EXPERIENCE

Adicio, Inc./CareerCast, Inc.

12/2003 - Present

Senior Unix Systems Administrator
-Linux and OpenBSD Server Management
-Monitoring System Design, Configuration, and Management (mon, Nagios)
-Automated Build and Configuration Management
-Automation Scripting (bash, perl, php)
-Load Balancer Configuration and Design (mod_backhand, F5 BigIP)
-Apache Configuration and Tuning
-C Programming (custom modules for Logging, Thunderstone Vortex and QMail)
-Revision Control System Design and Management (CVS, Subversion, and Perforce)
-Publishing System Design
-MySQL Server Tuning, Server Management, Database Design
-Application Performance Tuning
-On Call Response
-Network Engineering

Anonymizer, Inc.

5/2003 - 12/2003

Senior Systems Administrator
-Management of geographically disparate load balanced proxy and web farms totaling 30+ active Linux servers, and over one million unique visitors per day.
-Management and enhancement of high load, 5000+ user SSH forwarding service using multiple load balanced servers running Linux and OpenSSH.
-Creation of Linux / NetFilter and FreeBSD / ipfilter based firewalls for high bandwidth 24x7 environment.
-Management of Linux/Courier/Postfix/LDAP/SpamAssassin based mail system for 5000+ POP3 users.
-Management of CVS development trees totaling over 50,000 tracked files.
-Implemented TikiWiki, a php based Open Source collaboration suite,for documentation and collaboration purposes.
-Team Leader for 3 person system administrator group.
-Implemented “Road Warrior” and point to point VPNs using Linux and FreeS/WAN.

Independent Consulting

6/2002 - Present

Network/Security/Software Engineer
-Developed and maintained 12 intrusion detection system sensors using Linux and Snort.
-Maintained analysis database and interface for intrusion detection system alert history encompassing over 1000 alerts per day.
-Developed shell scripts to synchronize configuration of intrusion detection systems.
-Developed hardening shell script and GRsecurity ACL's for intrusion detection systems.
-Created C tool called 'pipemeter' to provide an active interface for shell commands like tar and dd.
-Augmented Spam filtering tool SpamAssassin with statistics program written in perl.
-Created Spam Filtering and anti-virus servers using MailScanner and SpamAssassin.
-Setup SSH service for secure file transfer and web updates without VPN connectivity.
-Setup and maintained Darwin Streaming Server on Linux for use in major commercial video streaming environment.
-Created web based intranet server for I.T. Department using php and various php based open source packages.

ERP.COM/CorporaTech Inc., San Diego, CA

7/1999 - 6/2002

IT Director/Software Developer/Consultant
-Developed and maintained approximately 40 custom modifications to the Infoflo/Avante ERP system for customers.
-Developed and maintained a data warehouse ETL system for extracting data securely from UniData databases and loading into SQL databases via the Internet using a combination of proprietary and Free software.
-Developed a complete "Snowflake schema" data warehouse for generic analysis/mining of Sales, Accounting, and Production data from ERP systems.
-Developed and maintained company's corporate and technical security policies.
-Created redundant network and power infrastructure to service a top 100 ASP solution's needs.
-Developed redundant Linux based firewalls using ipchains, ipmasqadm, iptables, and iproute2.
-Developed custom perl code for monitoring the systems at ERP.COM in conjunction with the Free software package 'mon'.
-Maintained a network of 18 Windows NT 4, and 4 Linux servers. Services provided included DNS, WINS, SMB/CIFS, HTTP, FTP, CRM, SQL(MySQL and MS SQL), LDAP, and OLAP(Cognos and MS SQL).

CR Computing Solutions, San Juan Capistrano, CA

1/1999 - 7/1999

Programmer/Analyst
-Developed and implemented a paperless warehouse system for automotive after market distributors. This system was used for receiving, picking, and shipping parts out of the warehouse, all utilizing wireless bar code scanners.
-Ported the CRCS software IMS to Linux. This required rewriting some C code as well as some jBASIC code.

DataWorks Corporation, San Diego, CA

9/1997 - 12/1998

Programmer/Analyst
-Developed and maintained approximately 30 custom modifications to the Infoflo/Avante ERP system for customers.
-Worked on a team to integrate the Vertex tax software with the Avante ERP system.
-Worked on a team to correct critical and high priority issues in the Avante ERP system.
-Modified the Avante Human Resources/Time & Attendance system to support new GUI features of SB+ development environment.

Sutter Corp./TRC Staffing, San Diego, CA

3/1997 - 9/1997

PC Technician
-Supported approximately 80 PC users and 60 serial terminal users.
-Created a LAN for the IT department to use for file sharing and greater access to central resources.
-Created remote Linux print server to facilitate printing from an HP-UX system in San Diego, CA over a WAN link to windows printers in Tempe, AZ.

OTHER ACHIEVEMENTS

June 1999 - Present - MaVerick DBMS Project (LGPL)
http://www.maverick-dbms.org
-Developed prototype BASIC parser written in java/antlr that eventually was modified to become the MaVerickBASIC compiler.
-Ongoing Development of BerkeleyDB backend driver for MaVerickDBMS in java.

March 2002 - July 2002 - Palomar Family YMCA - Volunteer Hockey Coach
-Instruction of kids in hockey skills and principles.
-Teaching kids about leadership and hard work.

TECHNICAL SKILLS

C/C++
Java
Perl
Bash
PHP
Software Design
SQL
HTML
Linux Administration
Unix Administration
Network Administration
Information Security
Database Design
PC Hardware Maintenance