
Linux administrator, DBA and developer working for Rackspace/Slicehost/Mosso
San Antonio, Texas Area

Linux administrator, DBA and developer working for Rackspace/Slicehost/Mosso
San Antonio, Texas Area
General Experience:
* Linux Systems Administrator
* Red Hat Certified Engineer (RHCE)
* Certified MySQL Database Administrator (CMDBA)
* Software developer (PHP, Ruby, Perl, Python, shell scripting)
* Server optimization
Specific Experience:
* Architected and maintained an intrusion detection and prevention system with external monitoring and data correlation routines
* Authored an automated MySQL tuning script (MySQLTuner)
* Developed user interfaces and back-end architectures for internal and customer-facing purposes
* Created multiple API's (REST, XML-RPC and XML)
* Wrote shopping carts for e-commerce sites
* Maintained and developed billing routines
* Documented the Plesk database structure (pleskhacker.com)
* Managed 5-10 technicians independently
Databases (MySQL, MSSQL,sqlite), Scripting (Ruby, PHP, Perl, Python, shell), Linux systems administration (RHEL/Fedora, Debian/Ubuntu, Gentoo), Network administration (Cisco firewalls, intrusion detection/prevention)
(Public Company; RAX; Information Technology and Services industry)
November 2008 — Present (1 year 2 months)
(Public Company; 1001-5000 employees; RAX; Information Technology and Services industry)
December 2006 — October 2008 (1 year 11 months)
Started as a Level II administrator and then became a Level III shortly after obtaining RHCE and CMDBA certifications. Now responsible for the management and development of Linux server administrators in a large-scale hosting environment.
Wrote several web applications and scripts to assist managers and technicians in their daily work. Scripts include MySQLTuner (a high performance MySQL tuning script), PhoneBoy (an application to track available technicians), SSL Indexer (to catalog SSL certificates installed on customers' servers), and Boxcheck.com (a free replacement for DNSStuff.com).
(Computer & Network Security industry)
February 2005 — December 2006 (1 year 11 months)
Started as an entry level customer support technician performing maintenance tasks on one Linux server. Helped to develop a cluster of MySQL and web servers to serve the company's web site as well as several other projects. Created three successful revisions of the company website including secure shopping cart areas and the industry's first web-based automated SSL installation diagnosis tool. Worked with a second developer to create an integrated intrusion detection and prevention system with the capability to sense new devices on the network and test those devices for any vulnerabilities. System included automated patching, notifications, and communication with other network devices. Collaborated with various Certificate Authorities to set the standards for the Extended Validation (EV) certificates released in early 2007.
(Sole Proprietorship; Myself Only; Computer & Network Security industry)
January 2002 — May 2005 (3 years 5 months)
Provided computer hardware and software support to individual consumers and commercial organizations. Installed network cabling, built servers/workstations, and configured network hardware for maximized productivity and security. Designed web sites and applications for customers and managed servers on which their web content was hosted.
(Public Company; 5001-10,000 employees; Hospital & Health Care industry)
February 2002 — September 2003 (1 year 8 months)
Directly responsible for emergent and non-emergent patient care in an out-of-hospital setting. Managed medical treatment for patients between medical facilities as well as a 911 emergency responder. Maintained careful documentation and kept all private patient information secure. Operated emergency vehicles on over 20 runs per day with no incidents.
BS , Biological Sciences , 2003 — 2004
UTSA Alumni Association Life Member
UTSA Honor Roll - Fall 2003 and Fall 2004
Dean's List Award - Summer 2004
Cellular And Molecular Biology 2000 — 2003
1996 — 2000
Writing web applications, teaching, reading, tennis, basketball
Emergency Medical Services Association of Texas (EMSAT)
National Association of Emergency Medical Technicians (NAEMT)
Red Hat Certified Engineer (4-5)
Certified MySQL 5.0 Database Administrator (CMDBA)