Systems Administrator
Las Vegas, Nevada Area
• Planned and delivered domain migrations, deployments and upgrades for two AT&T datacenters with hundreds of systems, including blade, VM, telephony, Unix, and Storage (NetApp) systems supporting 7K internal users as part of a seven-member IT and developer support team. • Resolved 100 internal tier-3 desktop support and twenty server support tickets per week for 7K staff.• Provided support for Active Directory account issues, server shares issues, malfunctioning SCCM deployments, and imaging deployment.• Maintained twenty print, file sharing, connectivity, DNS, DHCP, Active Directory, and LDAP servers running Windows Server 2003/2008, and performed break fixes as needed.• Maintained, stress-tested, and deployed in house programs, including MS Excel touch screen plugins. • Reduced outages and improved performance of a fifteen year old predictive dialer system at two different locations by removing unnecessary code and setting up documentation to enable code rollback, increasing sales productivity to 90% uptime.• Automated common fixes using Batch scripting, including a 45-minute Excel file corruption fix procedure