Customer Service Network

*******@*****.*** 817-***-**** **** Raintree Ct., Grand Prairie, TX 75050

Abraham Barrera

Enseo Richardson TX November 2016 – Present

Field Application Engineer

Work with HSIA vendors to provision broadband service to Enseo clients and to connections to Enseo Network equipment

Work with Enseo clients to provision server ports for Enseo equipment and application

Remotely support installation of Enseo headend equipment and coordinate installation of Enseo equipment

Remotely supported an Enseo application for Enseo commercial clients for FTG services

Remotely support Dish equipment for Enseo

Remotely support level 2 issues for Enseo clients from TV issues, wifi issues or IP issues.

Professional Experience

Abraham Barrera Consulting 2016 - Current

Free Lance Field Engineer

Completed projects for Teksync Technology, Spencer Technology, Netsurion, Vince IT Department and Standard Electric Inc.

Installed Cisco 2901, 2960 switch and Cisco 7861 VoIP phones for 2 MPLS VoIP Auto Zone stores.

Worked with to telco to port over the existing voice trunks and test and turn up T1's to the new network equipment for 2 MPLS projects at Auto Zone.

Installed a new Fortinet firewall with Netsurion at the Federal Reserve Building in Dallas. Migrated 2 point of sale equipment behind the new FW. Test and isolate packet loss and prove it was in the LAN network not the internet provides cloud.

Isolate and repair a business PBX line to the manager’s office for Teksync Technology.

Installed 6 new data and voice jacks for a retail store at the Parks Mall in Arlington TX for Teksync Technology. Assisted with migrating the network equipment, Point of Sales equipment and voice equipment over to the new network

installed 2 - 48 port patch panels and tested 70 - cat 5 data jacks to the new patch panels for Standard Electric; Scheduled to move the network equipment and phones over to the new equipment room when the new circuits are installed in Oct 2016 .

AT&T 2004 – April 1st 2015

System/Network Admin Manager

Server admin duties primarily working from a home office

Remotely supported an Alcatel application for AT&T Mobility commercial customers on various type servers

Mobility product support for SMS, MMS and location-based services

Supported a Cisco application on various servers for radius authentication/access/accounting services on AT&T 3G Mobility Network

Worked with Oracle, Cisco and Alcatel vendors to upgrade and support the Cisco and Alcatel mobility applications

Working knowledge of UNIX primarily used to support and troubleshoot the Cisco Radius AAA and Alcatel mobility application

Remote work from the ATT Uverse data centers managing and monitoring AT&T Uverse products including Alcatel routers and DSLAMS to Cisco and Motorola set top boxes

Worked with Uverse vendors on hardware or software projects dispatching technicians to central offices, outside remote offices or customer locations for hardware or software repair on Uverse products

Remotely installed and tested new Juniper routers on 10 gig network

Worked with outside and central office technicians testing and troubleshooting 1 gig – 10 gig circuits on the AT&T fiber network

Assisted in testing and turning up Microsoft Uverse applications residing on Sun Servers for the ATT Uverse product

Troubleshooting DHCP and DNS issues

Customer and network support with 10Gig and fiber issues.

AT&T 1998 – 2004

System/Network Technician

Worked on commercial IP networks

Configured SBC commercial customer routers WAN IP and LAN interfaces with public and private subnets for the customer locations in the 5 state SBC region.

Configured routers at the remote sites.

Supported various commercial customers with their WAN and LAN networks.

Isolated and helped resolve high speed circuit, routing network, WAN or LAN issues for commercial customers that SBC Data Network Center supported.

Experience with upgrading and troubleshooting customer Cisco routers, IP network issues, T1/56k circuits, dsu/csu hardware and general network troubleshooting

Worked with SBC Internet Company turning up internet services on Cisco routers for AT&T/SBC commercial clients

Worked with SBC vendor Spirent Test Solutions installing an ATM circuit tester on SBC ATM core network

Worked in installing and maintaining WAN/LAN networks for AT&T commercial customers.

AT&T 1974 – 1998

Customer Service Technician

The Texas Tech Health Science Center Project-Installed Cisco Catalyst Switches at the main campus plus smaller Cisco Switches at the satellite offices.

Supported all the satellite clinics in the West Texas cities and the University Health Science Center main campus in Lubbock with high speed circuits and private IP subnets.

Set up the private network plus and configured all the remote clinic offices to the Medical School on the LAN using VLANs on private IPs.

The WAN interfaces to the public cloud were configured with public IPs.

Copper and fiber splicing rearranging telephone infrastructures and residential/cable repair

Experience with T1/56k circuit and dsu/csu; included circuit installation, testing and troubleshooting for commercial customer

Certifications

AT&T 2002-2005

Cisco CCNA

AT&T 2004-2008

Cisco CCNP

AT&T 2008-2014

Microsoft MSP & MCSE

Skills

NETWORK and TELCOM

CAT5

LAN networks

Copper Cable

WAN networks

T1 installation

POTS Installation/Maintenance

Fiber Network

High-speed data circuits

Cisco Routers/Switches

Alcatel Routers

Juniper Routers

VoIP

MPLS

Mobility Networks

Remedy

Cisco Webex

HyperTerminal

Putty

WAFA

Call center

Network Operation Center protocols

SERVER SKILLS

SUN Servers

Perl

UNIX

Linux (Red Hat)

MICROSOFT SERVERS

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