OBJECTIVE:

Cisco VoIP Unified Communications and Collaboration Engineer, Network Engineer

SUMMARY:

Over 20 years of extensive knowledge and hands - on experience in architecture/design, implementation, administration, and support of LAN/WAN network infrastructures with multiplatform systems integration; Data/Voice/FoIP/VoIP Convergence networks, Cisco Unified Communications and Unified Collaboration, Cisco Telepresence applications, Cisco WLC, Cisco ISE servers, Cisco ACI/APIC. Expert in Cisco Routing and Switching technologies on Cisco Nexus and Catalyst switches with strong Cisco hardware and software experience including Cisco UCS server’s virtualization, Voice gateway routes, Cisco CUBEs, Meraki Security Appliances, Fortinet, SD-WAN, AWS and Azure networking solution.

TECHNICAL SKILLS:

Operating Systems: All Microsoft Windows platforms, DOS, Novell NetWare 3.x/4.x/5.x/6, SCO UNIX, Linux, Cisco IOS/CatOS/IOS-XE/NX-OS, VMware ESXi 4.X/5.X/6

Protocols & Services: TCP, UDP, IP, IPX, SPX, NWLink, PPTP, RIP, OSPF, IGRP, EIGRP, BGP4, PIM, CDP, QoS, CoS, DSCP, SCCP, MGCP, SIP, H.323, H.261, SRST, HSRP, GLBP, ARP, SNMP, ICMP, SMTP, 802.11 a/b/g, 802.3af; HDLC, DNS, DHCP, RAS, VPN, PPP, IPSEC, TACACS+, RADIUS, AAA and etc

Connectivity: Cisco routers, Cisco Nexus and Catalyst switches, multiplexers, firewalls Cisco PIX/ASA, FireboxII-Watch Guard, SonicWall, Juniper, Check Point, PaloAlto; Frame relay, ISDN BRI/PRI, T1, T3, E1, CUBE/SIP Trunking

Telecom Systems: COMDIAL - DXP Plus Digital Communication System; Lucent Technologies - DEFINITY Enterprise Communication server

Voice/Video Systems: Cisco Unified Communications Manager v.4.x-11.5.x, Cisco TelePresence, Expressway C & E v.8.5-8.9, UCCX, Cisco Call Manager Express, UCCE, Cisco Unified Mobility, Meeting Place Express, Attendant Console v.11.x, Cisco Unified Unity System, Cisco Unity Express, Cisco Unity Connections 2.X-11.5.X, AVST CallXpress voice mail system, Cisco TelePresence CTS 3000/1100/1000/500

Software & Tools: SolarWinds, Meraki Portal, CiscoWorks LMS, CiscoWorks ITEM, WhatsUP Gold, Cisco Unified Video Advantage, Microsoft Office Suite, Novell GroupWise, SPSS, Symantec Antivirus and Ghost; Ontrack EasyRecovery Professional

PROFESSIONAL EXPERIENCE:

Confidential, Coral Gables, FL

Sr. Network Engineer/Unified Collaboration Engineer

Responsibilities:

• Worked as a senior network engineer on the administration, operation and support of network infrastructure running on Cisco routers, Nexus 3000/5000/7000 series switches, Cisco Meraki security appliances/switches, FortiGate NGFW/Fortinet switches, Cisco Wireless Controllers, Infoblox DHCP servers, Cisco ACI solution/APIC controllers, load balancer, Azure and AWS network cloud support.
• Security applications: Cisco ISE servers, FortiNAC, Palo Alto, Cisco ASA, Firepower Management Console, AlgoSec, LogRhythm.
• VoIP: CUCM v.11.5, Cisco Unity Connection, Cisco IM and Presence, Cisco PLM, Cisco UCCX, Telepresence Expressway C and E servers, Voice Gateways, Cisco CUBE/SIP Trunking.
• Network Management: SolarWinds, Meraki Portal, FortiManager for network monitoring and diagnosis. Troubleshooting network performance problems and outages.
• Worked on architecture and design of Data Center migration. Worked on design, implementation, configuration, networks integrations, and circuit turn up for new acquisitions, office move, and network migration to different technologies such as Cisco DMVPM, Cisco Meraki, Fortinet.

Confidential, New York, NY

Sr. Unified Collaboration Consultant Engineer

Responsibilities:

• Worked as a Sr. Unified Collaboration Consultant Engineer to perform the design, migration, upgrade, and support of the Cisco Unified Collaboration infrastructure in NA/LATAM/EMEA/ APAC regions.
• Migration of the Cisco UC applications to the new Cisco UCS virtual infrastructure and upgrade CUCM 10.5, IMP 10.5, Unity Connection 10.5, Emergency Responder10.5, PLM 10.5 to version 11.5.1. Firmware upgrade and networking configuration on Cisco UCS servers.
• Migration from PSTN T1/E1 PRI to ITSP SBC SIP Trunking.
• FoIP solution-Migration to T.38 fax relay. Migration of the dial plan to +E.164 dialing. Telepresence Expressway C and E MRA solution.

Confidential, Mount Laurel, NJ

Sr. Voice Engineer-Unified Collaboration

Responsibilities:

• Worked as a Sr. Unified Collaboration Consultant Engineer to perform the design, implementation and support of the Cisco VoIP/Unified Collaboration applications such as CUCM v.11.5, CUC v.11.5, IM & Presence v.11.5, Attendant Console v.11.5, Telepresence Expressway C & E servers v. 8.9, Voice Gateway 4300/4400 series routers.

Confidential, Raritan, NJ

Senior IT Consultant Engineer

Responsibilities:

• Worked as part of the Architecture, Design and Development of Standards Team as a Unified Collaboration Consultant Engineer.
• Performed analysis of configuration solutions on the Enterprise UC infrastructure (CUCM SME, CUCM Leafs, CUC clusters) in NA/LATAM/EMEA/APAC regions.
• Worked on upgrade solutions to CUCM/CUC v. 11.5.
• Integrated CUCM clusters with Interactive Intelligence CCaaS (Contact Center-as-a-Service) on the CIC (Customer Interaction Center) platform.

Sr. Applications Engineer-Unified Collaboration

Responsibilities:

• Worked as a Sr. Unified Collaboration Consultant Engineer to perform the design, implementation and support for Cisco VoIP/Unified
• Collaborations and Networking solutions in US and EMEA/APAC regions.
• Performed the installation, configuration, administration, and troubleshooting on Cisco equipment and applications such as Cisco UCS C and E series servers/VMware ESXi OS 4.X/5.X/6.X, Cisco CUBE, SIP/H323/MGCP technologies on ISR G1/G 2 2800/2900/3900/4300 series routers, Cisco CME/CUE on 2900 series routers, CUCM 8.x-11.0.x, Unity Connection 8.x-11.0.x, Attendant Console v.10-11.x, Unified Presence 8.x., CUCM IM & Presence 9.x-11.x, Cisco Emergency Responder, Cisco Paging Server/InformaCast, Cisco TelePresence Expressway C & E SIP Proxy servers; Video end devices DX80, DX650, MX800; Integration the CUCM/CUBE/VG with UCCX /UCCE infrastructure with Voice Recording systems such as Calabrio, Verba, MediaSence servers.
• Worked on the migration projects from legacy PBXs and Cisco MCS servers to the Virtual infrastructure on Cisco UCS servers. Migration/upgrade of the Cisco legacy applications CUCM/Unity 4.x-9.x to CUCM/CUC 11.5.

Confidential, New York, NY

Sr. Solutions Engineer

Responsibilities:

• Worked as a Sr. Consultant Engineer and performed Architect/Design/Documentation, implementation, and support for Cisco VoIP and Networking solutions.
• Performed installation, configuration, administration, and troubleshooting on Cisco equipment such as Cisco UCS C-series servers/VMware ESXi 4.0, Cisco CUBE/SIP Trunking on Voice Gateway 2900 series routers, CUCME8.x, CUCM 8.x, Unity Connection 8.x, and Unified Presence 8.x.

Confidential, New Britain, CT

Senior Consultant Voice Engineer

Responsibilities:

• Worked as a Project Manager in large Enterprise network infrastructure and performed Architect/Design and Implementation for Cisco VoIP solutions.
• Performed configuration, implementation, administration, and troubleshooting on Cisco VoIP and Telecommunication equipment such as Cisco CUBE/SIP Trunking and Voice Gateway 2900/2800 series routers, CME/H323/SRST, CUCM 6.x/7.x, UCCE (PRG-Central Controller, Agent/IP IVR Controller, HDS/AW/WebAdmin Server), Unity, CER 7.1, Microsoft UM / Geomant MWI 2007.
• Worked to deploy and configure Cisco TelePresence CTS 3000/1100/1000/500 , CTS-Manager, CTMS, CUCM in US and EMEA/APAC regions. Worked on the general QoS and IP Multicast projects on Cisco routers, and Cisco Nexus/Catalyst switches.

Confidential, Parsippany, NJ

Senior Convergence Engineer

Responsibilities:

• Worked as a Convergence consulting engineer to provide implementation and support for a complex VoIP multisite deployment.
• Configured and performed troubleshooting CUCM 7.1.x, Unity 7.x, UCCX 7.x, Cisco SCCP and H323 Voice Gateway routes including SRST, Voicemail failover, T1s, and FXO/FXS ports.
• Upgrade of Cisco UCM from 5.1.3 to 7.1.3.
• Installed and configured CUCME 8.0, CUE 7.1.4 systems.

Confidential, New York, NY

Senior Network /Convergence Engineer

Responsibilities:

• Worked as a Network/Convergence engineer on the projects for Confidential network and for the clients to design, implement, and support network infrastructures with the AD on Windows 2003 domains, Microsoft Exchange 2003/2007 cluster servers.
• Cisco IP Telephony infrastructure: Installed, configured and supported Cisco Unified Communications Manager 7.x, 6.x, 5.x, 4.x, IPCC, Cisco Customer Response Solutions, UCCX, Call Manager Express and Unity Express on Cisco 2851 routes, Cisco UC5200, Cisco Unified Unity, Unity Connection, Cisco Unified Presence, Cisco Meeting Place Express, Cisco Mobility Express servers; Cisco voice gateway routers 2600, 2800, 3800 series.
• Networking: Cisco core, distribution and access switches(Catalyst 4500, 6000, 6500, 3750, 3560) and Nexus swtches; Cisco PIX and ASA 55XX series security devices. Designed and implemented Wireless networks with Cisco Wireless LAN Controllers, and Access Points.
• Worked on a migration project from Novell 4.x/5.x NDS eDirectory structure to Microsoft Windows 2003 Active Directory structure; Migration from Juniper, Check Point to Cisco ASA firewall.
• Assessed Data/Voice networks for VoIP planning and developing convergence strategy, diagrams.
• Analyzed new and existing data and VoIP networks. Provided network diagram for data and VoIP equipment connectivity and future goals for voice and data.
• Developed IP schemes for voice, data, firewall security, VoIP endpoints DHCP and TFTP plan, network-wide speed and duplex plan; layer 2 segmentation (VLANs), prioritization (COS Queuing) plans, layer 3 prioritizations (DSCP Queuing), WAN bandwidth and technology plan, VoIP compression strategy. Generated summary documentation.
• Configured Cisco ACS, Microsoft IAS servers for RADIUS/TACACS+ services

Confidential, Edison, NJ

Senior Network Engineer

Responsibilities:

• Administered and maintained LAN/WAN infrastructure with Novell NetWare 4.x/5.x servers.
• Performed planning and implemented migration plan from Novell structure to Microsoft AD structure
• Performed installation, configuration, and maintenance of Microsoft Windows domains, Cisco routers, Catalyst switches, Cisco firewalls

Confidential, New York, NY

Network Administrator

Responsibilities:

• Administered and maintained LAN/WAN environment based on Novell NetWare 4.x/5.x/6, Microsoft Windows 98/NT/2000/XP, SUSE Linux, Unix SCO platforms
• Performed installation, configuration, maintenance and technical support of the network equipment, such as Cisco routers, switches, Cisco PIX Firewall, FireBoxII - Watch Guard, SonicWall, multiplexers (CSU/DSU and Micom-Marathon); HP NetServer Servers, PCs and printers
• Administered the user/group accounts, granted permissions
• Performed day-to-day administration and maintenance of telephony systems (COMDIAL - DXP Plus and Lucent Technologies - DEFINITY ECS Systems) using the VMMI and SAT terminals
• Administered backup on Seagate, Veritas BackupExec and Microlite BackupEDGE applications, with the CYBERNETICS, HP SureStore DAT 24x6 backup devices
• Analyzed, troubleshoot and resolved the network, computer related problems on-site and remotely
• Analyzed and enhanced network performance and security
• Worked on various projects as an electrician while study to become a network engineer.
• Planned, installed and repaired all types of electrical and electronic services, conduits, wiring, intercom, fire alarm systems, and networking cabling services for City Departments, offices, schools, buildings and parks