Planning and designing multiple organizations LAN's network expansion. Upgrading and configuring Microsoft Windows servers and workstations.• Configuring and managing AD, Exchange, DHCP, WSUS, WDS, Antivirus and backup servers in multiple medium to large corporate networks. • Designing and implementing modifications to improve speed of operations and system security measures. • Supporting and deploying network infrastructure in a multivendor environment including Cisco, SonicWall and Edgewater routers, switches and remote servers.• Performing multiple migrations to bring systems up to date including Microsoft Servers and Network Appliances.• Configuring VPN tunnels between different cities as well as providing remote access solutions for more than 200 users. • In charge of researching, acquiring and configuring all network and server hardware systems.• Installing network routers, switches, firewalls and web security appliances. Installing and configuring campus wide wireless solutions.• Responsible for the network management including network performance tuning, security monitoring, file and email servers administration.• Developing and improving the standards for network documentation, practice and procedures, and also providing network capacity analysis and recommendation.