Designed IT infrastructure and carried out installation and maintenance of Windows NT based network. Handle the tasks of providing operational support and project implementation for Cisco-based network infrastructure including switching, cabling, routing, firewall security and site-to-site VPN.Responsible for website/portal operations and maintenance, telecommunications operation and maintenance, email services and engineering support services. Support in the implementation and documentation of network policies, standards and guidelines Participate in on-call responsibilities in support of a production environment coordinate with hardware and software vendors to maintain operations, diagnose issues and resolve problems Perform responsibilities of creating implementation plans for network-related projects based on standard building blocks and procedures.