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Voip Engineer Resume

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SUMMARY:

  • Cisco Certified Network Engineer with 7+ years of experience in the industry, which includes expertise in the areas of Routing, Switching, VOIP and Cisco Unified Communication Products.
  • Experienced with Cisco Unified Communication Portfolio, Cisco Unified Communications Manager (CUCM), Call Manager Express (CUCME), Cisco Unity Connection (CUC), Unified Contact Center Express (UCCX), IM and Presence.
  • Worked extensively in Cisco Voice Gateways 2800, 2900,3800,3900,4300, Cisco Switches 6500, 3550, 2900 and Codecs (G711, G729).
  • Worked on Cisco IP - Phones 7931, 7940, 7941, 7945, 7965, 7975, 8831, 8841, 8941, 9971, 9951and Jabber.
  • Experience with voice protocols like H.323, MGCP, SIP and SRST & SIP Trunks.
  • Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP, IGRP, RIPv1&2, and ability to interpret and resolve complex route table problems and expertise in OSI layer Model TCP/IP.
  • Implementation traffic filters on Cisco routes using Standard, extended Access list.
  • Experience with LAN switching IP Addressing, Sub netting, VLSM and CIDR and adding VLANS, VTP, STP, and RSTP over switch configuration.
  • Configuration of Access Control Lists (ACL), Quality of Service (QoS), VPN, NAT/PAT policies.
  • Cisco Career s including Cisco Certified Network Associate (CCNA R&S), Cisco Certified Network Associate Voice (CCNA VOICE)
  • Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 3400, 2800, 2600, 2500, 1900, 1941, 1921 and 1800 series Routers, Cisco Catalyst 6800, 6807, 6500, 4500, 3750, 2950, 2960 and 3500XL series switches.
  • In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM, DNS, DHCP and ARP, reverse & proxy ARP, Ping Concepts.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP.
  • Experience on Virtual Private Network (VPN) for operating Network and Data Center.
  • Experience with Internet/Intranet Networking Protocols and Services.
  • Excellent qualities such as Teamwork, Negotiation, Analysis and Communication.
  • Experience in communicating with customers and solving complex problems in a timely manner and good sense of teamwork, integrity, aptitude to learn, and ability to put in sustained quality effort consistently.

TECHNICAL SKILLS:

Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600

Cisco L2 & L3 Switches: 2900, 3560, 3750, 4500, 4900, 6500.

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP.

WAN Technologies: Frame Relay, PPP, HDLC, ATM,(E1/T1/E3T3), DS3, OC192.

OS products/Services: DNS, DHCP, Windows (2000/2003/2008, XP), UNIX, LINUX.

Routing Protocols: RIP v1/v2, OSPF, EIGRP, BGP, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Various feature /Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP.

Network Management Tools: Wireshark, Netflow Analyzer Net Scout, Wireshark, SolarWinds, SNMP, Cisco Works, Ethereal, SNMP, Ethereal.

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7), Linux

Software: Cisco Unified Communication Manager CUCM (7.1.5, 8.0.3, 9.1.2, 10.1, 10.5.2), Cisco Unified Communication Manager Express (CME), Cisco Unified Contact Center Express UCCX, Cisco Unified Communication Manager IM & Presence.

Features: SIP Gateways, SIP Trunking, VLAN Trunking, Emergency Responder, ISDN, Scripting in UCCX.

Protocols: H323, SCCP, SIP, MGCP, RTP.

Cisco IPPhones: 79XX, 89XX, 99XX, Cisco CTS andCisco Soft clients, Jabber

Codecs: G711, G729

Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP.

Routing Protocols: OSPF, IGRP, EIGRP, RIP, MPLS, BGP, Multicasting.

Switches: CISCO 2900, 3500, 3750, 3850, 4500, 5000, 6500, 6509,6800,6807, 7509.

Virtualization: VMware.

PROFESSIONAL EXPERIENCE:

Confidential, Texas

VoIP Engineer

Responsibilities:

  • Designed & implemented a new network architecture connecting corporate office and the branch-offices
  • Deploying a multisided IP Telephony Network with Cisco Unified Communications Manager (CUCM 8.62, 10.5.2), Cisco Unified Contact Center (UCCX 8.5, 10.5.2) and Unity Connections (CUC 8.6.2, 10.5.2).
  • Configured and maintained Cisco Call Manager 10.5.2, Unity and related Cisco Unified Communications Configurations
  • Handled SRST, Voice Routing Protocols, QoS and Voice Gateways
  • Managed Cisco’s IP Telephony and Unified Contact Center Express (UCCX).
  • Created and maintained resource based and script based applications for UCCX and Unity scripts for different customers.
  • Designed, planned and deployed UCCX Version 11 for AIG 65765per call center (Telsales) and integrated it with a CUCM 10.5.2.
  • Migrated all the Voicemails and Auto Attendants from Octel system to Unity on Unity Connection Server10.5.
  • Upgraded their present call manager server from 9.1.2 to 10.5.2 and migrated all their licenses Prime License Manager
  • Created an enterprise dial plan with Route partitions, calling search Spaces, Line groups, Route lists and Route patterns in Cisco Call Manager and created VLANs and necessary configuration on Cisco Gateways and implemented PSTN gateways in CUCM.
  • Installed and configured Cisco IP Phone 794x, 796x, 7937’s and IP Communicator
  • Creating dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA
  • Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps
  • Bulk users on Cisco Call Manager using BAT format with Excel database format
  • Work with team of Engineers on companywide upgrades for Call Manager 8.X, IPT Firewalls, and Voice Gateways and configured MGCP gateways.
  • Performed stacking for 3750 switches to accommodate more user ports and created different VLANs for clients, IP phones and the servers.
  • Oversaw and directed network projects to upgrade services, complied with regulations, swapped out equipment, and improved security, up time, and serviceability. Liaised between multiple lines of business and upper management regarding advanced technical issues
  • Resolved network connectivity issues determined root causes and upgraded and replaced equipment and software
  • Worked on configuring multiple CUCM10.5.2, CUC10.5.2, 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
  • support teams on new deployments for day 1 and day 2 support
  • Updating low level design and network implementation documents on design changes
  • Raising issues and future risks on current implementation to the teams involved
  • Assisting team members and other teams in solving technical issues.

Confidential, Bloomington, Illinois

VOIP Engineer

Responsibilities:

  • Worked with a team in the deployment of IP telephony setup for Subscriber site with centralized call processing using CUCM 8.6.2, 9.1.2, CME, CUE, UCCX 8.5 and UC 8.6.2, 9.1.2.
  • Deployed VoIP solutions for various customers, each with distinct requirements including cisco call manager centralized cluster with remote sites running SRST functionality.
  • Troubleshoot IPT voice quality issues between and within locations.
  • Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP.
  • Configured VoIP devices and IP phones such as 7940, 7942, 7960, 7961, 7971G-Ge, 7975G.
  • Implemented call routing, call management and computer telephony integration.
  • Designed, tested and implemented cost effective customized Voice solutions for clients including full and fractional ISDN-T1 circuits.
  • Integrated CUCM and CUC, CUCM and IM & Presence and Jabber, CUCM and UCCX.
  • Demonstrated thorough understanding of Voice Gateways, Protocols (H323, SIP, and MGCP) in providing solutions to customer.
  • Created Subscriber services, skill sets, prompts for UCCX deployment
  • Created Voice Mail boxes, call handlers, create and reset passwords.
  • Server maintenance through VMWare.
  • Monitored action plans for project implementation.
  • Debugged and fixed the problems caused by codec mismatch between vendors in a large network consisting of multiple LANs and WANs environment.
  • Provided on Call support for Cisco routers, switches including Call Manager, Access Control Lists on LAN and WAN, Cisco AAA authentication configuration and support for VPN clients.
  • Provided technical support and customer to users on the network.
  • Provide cisco VoIP services and Support Cisco CCM.

Confidential

Network Engineer

Responsibilities:

  • Provide 24/7 Tier 3 global support for customer’s voice infrastructure
  • Trouble shoot & integrate technical solutions for Cisco Call Manager, version 7.x, 8.x & Unity Voice mail systems
  • Executed several implementations of cisco CME and unity express
  • Monitored and troubleshoot call routing, number translation, pickup groups, and call handler issues
  • Demonstrated thorough understanding of Voice Gateways (H323, MGCP), Protocols (H323, SIP, and MGCP) in providing solutions to customer
  • Onsite Voice lead for multiple global sites converting from a legacy PBX system to a Cisco Unified Communications solution
  • Integrated the cisco unified wireless IP phones (792X series) with cisco unified call manager and cisco unified CME using IEEE 802.11 over a cisco access point
  • Created & maintained the switch documentation for CER sites
  • Implemented Meeting place server 7.0 and integrated with CUCM 8.0 through SIP Trunks
  • Handled SRST, voice routing protocols, QoS and voice gateways
  • Resolve technical incidents on daily with focus on UCCX, and CUCM technologies

Environment: Tier 3 Support, Call Manager 8.x, Site Migration, SRST, Emergency Responder, Switch Documentation, Meeting place, CUCM 8.0, SIP Trunking, UCCX, MS Office, Windows.

Confidential

Network Engineer

Responsibilities:

  • Design and implementation of Cisco Unified Communications Manager, Unity, Emergency Responder and Session Initiation Protocol (SIP) Gateways
  • Planning, design and implementing Cisco VOIP solutions, Managed deployment projects for multiple internal deployments
  • Design, maintain and testing LAN/WAN environments and troubleshooting related problems in the network
  • Provide Tier 3 support for Cisco phones to provide standard telephone functionality: call connection, hold, transfer, Call Park, conferencing and troubleshooting IPT issues
  • Managed IP addressing and implemented IP Access Lists to secure the network.
  • Configured and troubleshoot VLAN, VTP, STP and Trunks
  • Troubleshoot network issues and deliver known solutions to customer
  • Create solution designs based on customer’s call center requirements
  • Install, configure, and troubleshoot Cisco UCCX
  • Managed MAC - Move, Add and Change of various IP phones like (7942, 7962, 7915(24) and 7937)
  • Worked with Cisco Call Manager and Unity Integrations, created Voicemail functionality for newly added users

Environment: CUCM, SIP, H.323, MGCP, VoIP Support, Call Routing, UC-540, CME, CUE, UCCX, MS Office, Windows

Confidential

Network Engineer

Responsibilities:

  • Manage installations, configuration and administration of Cisco equipment in IT architecture of organization.
  • Configure IT LAN/WAN elements and held responsibility of maintaining and monitoring performance of network.
  • Provide Tier1 technical support, assisting users facing network problems. Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures.
  • Network Migration from RIP to OSPF and EIGRP.
  • Network infrastructure support to routing and switching equipment’s.
  • Redistribute routing protocols and Frame-Relay configuration.
  • Design the layout for cable installations.
  • Troubleshoot and resolved dynamic routing, Ethernet switching and host connectivity issues in a window and network environment.
  • Troubleshoot wiring problems and serial communication lines.
  • Develop, plan and maintain documentation necessary for operation in support of LAN to WAN connectivity.
  • Virtualization of network using VMware
  • Worked with CLI of Linux OS hosts.
  • Maintain excellent communication with the IT Manager on all tasks and projects.

Confidential

Network Engineer

Responsibilities:

  • Responsible for resolving network problems and assisting users on the network
  • Responsible for installation, configuration, maintenance & troubleshooting of company network duties included monitoring network performance using various network tools to ensure availability, integrity & confidentiality of application & equipment
  • Performed scans for LAN and WAN connectivity.
  • Updated operating systems security patches
  • Performed BGP, OSPF & EIGRP routing protocol administration
  • Physical cabling, IP addressing, Wide Area Network configurations.
  • Worked on 2600, 3600, 3700, 2800, 7500 series of routers.
  • Worked on 1900, 2900, 3500, series of switches
  • Optimized performance of the WAN network consisting of Cisco 4500/5500 switches by configuring VLANs
  • Setup DHCP, DNS, VPN.
  • Cisco Call Manager, Cisco Contact Center Express, Cisco Unity Connection Administration, Cisco Agent & Cisco Supervisor Setup, Queue Setup, Phone Recording, Cisco Reports
  • Configuring routers and send it to Technical Consultants for new site activations and gave online support at the time of activation

Environment: Network design, Configuration, BGP, OSPF, EIGRP, WAN administration, Cisco Routers and Switches, VLANs, QoS, MS Office, Windows.

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