Glenn D. Liggins

**** ******** **, *********** ** 20120 404-***-****, adxbdg@r.postjobfree.com

CERTIFICATIONS:

•CISCO CCNA / CCNP (CSCO11028630) Expired

•ITIL4 Certification

•VMWare ESXI / VCenter

•Azure Fundamentals Training

•Certified Checkpoint Security Engineer 3/4

•Visual Networks Uptime 7.1 Certified

•InfoVista Certification

•Spectrum Networks, CSI Certification

•Novell Netware CNE Training

•Cisco Collaboration (In Progress)

CLEARANCE: Secret

EDUCATION: Associate of Applied Science, Electronics

PROFESSIONAL EXPERIENCE:

Transportation Security Administration June 2006 - Present

Principal VoIP/Network Engineer

•Designed, implemented and maintain Cisco WebEx Meeting Server 4.x 800 / 2000 user systems

•Designed and Relocated UC Core infrastructure from DC2 to DC3 (PUB / SUB CUCM / CUC / CER / UCCX / CUBEs)

•SIP Trunk Re-Design and Implementations for HQ and migration to Field sites

•VOIP installs and upgrades for various TSA sites, CUCM, CUC, IM&P, WebEx (CWMS), Meeting Place, UCCX, CER, CDR, SRST, VGWs (SIP/H.323/MGCP), Network Fax and New Site Implementations

•Instituted Single Sign On for the UC Environment

•Designed, installed and configured Cisco Unified Computing System to support UC, WebEx and Cisco Prime

•CUCM Migrations 4.x to 12.5 on HQ and Remote Site Cluster (30K+ devices)

•Upgraded CUCM Cluster from 8 to 19 server Cisco Approved MegaCluster

•Migrated 2 CUCM clusters into 1 CUCM cluster split across 5 sites to support 350+ Field sites

•Designed and Migrated CUCM/CUC/CER/UCCX clusters to new datacenter

•Designed and Implemented physical to virtual UC environment

•Installed, upgraded and maintain VMWare ESXI for 36 host (5.x – 7.x) and VCenter

•Configure, Upgrade and Maintained Voice Gateways, Hardware Conference Bridges (audio/video) and Transcoders

•Installed and maintain Cisco Prime Collaboration

•Performed annual Certificates updates across all UC and VTC Systems

•Perform day to day task on various other projects for the VoIP Network and CUCM Clusters

•Worked with Vendor to integrate VTC into environment

•Implemented E911 solution for HQ, Airports and Off-Sites

•UCS Implementation, configuration and maintenance

•Perform Cluster / Application wide Backup Policy and SOPs

•Maintains 135+ UC/System components

•Designed VTC (TMS/CMM/CMS/Expressway C/E) in ITE to allow testing for PROD Systems

ITT Industries July 2004 to June 2006

DOD Contract, Irbil IRAQ

Site Supervisor / Senior Network Consultant / Project Manager

•Designed and implemented the Secret Coalition Military Network in Irbil, IRAQ

•Maintained Voice Communication equipment

•Troubleshoot and maintained satellite communication and network equipment

•Designed, configured and maintained wireless network for internet communications

•Terminated and tested fiber, Ethernet and equipment

AT&T September 2003 – March 2004

Tier II/III Engineer / Project Manager, Contractor

•MGX/BPX switch configuration and troubleshooting for test and turn-up for Frame/ATM/IMA

•CPE router/switch configuration and troubleshooting for implementation for Frame/ATM/IMA

•Team training for VoIP/IMA/Access circuit maintenance

US Army Reserve, Southport NC, Kuwait January 2003 - August 2003 Cargo Documentation NCOIC / SYSADM NCOIC, (74B)

•Planned, organized and supervised shipping port section and equipment deployment to Iraq

•Setup and configured Cargo Carry-away network for Transportation readiness

•Supervised day to day operations of cargo teams and shipping orders in hostile environment

•Performed Network / System Admin duties on servers and network equipment

NetEffect Corporation September 1999 – January 2003

Principal Network Consultant

•Cisco router and switch installation, configuration and maintenance

•Network management design, implementation and installation

•Installation and configuration of HPOV NNM 6.0, CiscoWorks 2000, NetSys, Netcool

•Configured / maintained Cisco Callmanager for voice communication between offices

•Visual Networks ASE/PAM installation, configuration and maintenance for MPLS backbone

•Assessment, design, installation and maintenance of Wireless networks

•VPN design, implementation and installation with Cisco routers, firewalls and Checkpoint

Convergent Communications November 1998 – September 1999

Senior Network Engineer

•Sun servers and OS installation, configuration and maintenance

•Installation and configuration of HPOV NNM 6.0, CiscoWorks 2000, NetSys, Netcool

•Installation, configuration, and implementation of Cisco routers and switches on Frame/ATM

•Configuration and maintenance of Bay Routers

International Network Services February 1997 - November 1998

Network Systems Consultant

•Sun/HP-UX System Administrator

•Novell Netware Administration / Terminal configuration and installation

•Network management/NOC design, assessment, installation and maintenance

•Network design and implementation, troubleshooting and security

•Cisco router/switch and Ascend switch configuration and troubleshooting

•Project management

Southern Company November 1996 – February 1997

System Administrator/Contractor

•Sun/HP-UX System Admin, troubleshooting and implementation

•Implemented Jumpstart as SUN Standard Installation System

•Installed and maintained NIS+ servers, replicas, workstations and users

•Installed and maintained Tivoli Management Environment

•Installed and maintained HP Openview for system and network management

•Troubleshooting of network problems using Network General Sniffer

TSW International July 1995 – November 1996

System Administrator/Consultant

•Network/Unix Administration and troubleshooting

•Installed and maintained SUN, HP-UX, AIX, DEC, Solaris x86, SCO servers

•Added users, printers, applications and peripherals

•Performed security for WAN, Novell, Internet and Unix Networks

•Built and maintained Video Conference Equipment

•Upgraded, configured and maintained Cisco Routers (US, Brisbane and UK)

•Built, installed, configured and maintain Firewall/Proxy Server

•Wire, fiber optic and cable installation, testing and troubleshooting

United States Army Reserves December 1991- November 2004

Information Systems NCOIC (74B)

•HP UX hardware and software troubleshooting

•Network Management and Network Security

•LAN/WAN/V0IP networking supporting 400+ users

•Top Secret security clearance

•Disabled Veteran

United States Army February 1982 - May 1991

Air Defense Section Sergeant (16S) Stinger Guided Missile Systems

•Supervisor for eight years

•Awarded two Accommodation medals

•Received three consecutive Good Conduct medals

•Fired three Stinger Air Defense Missiles (3 Time Master Gunner)

•Inspected, operated and maintained team and platoon equipment

•Top Secret/NATO Secret Security Clearance

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