Configure, deploy, and maintain bare metal and virtual (both KVM and EC2) Linux servers using Puppet and other tools. Create and maintain scripts for automating common administration tasks. Maintain an Agile development environment using Jira, Jenkins and SVN. Maintain and update basic infrastructure and services. Maintain PCI Level 1 compliance by applying security best practices.

Create scripts to automate system configuration tasks including OS installation, initial configuration, and hardening for systems requiring PCI compliance. Facilitated requested system changes including account management, DNS records, and system settings. Collaborate with DBA, Storage, and Application teams to install and optimize database and application instances. Document procedure and configuration information for training and compliance purposes.

Installed, configured, deployed, hardened and maintained 200+ Linux/Unix servers. Performed investigation, troubleshooting, and repair of hardware and software system issues and outages as encountered. Basic administration of storage systems, including SAN and NAS devices. Perform system hardening and security adjustments to facilitate PCI compliance. Basic VMware administration including deploying, cloning, and creating templates from virtual machines. Perform system updates on a quarterly to semi-annual basis.

Diagnosed and resolved issues with both local and remote computers. Maintained and deployed images of the various client machines. Configured and deployed client computers for new employees as well as employee upgrades. Created and maintained documentation of issue resolutions for the department knowledge base.

Maintained the Quantum Retail and JDA Arthur applications on both servers and client machines. Tested, documented, scheduled, and deployed patches and bug fixes for new application versions. Participated in 24/7 on-call emergency response for system issues and outages. Reviewed logs to ensure nightly processing completed successfully. Wrote bash scripts to assist in administration of the systems.

Assisted employees with various computer problems including desktop hardware failure. Involved in loading and installation of hundreds of employees’ systems to new Windows XP Systems. Coordinated the moving of various departments’ computer equipment to different locations in the office. Participated in converting networking equipment from Token Ring to Ethernet.