• Managed the day-to-day operations of the corporate computing infrastructure by monitoring system performance, configuration, maintenance and repair. Ensured that records of system downtime and equipment inventory were properly maintained. Applied revisions to host system firmware and software. Worked with vendors to assist support activities. • Developed new system and application implementation plans, custom scripts and testing procedures to ensure operational reliability. Trained technical staff in how to use new software and hardware developed and/or acquired. • Lead problem-solving efforts often involving outside vendors and other support personnel and/or organizations. • Established, maintained and managed users Windows and Office 365 accounts. Installed, modified and maintained systems and utility software on server and desktop computer systems. Provided server support related to other software. • Established guidelines and methods for the installation and management of the host computer operating systems, disk arrays, tape libraries and other components. • Ensured high availability and acceptable levels of performance of mission critical host computer resources. • Developed procedures to maintain security and protect systems from unauthorized use, acts of nature and user abuse. • Developed procedures, programs and documentation for backup and restoration of host operating systems and host-based applications. • Provided leadership in planning and implementation of projects for computer operations and enterprise systems administration. • Developed tools, procedures, and training sessions for Operations, Client Support and Systems Development staff to assist with work. • Managed the data center and computer host systems including hardware, software and equipment such as air-conditioning system, UPS (uninterrupted power system) and fire protection system.

Responsible for all aspects of network infrastructure of companyManaged multiple Active Directory domainsGPO management Managed Exchange Email DomainDNS, DHCP, FTP, IIS Server managementCisco router and switch management (VLAN, QoS, PoE)Implemented wireless network for wireless inventory scannersImplemented WAN failover/load balancing utilizing Ecessa solutionMigrated SQL server to IBM SAN solutionManaged VOIP ShoreTel phone systemMigration of Brightmail Spam filtering to Google Messaging solution (Postini) resulting in significant cost savingsMigration from Norton AV to Trend Micro Antivirus corporate wideImplemented and managed SFTP solutions to meet customer requirementsPhysical server migration to virtual environment and ongoing management of VMware ESXi hosts Network security management logging and vulnerability scanningNetwork and system monitoring and performance troubleshootingProvided hands-on technical support to end-users throughout company Desktop and laptop support ~ imaging and remote accessMigrated backup solution from Arcserve to Symantec Backup Exec solutionManaged Blackberry and Cell phone assets and BES AdministrationConfiguring, testing, troubleshooting, repairing and deploying of network assets