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Network Administrator Resume

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Chattanooga, TN

Objectives
Seeking challenging, fast-paced position as a Unix/Linux/Windows Systems Administrator/ Network Administrator/ IT Director/Manager.

experience

Confidential
September 2012 - Present

General sandblasting work.
Painting monuments
Driving truck / deliveries

Network Administrator/Programmer | Confidential
August 2003 - September 2012

Design entire IT infrastructure with Windows and Linux servers and all relevant services/daemons.
Design and implement Apache/PHP/MySQL for web services, LDAP, Courier/Postfix/Procmail/Spam Assassin for mail services - all with emphasis on security.
Administer and manage large Linux server environment, with an emphasis on performance, monitoring, tuning, and management.
Oversee database physical design, administration, and documentation.

Network Administrator | Confidential
April 2002 - May 2003

Administer Cisco routers/switches, Sun Enterprise servers, x86/sparc-based Linux servers, Lucent terminal servers, and Microsoft Windows 2000 servers. Programmed management reporting systems for purchasing department.
Responsible for network and computer security, keeping software up to date and current, as well as using tools at different layers of the OSI model to prevent network/workstation instrusion.
Provide network troubleshooting, escalated service desk support, and proactive monitoring of mission-critical systems.
Provide guidance and direction of technology solutions for the organization; train and mentor junior-level administrators.
Install, configure, and troubleshoot all hardware, peripherals, and equipment necessary to meet integrated systems objectives; provide support functions on escalated issues.
Manage all aspects of the integrity of the environment, including security, monitoring (capacity and performance), change control, and software management.
Administer infrastructure services - DNS, NIS, LDAP, FTP, SMTP, Postfix/Sendmail, NFS, Samba, and application/database servers.

Tech Support Specialist | Confidential
May 2001 - May 2002

Provide phone support for ISP, POTS, and key systems.
After nine months working as a support technician, became lead technician and led a team of 12 support technicians providing phone support and DMS-100 configuration.
Install and configure VMware to assist technicians troubleshooting network issues with different versions of MS Windows.

Web Developer | Confidential, Alexandria, VA
September 2000 - April 2001

  • Fulfilled a six month contract as a web developer using Microsoft ASP and Microsoft SQL Server 7.
    Co-designed/developed back end to a large scale ASP application used to parse news feeds from Yahoo, Motley Fool, CNN and distribute custom news to clients based on their preference.
    Provided a front end interface to end users, giving them the ability to select custom news feeds delivered via XML.

Web Developer | Confidential, Chattanooga
May 1998 - July 2000

Designed, developed, and deployed several client web sites using HTML, PHP, client side javascript, and MySQL.

Tech Support Manager | Confidential, Chattanooga
February 1996 - March 1998

Managed a team of 10 tech support personnel and provided phone support for general dial-up, ISDN, email, web space, and other issues related to the ISP to business and residential customers.

SKILLS

Linux (2.[23456].x) / Red Hat, Debian, Gentoo, Mandrake
8+ Years Experience

Includes custom kernel compilation
SMP
IP masquerading/Routing
Configuration of system quotas
Installation and configuration of SSH and shadow password security (before shadowed passwords were default in Red Hat)
Use of PERL, Sed, Awk, and shell scripting for system administration/maintenance
Production use of Red Hat (i386), and Debian (SPARC/i386)
Setup and administration of Sendmail (8.9.3-8.12.x) with Spam Assassin (to prevent spam) and Squirrel Mail (for webmail)
Setup and administration of Postfix/Courier/LDAP/Procmail with Spam Assassin and Squirrel Mail
Setup and administration of Apache (from source, RPM, .deb with PHP/Mod Perl support) (1.3x/2) in production environment
Emphasis on security - custom installs from distribution disks installing only necessary software and shutting off all ports (uninstalling software or modifying init script so that unnecessary software is not running - such as portmap for NFS and printing drivers that are installed and on by default in certain distros), use of iptables, PAM, and tcpwrappers

Windows NT 3.51/4.0 (SP 3-6a)/2000 (SP3)
7+ Years Experience

Implementation and administration of Active Directory with 100+ users
Integrated with Unix using Samba and Winbind
Installation and configuration of servers (single domain, single forest) and workstations Configuration of DHCP gateway service
Configuration of Windows DNS
Setup and configuration of MS Exchange with ISP connector
Development and deployment of unattended installations of clients
Installation and implementation of SUS/WUS (Windows Update Services)
Developed and deployed Squid proxy for Outlook Web Access over SSL proxied by squid behind the firewall so that webmail clients never had physical access to the Exchange server
Setup bridgehead server for Active Directory replication over WAN links
Extensive use of group policy/logon and logoff scripts and group policy software installation
Designed and implemented backup solution using Samba and rsync for nightly differential backups

Cisco IOS (10.x-12.x.x)
2+ Years Experience

Switches: Catalyst 19xx, 28xx, 29xx, 35xx
Routers: 17xx, 25xx, 7x00
Maintained Frame-Relay and DS3s uplinks to backbone providers as well as point-to-point links to customers

Nortel DMS-100
4+ Years Experience

Setup single line and multi-line home and business stations and huntgroups with all class features

Asterisk (open source PBX)
2+ Years Experience

Designed and deployed 100+ line PBX and migrated 100+ stations from a AVAYA Definity phone switch
Wrote several custom agi scripts adding more features to the phone system

VMware
3+ Years Experience

Installed and deployed VMware running MS Windows 95, 98, NT 4, 2000, and XP to assist in troubleshooting network and dial-up, email, and other ISP related issues for customers over the telephone
Used VMware to emulate different versions of Windows for hardware and software testing

PHP
3+ Years Experience

Written or been involved in several web projects using PHP and MySQL including shopping cart software, content management system, and other web based software projects
Used for system administration projects

References available upon request

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