25049 Owl Creek Drive

Stone Ridge, VA 20105  

(571)-314-4442

baothong.le@gmail.com

 

 

OBJECTIVE

My goal is to join a dynamic team of professionals within the high tech industry. By utilizing my strong technical expertise, combination of over ten years of IT experience and a high level of professionalism, I can contribute to a company’s growth and future success.  I am a motivated, task-oriented individual with integrity and a strong work ethic. I strive to grow both personally and professionally during the course of my career.

 

U.S. Citizen

Current holding Top Secret Clearance SCI (TS/SCI) CI Poly

 

CERTIFICATIONS / PROFESSIONAL TRAINING

·       CCIE Voice - # 35448

·       CCNA, CCNP and CCVP Certified by Cisco Systems

·       ITIL V3 Certified

·       Security + Certified

·       JNCIA and JNCIS Certified by Juniper

·       Cisco Routing/Switching/Firewall training by Cisco.

·       Cisco CCIE Voice training by INE

·       Juniper Routing/Switching/Firewall training by Juniper

 

EXPERIENCE SUMMARY

·       Extremely effective verbal and written communication skill to communicate with all level of associates and management teams

·       Proficient, hands-on experienced and experts in Cisco VoIP solution from Call Manager 4.2/7.x/8.x/9x, Call Manager Express, Unity Express to Unity 7.x, Unity Connection 8.x/9x, Unified Presence 7.x/8.x/9x, Meeting Place 7.x/8.5/8.6, Emergency Response 7.x/8.x, UCCX 7.x/8.x and On-Prime WebEx 1.x

·       Hands-on experienced and experts in Cisco hardware architecture from the MCS 7800 series, the UCS of B/C series, the interconnect 6100/6200 series to the Voice Gateway (VG) 2800, 2900, 3800, VG224, VG202.

·       Expertise in designing, testing and implementing from small, mid, large, complex VoIP networks, supporting and performing live troubleshooting of all Cisco VoIP productions mentioned and VoIP protocols such as MGCP, H323, SIP.

·       Experience and very familiar with Virtualization architecture and hands-on experience with VMWare products such as ESX 2.x, ESXi 4x/5x, Vcenter 4x/5x and the NetApp FAS2200.  Experience with Microsoft Active Directory, Exchange, and Office suite and familiar with Lync server.

·       Experience in Hardware/software installing, upgrading, implementing and supporting from the access layer, the distribution and to the core as well as troubleshooting Juniper products of M7i, M10i, M40e, MX960 using Juno, Cisco products of CIGESM, 3550, 3560, 3750, 3745, 6500, 7600 to ASA-5580, UCS C/B series; Extreme products from 48si, 3804, 5i, 7i, to 6800 using Extremeware.  Experience in Multilink, EtherChannel, Flexlink, Stacking Technologies, and Cisco Intelligent Gigabit Ethernet Switch Modules (CIGESM) integrated in IBM blade server.

PROFESSIONAL EXPERIENCE

 

Solution By Design, Vienna VAOctober 1^st 2013 – Present

VoIP Engineer

·       Serve as a VoIP technical Lead, architecting and deploying the Enterprise VoIP solution for Defense Logistics Agency across CONUS and OCUNUS with approximately 300 remote sites and 35,000 users including (5) Cisco Unified Communication Manger (CUCM) version 8.6 clusters, (5) Cisco Unity Connection 8.6 clusters, (2) separated MeetingPlace conferences 8.5 and Cisco Prime Provision Suite; All UC technologies have been deployed on Cisco UCS servers & VMware ESXi 5.0.

·       All activities include developing a complex enterprise dialplan, a high/low level CUCM designs and a migration plan for migrating all remote sites from legacy TDM systems to enterprise VoIP.   Managing customer’s requirements, analyzing hardware, software, licenses and network readiness then developing strategy for implementation and migration. 

·       Architecting and proposing the Local Session Controller solution connects to DISA VoIP solution using Cisco Session Manager Edition (SME) technology.  In addition, architecting and proposing the Cisco IM Presence, Jabber Collaboration solution with WebEx on Premise design.

·       Server as Tier 3 support for legacy cluster including Call Manager 7.1 and Unity 5.0 with approximately 5000 users at DLA Headquarter; developing a strategy and migrating this legacy cluster to the enterprise VoIP cluster; Troubleshooting and solving problems when they arrive.

·       Work with the government sponsor consulting VoIP UC solutions and work with the vendors to request and provide quotes of the proposed solution to the sponsor.  Leading the VoIP team and provide all the technical advises and being responsible for any VoIP related matters whether successes or failures; managing/assigning the tasks and projects to the VoIP team based on engineer ‘s work load and skill sets; providing a detailed reports and project status to the project manager.

 

Converge Networks Corporation, Bethesda, MDJuly 01^st 2013 –  September 30^th 2013

Network Engineer – UC Collaboration Engineer

·       Member of UC engineer support IRS customer, support a hundred thousand user migrations to a Cisco Unified Communication solution.  Engaging in a collaboration video project, testing IM Presence, Jabber, WebEx as well as cisco TMS (Telepresence Management Suite).

·       Assisting engineering team to provision phones and voice gateways for site migration to the enterprise VoIP system.  Solving the problems when they arrive after the migration such as call routing, CUCI link, voicemail issues , ect .

 

Cisco System, Herndon, VAMarch 2012 – June 30^th 2013

Network Engineer – UC Consultant

·       Member of Cisco Advanced Services (AS) team, consulting Unified Communication (UC) architecture, serve as an architect to plan, manage requirements, analyze, design, test, deploy Cisco VoIP solution version 8.x for an enterprise solution

·       Providing technical expertise and relevant strategy for the new build out mega-cluster UC 8.6 solution.  Designing, testing and implementing the UC solution running on Cisco UCS virtual environment including (19) Unified Communication Managers 8.6, (4) Unity Connections 8.6, (6) Unified Presences 8.6, (2) MeetingPlace 8.5 and (1) MeetingPlace Web.  Also, testing, implementing and supporting WebEx On-Prime version 1.x.

·       Migrated 30,000 phones by utilizing Cisco BAT, hundreds of H323, SIP CUBE gateways and 30000 users from two 7.1.3 clusters  into virtual UC 8.6 mega-cluster seamlessly.  Optimized the mega-cluster system by clean up Partitions, CSSs, Route Patterns, and Media Resources...

·       Integrated Cisco Multipoint Control Unit (MCU) support Video Conference Bridge between video end points of 9900, EX60, EX90, Cisco Telepresence and soft phones (presence/jabber)

·       Troubleshooting complex call routing, video call, H323 and SIP CUBE as well as DTMF and media resource issues.  Assistance customer UCCX migration from physical to virtual server.

·       Developing processes/procedures for implementation and operational support, functional/features test plans, as well as LLD (low level design) document.

·       Supporting variety of other IC customers around Capitol region, proven experience in end-to-end problem determination and troubleshooting system issues such as UCCX 8.5, Unity Connection 8.6, MGCP PSTN gateways and making recommendations to the customers for optimizations.

 

General Dynamics Information Technology, Oakton, VA2004 – March 2012

Principal Engineer – VoIP

·       Member of VoIP engineering team supporting NGA Campus East (NCE) build out by designing, configuring/implementing Cisco VoIP solution including (6) Unified CallManager 7.x, (2) Unity 7.x, (2) Unified Call Center Express (UCCX) 7.x, (2) Meeting Place 7.x, (2) Emergency Response 7x and (2) Unified Presence 7.x clusters; providing installation/configuration documentation for each product.

·       Building out the VoIP MTL lab which is duplicating the production environment and building out the Call Manager Express (CME) cluster with all CME features to simulate the PSTN infrastructure in order to test all VoIP requirements such as testing of the integration of Unity and MS Exchange, the UCCX script to meet NGA requirements, the SIP/SIP SIP/H.323 H.323/H.323 CUBE and redundant (ICT/CUBE) connections to partner agencies; CallManager and its features such as secure/encrypted calls between phones (7965,STE, ViPer); extension mobility, as well as integrating third party video phone (E20) and Nortel IP phone to Cisco CallManager via SIP protocol.

·       Building out the core of CallManager PRI/PSTN connections, the Unity and the UCCX clusters in NCE, utilizing the power of Microsoft Excel and Cisco Bulk Administration Tool to deploy 9,000+ phones for each classification, extension mobility and voicemail; troubleshooting MWI issue, UCCX script and phone registration issues. 

·       Deploying hundreds of secured faxes and ViPer/STE secured phones, loading their crypto keys and troubleshooting secured phones/faxes when issues arrive.  Implementing and troubleshooting hundreds of VG224 gateways to support elevators as well as telecommunication closet analog phones.  Implementing and troubleshooting the VG202 gateways to support AV system in conference rooms.

·       Leading VoSIP project; designing, engineering, and implementing (2) VoSIP CallManager 7.1 clusters with ICT connection to DISA and other special classified cluster.  Designed and Implemented plus (+) dial plan for call back in missed call directory.  Involved in the integration of radio channels to the IP phone via multicast, working with the network engineer to integrate multicast and transcoder appliance.

·       Acting as UCCX engineer to update script to meet NGA call center requirement; implemented single number reach solution to support remote agents; implemented ring-back network MoH so the users will hear the ring tone while connecting to the agent.

·       Pursuing the whole Cisco VoIP suite upgrade to version 8.x, upgraded Meeting Place 7.0 to 8.5 and virtualized the cluster in VMWare; upgraded UCCX 7.x to 8.0.2 then 8.5 to be able to virtualize in VMWare; upgraded CallManager 7.1.3 cluster to 8.5 and virtualized the cluster in VMWare; upgrading and migrating Unity 7.x to Unity Connection 8.5 using COBRAS; upgrading Unified Presence 7.x to 8.5

 

Network Test/Integration Engineer

·       Member of Pentagon Renovation Network (PenRen) Test and Integration Team.

·       Designing, configuring and testing QoS from layer 2 Cisco/Extreme/Nortel to layer 3 Juniper for implementing to the Pentagon architecture network supporting Nortel and Cisco VoIP solution.

·       Involved with the VoSIP project, integrating and testing Cisco CallManager 4.2 work with 7971 phones with multiple clusters trunk configured on a Cisco network platform.

·       Testing the new Cisco IOS and coming up with the baseline configurations for all Cisco devices as well as the new products such as Juniper MX960, PoE transceivers, Cisco 3750E.

·       Testing Cisco equipment includes 6500, 3750E, 3750G switches for Wedge 4 architecture (Layer 2), with MST (Multiple Spanning Tree) VLAN, Trunking, along with EtherChannel and Stacking are implemented; and integrating into the Juniper MPLS backbone.

·       Building the Juniper and Cisco MPLS lab network from the ground up based on the Pentagon network architecture with OSPF, RSVP, MPLS, BGP, and VRRP… protocols configured, and with multiple VRFs, L2 Kompella, and Multicast implemented.

 

Network Engineer

·       Member of PenRen Network Implementation Team, a technical lead and a backup team lead.

·       Building the Juniper, Cisco and Extreme equipments out of the boxes; Upgrading Juno, IOS and Extremeware to the approved code, implementing/configuring the baseline configuration, Spanning-Tree, VLAN, Trunking …then attaching the new devices to the Pentagon backbone.

·       Involved in building a few server farms in the Pentagon including one (BCSR) with (20) 7609s, 6509s, (66)3750s (168) CIGESM using MSTP and PVST+, Ether channel, link state tracking, and IBM blade technology.

·       Peering connection from the stub area M10i to MPLS cloud M40e routers and configuring the gateway (route-points), VRRP for all the user data subnets.

·       Support and troubleshoot connectivity for trouble-call involves with MST, PVST+, VRRP, OSPF and VLAN assignment.  Lead and responsible for Wedge 3 OOB network built out.

 

Sytex, Inc., Pentagon Renovation Program, Arlington, VA1999 - 2004

Network Administrator

·       Member of PenRen IT team, managing a decent size of Extreme local networks and multiple remote sites with Cisco gear, and working interacts with Pentagon Information Technology Agency engineers troubleshooting network connectivity between sites.

·       Involved with the “Alternate site” built out from the data network, the Storage Area Network to the systems.  Network includes a number of 6506s and 6509s, EMC SAN and the servers.

·       Supporting Storage Area Network, administering and maintaining RSA and INFO VPN server and Vsgate client.  Configured and implemented HP / Avocent IP KVM switches along with Integrate Light Out technology network to support the alt-site servers.

·       Maintaining 30+ servers including installing, configuring and troubleshooting connectivity and ensuring all resources available 24/7.  Experience with Automated Availability Manager, BackupExec, SMS, BlackBerry Enterprise Server, VMWare ESX.

 

SMS Data Products, Sterling, VA1997 - 1999

Network Specialist (1998 – 1999)

·       Member of the network implementation team assigned to the Pentagon Renovation and Swing Space effort including installing various aspects of the backbone architecture; implementing most of the Cisco 6500, configuring VLAN, Spanning Tree, upgrading IOS BootRom, image firmware and capturing the configurations for management purposes. 

 

Computer Technician (1997- 1998)

·       Responsible for installing and configuring Windows 95 / Windows Nt4 operating system on desktops and laptops; troubleshooting hardware components such as NICs, modems and printers, also setting up client/server applications and network resource access permissions. 

 

 

COMMENDATIONS / AWARDS

·       Outstanding Performance Award  (Pentagon Renovation Program)

·       Award of Excellence (Pentagon Renovation Program)

·       Group Achievement Award (Dept. of Defense}

·       Certificate of Appreciation (Dept. of Army)

 

EDUCATION

·       Studying Master degree in telecommunication at GMU

·       B.S Degree in Computer Information Systems

·       Minor in Computer Science