Responsible in Maintaining, Securing and Administering the Corporate Servers.- Domain Controller - Active Directory on Windows Server 2003 Enterprise- Exchange Server 2003- Windows File Server on Windows SBS 2003- SearchX for Corporate Knowledge Base Server- SQL 2000 Server- Novell Ifolder as a Remote Backup Server.Configures and Maintain Corporate Devices and Networking Devices.- Cisco PIX Firewall 506E- Cisco ASA 5500 Series- Cisco Catalyst 2950 Switches. - Linksys & Dlink Wireless Access Points- Panasonic PABXConduct Server Backups Daily, Weekly and Monthly.Manage software and hardware inventory including monitoring of licenses. Coordinate training and Interact with end users to maximize network/systems utilizations. Conduct testing’s and report automatically with any problem observed and provide necessary countermeasure to prevent future problem that may leads to major issues concerning the availability of company infrastructures

Administering, Securing, Maintaining, and Troubleshooting Corporate Networking Devices- Cisco Edge and Core Routers - Cisco Edge and Metro Switches - Remote Access Servers- Barracuda Spam Appliance- PABX- IP Phone and Video Conferencing DevicesAdministering, Securing, Maintaining, and Troubleshooting Corporate Servers.- Domain Controller - Active Directory on Windows Server 2003 Enterprise- Exchange Server- SQL Server- File and Print Server- Intranet and Extranet IIS servers- Web Hosting Server - Windows and Linux DNS Servers- Http Proxy/Cache Servers- Linux Firewall- VPN gateways- Bandwidth Managers Administers the end user network accounts. Conduct Server Backups Daily, Weekly and Monthly.Perform special task that may be assigned by the superiors from time to time. Provides periodic reports regarding the status of the computer systems, network to support the business critical applications running on top of it.

Responsible in providing good knowledge and teaching students on the following.- PC troubleshooting & Maintenance.- Basic & Advanced Networking.- Window Server 2003 Installation, Administration, and Maintenance.- Installation of Linux OS.- Visual Basic Programming.

Responsible in leading MIS staffs for providing support to employees in the following situation.- Administration of Corporate Windows 2000 & 2003 domains.- Administration of Corporate product inventory database.- Back-up/restoration of Server Data.- Servers monitoring, tuning, and maintenance.- Administration of LAN, WAN, and Wireless Networks.- Administration of Company’s Exchange Server.- Administration of the Company’s files servers. - Installation, administration, maintenance, and troubleshooting of workstations.- Installation, administration, maintenance, and troubleshooting of all applications installed on the workstation.