OBJECTIVE:

To obtain and excel in a rewarding position as a Unix Systems Administrator, preferably in an ISP environment.

EXPERIENCE SUMMARY:

Operating Systems:

FreeBSD, Solaris, Tru64, Linux, IBM OS/2, Cisco IOS, IBM OS/400, DOS, Microsoft Windows

Networking:

TCP/IP, Samba, OS/2 Peer, Windows Peer, Banyan VINES

Software:

Sendmail, Postfix, Courier-IMAP, BIND, RADIUS, Apache, Amavisd-new, ClamAV, MySQL, Mailman, Majordomo, INN, MRTG, NetSaint, Nagios, CVS, RANCID, VINUM software RAID, X-Windows, AS/400 Query

Programming:

C, Perl, Python, Pascal, REXX, PHP, COBOL

EXPERIENCE:

Internet Channel Corp.
New York, NY
Lead Unix Systems Administrator
2-2002 TO Present

Administering Internet Channel's FreeBSD servers, Cisco routers and switches, 3Com Total Control remote access servers.

Executed an aggressive system software upgrade program to bring the servers to current levels, fixing numerous security vulnerabilities.

Implemented a spam tagging/filtering system using SpamAssassin with a MySQL database for user preferences.

Wrote and maintained many custom SpamAssassin rules to improve the accuracy with changes in spam tactics.

Upgraded the system monitoring system from an ancient version of NoCol to Netsaint.

Fixed several critical race conditions and lack of error checking for commonly occurring error scenarios which resulted in loss of data and failure to add and remove services from the servers in most of the existing billing system to servers integration scripts.

Placed BIND DNS, sendmail, GNU-RADIUS, NetSaint, Cisco, and SpamAssassin configurations in CVS for change management and distribution.

Implemented the AMANDA backup system to get daily backups of all server systems.

Setup and Maintained the RANCID router configuration monitoring system to track changes made to the network hardware configurations.

Maintained BGP configuration for multiple upstream Internet connections.

Utilized NetFlow data on the Cisco routers to determine sources of Denial of Service attacks and to detect virus/worm infections of customer systems.

Converted a client's Cobalt RaQ system to a FreeBSD server utilizing commodity hardware with increased performance and security.

Wrote many automation scripts to reduce administrator workload and improve quality control.

Wrote Makefiles to handle installation of configuration changes from CVS working directories with configuration testing and reloading of the daemons to utilize the new configuration after testing of the new configuration. Administrators are able to make all configuration changes without needing root privileges in their own working directory. The Makefiles use sudo where elevated privileges are required.

Updated FreeBSD ports as needed to keep new software installs within the FreeBSD package management system. Submitted and had accepted those updates by the FreeBSD project.

CenturyTel Internet, LLC.
Russellville, AR
Unix Systems Administrator
1-2001 TO 5-2001

Administered CSW Net's Mail, News, Shell, RADIUS, DNS, Samba, and Web servers for a statewide Internet Service Provider.

Maintained and enhanced CenturyTel's random mixture of over 100 Solaris, Tru64, Linux, and FreeBSD servers.

Installed HP OpenView Network Node Manager under Solaris and Solaris 7 on a Sun E220R. Set up DiskSuite to enhanced reliability of data storage.

Recommended and obtained management's approval to set up NetSaint monitoring system.

Enacted centralized build and upgrade process for FreeBSD servers.

CSW Net, Inc.
Russellville, AR
Unix Systems & Security Administrator
11-1998 TO 12-2000

Interfaced with management, made recommendations and planned all systems' capacity upgrades of company's FreeBSD and Linux based Mail, News, Shell, RADIUS, DNS, Samba, and Web servers.

Setup, administered, and enforced security policy for the entire company and its 19,000 customers.

Managed a staff of 10 representatives to provide technical support to over 19,000 users with over 15,000 dial-up accounts in 29 locations across the state of Arkansas.

Ensured and maintained acceptable response times and quality of service for the SMTP, POP3, HTTP, HTTPS, RADIUS, DNS, and SAMBA servers.

Maintained servers at most current, stable, patch level to ensure resistance against software failures and security threats.

Assisted with maintenance of various Cisco, US Robotics (3Com), and Livingston Access Servers and Cisco router devices.

Installed and configured MRTG SNMP monitoring software to track and graph bandwidth and modem utilization on network hardware and system load averages of the UNIX servers.

Implemented NetSaint monitoring software to assure system health and automatically pager-alert the parties in charge of correcting any network or server system's outages.

Transferred several Slackware Linux servers to FreeBSD to provide a more consistent, secure, manageable platform for the company's services.

Wayne Farms
Danville, AR
Coordinator of Information Services
5-1994 TO 11-1998

Maintained the AS/400 and Banyan Vines forty-eight node network.

Ensured timely and complete backup of all critical data.

Installed and repaired PC hardware, software, and networking components.

Researched, recommended, purchased, and implemented new network links between sites.

Developed several applications to enhance data collection and flow.

Trained employees in the use Lotus SmartSuite, Windows, and AS/400.

Farm Credit Services of Western AR
Russellville, AR
Credit Assistant
5-1992 TO 5-1994

Performed part-time work doing general computer system maintenance for the Credit Department while enrolled full-time in college.

Wrote a series of scripts and queries to eliminate the double data entry labor on PC and on AS/400. Saved 80 man-hours per month.

Entered and manipulated loan origination data to provide monthly board reports to Chief Credit Officer.

Provided technical assistance to the Information Management Controller.

EDUCATION:

Arkansas Tech University, B.S. Computer Science/Mathematics 1996
Russellville, Arkansas 72801