Eric W. Email & Phone Number

United States

Austin, Texas, United States

Dallas/Fort Worth Area

• Engineered and maintained 30+ ecommerce websites including tweenbrands.com, metropcs.com, yankeecandle.com, shopko.com, thelimited.com, ulta.com, dressbarn.com, cache.com, H-E-B, AAFES, Nexcom Navy Exchange, VCS, Lennox, Mills Fleet Farm, Toys R Us, etc.• Engineered mid size deployment of KVM virtualization private cloud on Red Hat Enterprise Virtualization platform utilizing Cisco UCS for compute/network.• Built and maintained physical server farm in private Softlayer colocation facility, which included over 750 physical servers. Procured necessary hardware from specific vendors as well as ran and built cabling for physical infrastructure.• Deployed, setup and administered mid-scale NetApp FAS series ONTAP cluster as a data store for virtual private cloud services.• Automated deployment of over 2000+ Linux (Red Hat, CentOS, Ubuntu) servers utilizing and writing Chef cookbooks to maintain consistency within the environment.• Maintained coherence and PCI/DSS compliance by implementing custom Chef cookbooks for over 2000 servers.• In depth knowledge of HP DL/BL series hardware, Cisco UCS series hardware.• Implemented RSA SecurID services to secure entire network infrastructure for PCI compliance.• Deployed and maintained logstash/elasticsearch (ELK stack) environment via Chef for company wide logging to replace expensive deployment of Splunk, reducing costs.• Automated the build of infrastructure applications, such as HAproxy, apache, iptables, rsyslog, ldap, postfix etc utilizing Chef. Reduced time significantly to spin up applications that would normally take weeks.• Very familiar with PCI certification audits. Hardened all unix/linux systems and wrote PCI evidence and documents required by auditor.• Made several performance linux kernel optimizations on RHEL for ATG oracle databases via Chef. One of the first in the industry to deploy the ATG application solely on VM infrastructure within RHEV KVM environment.

Houston, Texas Area

• Engineered and administered multiple websites on a LAMP (Linux, Apache, MySQL and PHP) environment.• Secured and maintained linux webservers, implementing and utilizing tools such as RKhunter, fail2ban, shorewall, iptables, selinux.• Wrote bash scripts to ensure synchronization between servers.• Utilized server virtualization by using AWS cloud based services, saving the company power, spaceand money.• Wrote bash shell scripts to automate backup tasks using tar, rsync and cron.• Setup and administered Subversion server.• Troubleshooting drives, LUNS and file systems.• Installed, configured and hardened apache, MySQL, PHP.• Engineered and administered websites on apache using PHP/Ruby on Rails for clients such as Laser Image, Rapid Reporting, SpeedFC.com, GracePC.org, Bentwoodtrail.org, Dallasmustang.com, Symphonyhomes.net and Patrickandcompany.com.• Utilized LVM to allow dynamic growth of production and development machines.• Managed and maintained DNS for the company.• Installed and configured internal PBX phone systems using openVBX on Ubuntu linux.• Integrated and managed FTP server and users.• Trained and aided others in the linux/unix environment.

Dallas/Fort Worth Area

• Engineered/Designed website using PHP/javascript/HTML/CSS for bluemoosemarketing.com.• Compiled and installed apache, PHP, PostgreSQL environment on linux.• Maintained, coded and modified layouts for sites such as Ulta.com, limitedtoo.com, chistmasdepot.com and hipsandcurves.com using php/javascript/html/css.• Wrote/rewrote multiple SQL queries mainly using PostgreSQL.• Configured and secured Ubuntu and Centos installs.• Racked and configured IBM servers at company colocation facility.• Edit crontabs to add and remove scheduled jobs.• Modified kernel parameters in Centos.• Monitoring and reporting linux/unix environment.

Commerce, Tx

Support desk, tier 1 support for student/faculty email, school hardware, network troubleshooting, hardware upgrades, software installs.