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Summary

 ·          4 years of experience administering a Large Scale Network Infrastructure, including voice services (SIP, H.323, etc.), data services like DNS, Mail, Web, DHCP, VPN's, LDAP, Databases,  and the right security (IDS, Firewall).

·          2 years of experience in Helpdesk (on site and by telephone) environment, troubleshooting several operating systems, telecommunications and  hardware/software issues.

·          2 years of experience in all phases of application development working primarily on Web technology (PHP, ASP, JavaScript, HTML running in IIS as well as in Apache) as a Programmer.

 

Work History

Electrosystems

Juarez-El Paso, Mexico
Oct 2005 - Present
Network Administrator 

 

·          Responsible to create and maintain different customer's voice/data network across Internet, running services like Voip (SIP, H323, Asterisk, OpenSer, FreeSwitch), DNS, Web (Running Apache and IIS), Mail (POP, SMTP, IMAP) and some other services

·          Responsible to guide the people on site to troubleshoot hardware and software problems

·          Responsible for developing and research of new tools and new software for improvement purposes.

·          Responsible for the network security, creating and maintaining different firewall’s rules on different equipment.

 

 

Functional Experience:

Create and Maintain network services to be used by different customers with different needs.

Tools:

Windows 2000/XP, Linux CentOS 4.3, SSH, Firewall, Asterisk (SIP, R2, H323), OpenSER, FreeSwitch, FreePBX, Squid, Network Tools (tcpdump, ngrep, wireshark), Security tools (nagios, snort, rootkits), Mysql, PHP, Perl, Bash Scripting

 

 

AutoZone, Inc.

Chihuahua, Other, Mexico
Mar 2005 - Oct 2005
Support Agent 

  • Bring technical support for a fortune 500 company, across all US and Mexico. Responsible to fix any computer, telecom related problems in more than 4000 stores and Distribution Centers.
  • Responsible to guide the employees on computer, satellite, registers, network troubleshoot.

  • Responsible for answering incoming customer calls, and provided e-commerce solutions.



 

Functional Experience:

Identify, evaluate and prioritize customer and employees issues via telephone, and complete an extended written documentation.

Tools:

Remedy ticket system, Lotus Notes, VPN, CRT, C++, HTML, Windows 2000/XP, Linux Red Hat 7.3, MS Extended Office Suite

 

 

Hewlett Packard

Chihuahua, Other, Mexico
Jan 2004 - Mar 2005
Support Agent 

 

 

  • Bring technical support dedicated to Bank Santander Serfin, Mexico. Provided excellent customer service for the employees of more than 400 banks across the north side of Mexico.
  • Responsible to fix any telecom, telephony, software, hardware related issue, sometimes on site or by telephone.
  • Responsible of telecom installations for new ATM, as well as telephony and network installations on the banks.

 

Functional Experience:

Identify, evaluate and fix any employees problems with the hardware, software, telecom and telephony as well as installation of new equipment.

Tools:

Peregrine Service Center, Netscape Navigator, IE, Windows 95/98/200/XP, Ghost, Norton Antivirus, MX Extended Office Suite, and other proprietary Applications.

 

Education

Instituto Tecnologico de Chihuahua II

Chihuahua, Chihuahua, Mexico
1998 - 2004
Ingeniero en Sistemas Computacionales, IT

Bachelor in Systems Engineering

Skills

Asterisk

(Expert)
3-4 Years Experience, (Last Used <1 year ago)
Skillometer_4
  • Ability to complete installation and configuration of PBX systems using Asterisk, FreePBX, FreeSwitch, OpenSER, Kamailio.
  • PSTN interconnection using PRI ISDN, CAS, R2 and TDM circuits.

Operating Systems

(Expert)
5-6 Years Experience, (Last Used <1 year ago)
Skillometer_4

Linux CentOS (Red Hat) and Debian Distros, HP-UX. Solaris. Windows Server 2003, 2000. Windows XP and older versions. VPN's using OpenVPN, MTA using Qmail, all of them under Linux. Ability to administer Cisco Equipment. Also services like DNS, DHCP, Samba (File Sharing), Web Server (Apache and IIS).

Hardware

(Expert)
3-4 Years Experience, (Last Used <1 year ago)
Skillometer_4

PC's (Intel, AMD, and 64 bits technology), and Servers (dual processor)

Programming Languages

(Intermediate)
1-2 Years Experience, (Last Used 1-2 years ago)
Skillometer_2

HTML, PHP, ASP, .NET, Java, JavaScript, Pascal,

Certifications

dCAP

(Digium)

The Digium-Certified Asterisk Professional (dCAP) certification is a verification of your knowledge of Asterisk. The certification covers a specific released, stable version of Asterisk. The program is offered at the end of the Asterisk Advanced training course.

The dCAP test consists of a 150 question written exam concerning Asterisk and Asterisk-related technology, and a hands-on practical lab exam in which you are asked to configure a PBX according to a given specification..