David Hester
Senior Systems Admin @MANTECH
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WORK HISTORY
Senior Systems Admin @MANTECH
Implementation of system security policy, host and client access, file permissions, user accounts and other Active Directory related infrastructure duties including DHCP, DNS, and Group Policy• Configuration, administration, and maintenance of Microsoft Exchange 2010 environment, including 5 virtual servers and over 500 mailboxes• Design, configuration and maintenance of both Fiber Channel and iSCSI storage arrays• Research, evaluation, installation, configuration, and troubleshooting of all hardware, peripherals, and equipment necessary to meet integrated systems objectives• Troubleshooting networks, systems, and applications to identify and correct malfunctions and other operational problems• Maintaining currency of knowledge with respect to relevant state-of-the-art technology, equipment, and/or systems• Performing software installation, maintenance and upgrading as well as performing routine network administration and maintenance• Performing servers and systems data backup and recovery utilizing ComVault• Monitoring system logs and activity on all servers and devices• Providing user support as required• Ensuring that all customer requests are logged and updating calls using the designated call handling and tracking system• Ensuring follow-up with customers with call or service request status when status changes
EDUCATION
Boston University
Master of Science - MS, Computer and Information Sciences and Support Services
University of California
Bachelor's degree, Computer Software Technology
ABOUT DAVID HESTER
Senior IT Admin, great experience with increasing responsibility and a strong hands-on technical background. Results-oriented leader, experienced with large and small enterprises. Customer focused philosophy, centered around aligning IT with business goals, continuous improvement, and delivering innovative technology solutions to enable business growth.
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