Gregory Dobrer, Voice Solutions Architect

Specialties: Voice, SIP Trunking, Unified Communications, Cisco Collaboration,

TelePresence, QoS.

SUMMARY

Over 20 years of Telecom Engineering and 15

years of extensive Consulting experience

designing and deploying Voice, Video and Data

Networks for large corporate and government

clients, such as KPMG, BearingPoint, DoDEA,

FDNY, FBR, CapitalOne, Bank of America, JP

Morgan Chase, Moody’s, Freddie Mac, GSA.,

TTB… Extensive experience in designing and

deploying customized Voice, Video and Data

solutions from ground-up.

Relevant Capabilities:

  · Customized SIP-based IP PBX systems

design, deployment / integration.

  · Business-grade SIP Trunking provisioning and

PSTN integration.

  ·

IP Video Conferencing Systems design and

deployment.

  · Cisco Wireless Networks design, deployment,

support.

  ·

IP Telephony – SIP / Analog PBX Integration.

  · Global Telephony Dial Plan and PSTN tollbypass

design and optimization.

  · E.911 Compliance recommendations and

auditing.

  · Voice & Video over Wireless LANs design and

deployment.

  · Corporate Data Centers design / deployment /

optimization.

  · Network Security auditing and compliance

recommendations.

Presales Experience:

  · Conducted meetings with Enterprise clients to

identify their needs in the following areas:

  · Deployment of business-grade SIP-based

PBX systems.

  · Converged networks to support Voice and

Data over Broadband IP connectivity.

  · Network Infrastructure - such as LAN / WAN

capacity planning / redundancy / QoS support.

  ·

Internet connectivity - such as T1, DS3, Metro

Ethernet, VPN, MPLS.

  · PBX and IP PBX Integration / upgrades.

  ·

IP Contact Centers.

  · Wireless LAN (Wi-Fi) and VSAT technologies.

  · Configured equipment and performed live IP

PBX demonstrations.

  · Gathered requirements, conducted capacity

planning, developed proposals to modernize

and deploy various Voice, Video and Data

technologies.

  · Identified proper equipment, compiled BOM’s

and procured required SW and HW

components.

  · Conducted Network Readiness Assessments

with objective to migrate to Converged

Infrastructure.

CERTIFICATIONS AND TRAINING

  · CCIE Voice - written exam passed on April 7,

2008.

  · Smart Business Communication Systems for

Account Managers, January 2008.

  · Smart Business Communication Systems for

Engineers January 2008.

  · SMB Account Manager, January 2008.

  · SMB Engineer, January 2008.

  · CVOICE Cisco Voice over IP, August 2007.

  · Unified Contact Center Express & Unified IP IVR

Deployment, October 2006.

  · Authorized Covad VoIP Network Engineer,

February 2005.

  · Authorized Covad VoIP Certified Technician,

February 2005.

  · Cisco Certified Network Associate, CCNA, May

2000.

EDUCATION

B.S. Electrical Engineering

TECHNICAL SKILLS

  · Extensive experience in provisioning SIP

Termination and Origination services utilizing

CUBE, CME, and CUCM platforms.

  · Specialized experience in provisioning and

supporting Business-grade end-to-end SIP

Trunking solutions beyond Corporate demark

(on Telcos’ side).

  · Experience deploying, customizing and

integrating Unity Voice Messaging System.

  · Experience in designing and deploying

Teleconferencing (Cisco Telepresence)

solutions.

  · Specialized experience with site surveys and

design / deployment of Wireless LANs.

Corporate IP networks: design, testing, deployment,

management, support.

Protocols: TCP/IP, IGRP, EIGRP, OSPF, BGP,

Frame Relay, ATM, MPLS, RSTP, HSRP, AAA,

QoS, CoS, H.261, H.263, H.264, H.323, MGCP,

SIP, SCCP, PCM, CAS, CCS, NFAS, QSIG, SS7,

802.1q, 802.11a/b/g/n, 802.11x (Cisco LEAP and

EAP-FAST), 802.11ac.

Networking devices: CallManager, Voice Gateways,

Wireless LAN Controllers, SBC /CUBE, MCU’s,

Routers, Switches, Firewalls, Intrusion Detection,

VPN devices, DHCP servers, Cisco Wireless,

Videoconferencing (TelePresence & IP/VC 3500),

ASA5500, CiscoWorks and other equipment.

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Gregory Dobrer, Voice Solutions Architect

NOTABLE EXPERIENCE

Voice & Wireless Communication Systems

Solutions Architect

03/05 to Present

 Analyzed customer’s business and technical requirements, actively participated in RFP's

development, researched and validated multi-regional SIP Trunking offerings, conduced

conference calls with Telco vendors (AT&T, TATA, Verizon) with objective to migrate from

TDM to SIP Trunking solution.

 Conducted extensive site surveys, analyzed vendors’ SLAs, and coordinated

support for various Telcos/ISP’s package offerings, such as QoS, SIP Trunking,

MPLS, Encryption, E-911 support, etc.

 Gathered requirements, designed and deployed an End-to-End QoS to support

Voice, Video and critical Data applications utilizing AT&T’s subsidiary (TNet) MPLS

network.

 Managed a project to decommission an outdated Cisco Unified Video Conferencing

(CUVC) and replace it with Cisco TelePresence, based on Cisco Collaboration System 11

framework.

 Researched, developed and deployed a PBX-in-Cloud solution utilizing Asterisk v.11,

Centos v.7 and Google Cloud Computing platforms.

 Developed reference architecture to facilitate POC (Proof of Concept) for a Hybrid

Cloud SIP-based Collaboration infrastructure utilizing Amazon AWS PaaS.

 Designed and deployed a customized SIP-based PBX solution to provide IP Telephony

services to Corporate branch offices over a Broadband Internet connectivity.

 Gathered end-users' requirements in order to deploy a Collaboration system utilizing UCS

C240 Virtualized servers.

 Developed Dial Plan and configured integrated Call Processing, Voicemail and Video

Conferencing capabilities on BE6000/7000 Ver.10.6 and 9.1.

 Gathered requirements and Integrated support for iPhones and Android devices utilizing

Cisco Jabber client application / BE7000 over Wireless (Wi-Fi) connectivity.

 Deployed Paging Server on BE7000H platform to allow point-to-point paging between

dissimilar paging group devices and integration with social media.

 Configured integrated Emergency Responder to dynamically track end-user’s

devices and allow placement of 911 emergency calls to local PSAPs.

 Gathered requirements and integrated BE6000/7000 solution with distributed

Enterprise CUCM v.10.6 and Unity Connection systems.

 Designed, deployed and supported UCCE and UCCX applications for large retail

and financial customers.

 Designed, provisioned and supported Multi-channeled business-grade SIP-Trunking

Telephony solution for a large Enterprise customer.

 Deployed Auto Attendant and Voicemail functionality utilizing CUCM, CME and Unity

Connection Integration.

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Gregory Dobrer, Voice Solutions Architect

 Conducted use-case analysis, created use-case diagrams, etc. in the development and

redesign of a complex Network, Security, VoIP/FAX and other systems and applications.

(Freddie Mac).

 Developed a Reference Architecture documentation to migrate from TDM to multisite UC

system for a large financial institution (Freddie Mac).

 Coordinated design and deployment works within company’s Architecture, Security

and Operations departments (Freddie Mac).

 Gathered technical and business requirements, conducted site surveys, analyzed

network capacity, conducted conferences with Cisco, Verizon and GSA

managerial / engineering staff and developed documentation with objective to

design and validate a nationwide SIP Convergence Project (17,000 users) for

General Services Administration.

 Designed & Integrated Voice / Video and IM applications utilizing Cisco Jabber v.

9.0.x and 10.x.

 Researched, designed and deployed CUBE and SBC SP appliances to facilitate

Centralized SIP Trunking connectivity between Telco and large (10,000 users)

Retail Customer.

 Analyzed business and technical requirements developed Visio diagrams, BOM’s,

SOW’s and other documentation to facilitate multiple sites migration from TDM to

SIP-based solution.

 Researched relevant technology and developed a Proposal to provide Mobile Voice

Communications over WLAN and VSAT networks for MSHA.

 Conducted Site Surveys, analyzed bandwidth requirements, designed / deployed a

Wireless Network comprised of 2700/3700 Series AP’s and 5760 WLC.

 Led a project to migrate IP Telephony sites between CUCM v.4.3 and CUCM v.8.5

clusters.

 Performed several upgrades from CUCM v.7x to CUCM v.9.x & 10.x.

 Designed and deployed Enterprise Attendant Console CUEAC v.8.x utilizing UCS

B200 Server.

 Designed and implemented SIP-based PBX for Enterprise and SMB corporations.

 Upgraded IPT Cluster from CallManager v.4.x to CUCM v. 7.x / 8.x

 Designed and deployed VoIP Mobile Network utilizing Cisco CME v.4 to support

Voice & Video functionality over Wireless LANs.

 Configured Inter-cluster / SIP Trunks, Gateways and Gatekeepers to support

multiple IPT sites deployment utilizing CUCM v.8.x.

 Led a project to design and deploy Inbound IP Contact Center Enterprise (IPCCE)

to support 500 agents.

 Deployed Cisco Emergency Responder (CER) connecting to local PSAP to comply

with E.911 regulations.

 Gathered requirements and designed IPCC Express (IPCCX) solution intergraded

with CUCM v.7.5.

 Designed and deployed Unity Voice Messaging system.

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Gregory Dobrer, Voice Solutions Architect

Consulting Assignment at FDNY

 Led a project to migrate NYC Fire Department’s (FDNY) Emergency Response

Applications.

 Performed Network Readiness Assessment to facilitate Intra-Enterprise TelePresence

deployment.

 Led a project to design and deploy Campus QoS to support TelePresence CTS3000

functionality.

 Performed Network Path Assessments (NPA) for TelePresence deployment.

 Tested QoS and Network performance utilizing LANforge Traffic Generators.

 Led QoS design project to prioritize critical FDNY applications.

 Designed and implemented Firewall-based security utilizing Cisco FWSM and Catalyst

6513 platform.

 Configured VLANs, HSRP, RSTP, Trunks, QoS on Catalyst 6513 switches.

 Configured, upgraded and supported Cisco 7206 routers.

 Upgraded signatures and deployed IPS 4250SX Sensors along with laptop-based

monitoring applications.

Consulting Assignment at CapitalOne

 Developed a complex Dial Plan to support 8000 users and to converge from 4-digit to 7digit

dialing.

 Customized CallManager 4.2(2) to allow differential call flow, based on Date and Time

schedule.

 Implemented CallManager Extension Mobility to support roaming users.

 Installed OS Environment and upgraded CallManager applications.

Consulting Assignment at FBR

 Audited Network Security and performed upgrades in order to comply with the SarbanesOxley

Act.

 Designed and deployed a fully redundant IPT network to support multiple sites, populated

with 4000 IP Phones utilizing CallManager 4.3 (2), running on Windows 2003 server

platform.

 Configured IP Phones, Voice and Data VLANs, access and trunk ports, utilizing 6509 /

3560 Switches and Cisco 2820 ISR routers.

 Designed and integrated Teleworker VPN solution to allow remote IP Phones connectivity.

 Coordinated DR deployment utilizing ISDN media and secure (VPN-based) network

equipment.

 Analyzed bandwidth and applications requirements to deploy QoS, utilizing MPLS over

AT&T backbone, supporting Voice, Video and Data applications.

 Researched and deployed CiscoWorks LMS 2.2 utilizing Windows 2000 Server platform.

 Intergraded IPC Turrets with Cisco CallManager and IOS Gateways.

Enterprise

Consulting Engineer

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Gregory Dobrer, Voice Solutions Architect

07/03 to 03/05

 Worked as an Independent Consultant providing Telecom design, deployment and support

services to Enterprise Clients.

 Prepared Visio diagrams, developed IP addressing structure, researched and

recommended appropriate switching and routing equipment for procurement.

 Conducted site surveys and deployed Secure Wireless networks (802.11a/b/g) for Sibley

Hospital.

 Deployed LEAP and EAP-FAST (802.11x - compliant) security.

 Designed and implemented Def-Serve QoS to support Interactive Multimedia applications.

 Upgraded and deployed Cisco IDS 4215 appliances, integrated with Cisco Event Viewer

application.

 Designed and deployed a fully redundant network for a large medical facility.

 Deployed and upgraded Cisco PIX 520 Firewalls and 3000 Series VPN Concentrators.

 Configured and upgraded 2900/3500/4500/6500 Series Switches and 7200 Series Routers.

BearingPoint

Senior Consultant/Network Engineer

12/00 to 07/03

 Supported complex BearingPoint infrastructure by maintaining highly available Networks

and providing Clients with secure access to remote sites and co-located servers in 24x7

Production environments.

 Led several projects, involving design and commissioning of corporate networks utilizing

secure VLANs/Gigabit Ethernet/Fast Ethernet and Cisco WLAN (802.11b) technology.

 Led a project to design and deploy Cisco IP/VC 3500 Video Conferencing solution.

 Led a project to separate KPMG / BearingPoint Data Centers and PBX facilities due to

Corporate restructuring procedures.

 Oversaw a small group of engineers to design and deploy various network-related solutions

for BearingPoint infrastructure, and also for Clients.

 Deployed and administrated Cisco CallManager 3.X to support IP Telephony in corporate

environments.

 Coordinated and implemented a complex ISDN backup Network, utilizing Cisco IP Sec.

Routers, dynamically connected over Internet to VPN Concentrators.

 Responsible for NJT (New Jersey Transit) network project to design and commission a

multi-point VPN Network.

 Deployed, managed, and supported various Cisco equipment, including PIX 520 firewalls,

Cisco IDS/ IPS 4250, Cisco 6500, 5500, 3500, 2900 Series switches; 7200, 3600 and 2600

Series Routers, IP-Telephony, Cisco Wireless and Cisco IP/VC (videoconferencing)

devices.

 Served as an escalation engineer to troubleshoot and resolve various connectivity issues.

CAIS Internet

Network Engineer III

02/95 to 07/00

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Gregory Dobrer, Voice Solutions Architect

 Served as Network Escalation Engineer (Tear 3) in ISP 24x7 Environment, resolved

network-related issues in the following areas:

 T3, T1, ISDN, Frame Relay, ATM, Dial-Up connections, Wireless LAN, DHCP.

 RIP, IGRP, EIGRP, OSPF and BGP routing protocols.

 Cisco 12000GSR, 7500, 3600, 2600 Series routers and 2900 Series Switches.

 Configured and managed Routing and Switching equipment.

 Configured and managed firewalls and maintained NAT mappings.

 Managed IP addressing space and implemented IP Access Lists.

 Resolved IP routing issues and recommended resolutions to customers.

 Isolated and resolved network-related issues w/ Telco vendors.

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