Senior System Administartor-Instructor
Infocenter
Total years of experience :21 years, 0 Months
• Teaching various IT and networking courses; such as Microsoft, Cisco Systems, CompTIA, and other courses.
• Network Administrator for a large-scale network infrastructure
• Implemented LAN and WAN infrastructure for the US Army installation to include Unclassified and Joint Coalition Networks of over 10, 000 Clients
• Installed and configured Dell and Compaq servers, and Dell fiber-channel Cluster solutions for the military
• Installation of server farms including Domain controller, Dell/EMC SAN, Microsoft Cluster, Exchange, IIS/Web, DNS, DHCP, WINS, File (CD Jukeboxes) and Print servers
• Enhanced Internet Access using high-end Caching Engines by Cache Flow
• Worked on Cisco routers and switches 29xx, 3640, 2620.
• Providing VLAN solutions into different Domains Static VLAN, Dynamic VLAN, inter VLAN routing.
• Implementation, configuration and troubleshooting of routing protocols EIGRP, OSPF, Static.
• Provided Remote Access Digital Dialup capability via Cisco AS5300 for 300+ clients
• Implementation of Security by installing Cisco PIX firewall
• Designed solutions involving security, load balancing, prioritization and content management
• Actively involved in the implementation of the base backbone network infrastructure
• Administered, troubleshooting and installed Windows server domain model network, managed groups and permissions
• TCP/IP related configuration problems on Windows Server
• Administered, troubleshooting and installed Exchange Server 2013
• Managed the share permissions of different folders on stations and share of printers
• Administered, troubleshooting and installed System Center configuration manager
• Administered, troubleshooting and installed Windows server domain model network, managed groups and permissions
• TCP/IP related configuration problems on Windows Server
• Administered, troubleshooting and installed Exchange Server 2010
• Managed the share permissions of different folders on stations and share of printers
• Administered, troubleshooting and installed TMG 2010
• Providing VLAN solutions into different Domains Static VLAN, Dynamic VLAN, inter VLAN routing.
• Implementation, configuration and troubleshooting of routing protocols EIGRP, OSPF, Static.
• Provided Remote Access Digital Dialup capability via Cisco
• Implementation of Security by installing Cisco PIX firewall
• Administered, troubleshooting and installed Windows Server based single domain model network
• Managed the groups and permissions; Implemented fault tolerance
• Installed and configured hardware devices using specific drivers for Windows XP/Server operating system
• Installed Windows XP and Windows Server and Workstation
• Implemented and configured RAS (Remote Access Server) for remote and mobile users
• Configured TCP/IP on MS Proxy Server 2.0 using virtual IP addressing
• Installed and configured hardware devices using specific drivers for Windows XP/Server operating system
• Provided technical support to users with printing problems on shared printers
• Software/Hardware/IRQ/Driver-conflict related problems
• TCP/IP related configuration problems on Windows