab issues and makes the test bed setup.
• Raising the CRs and providing all the details of the issues
• Reproducing the scenarios if logs are needed for the CRs
• Conduct training for the team on new testing plans

Confidential

Project Engineer

Skills: PBX Switches, Call pilot, Switch, Planning, Administration, Consulting& Operations, ISDN, PRI, TCP/IP, Voice over IP, Basic, Networking Products, Routing and Switching

Responsibilities:

• Providing technical assistance to enterprise clients worldwide on Nortel Ethernet Routing Switches by remotely logging in their Enterprise Networks or reproducing the network in the lab & resolving the issue
• Managing Customer’s Network setup, network setup, network connectivity, hardware troubleshooting, research and design functions, Directed network migrations, reconfigurations, integrations and troubleshooting processes to resolve system slow-down issues.
• Worked on Meridian products PBX Switches, Call pilot.
• Hand escalations made to Nortel by partners all over the world. I supported the APAC + EMEA region on products like the Nortel CSE1000/Meridian1, SCCS/Contact Center issues, etc.
• Gained knowledge in all the cards of the switches.Configured many switches.