.User administration (setup and maintaining account).Maintaining system.Installing configuration fortigate firewall..Setup security policies for users. A sysadmin must have a strong grasp of computer security (e.g. firewalls and intrusion detection systems).Verify that peripherals are working properly.Quickly arrange repair for hardware in occasion of hardware failure.Monitor system performance.Create file systems.Install software.Create a backup and recover policy.Monitor network communication.Update system as soon as new version of OS and application software comes out.Implement the policies for the use of the computer system and network.Documentation in form of internal work..Password and identity management

.Manage Servers ( AD Server, File Server, Proxy server ).Manage Multiple roles in IT..Manage server 2008 r2, 2003 and troubleshooting..Install Server 2008 r2, 2003. Exchange server 2003,2007..Install Client OS and troubleshooting Win XP, Win VISTA, Win 7 .Backup Server 2003, 2008 r2, Win XP, Win VISTA, Win 7, .Vmware workstation 7.1, Virtualizing Microsoft Servers. 2005 R2, Hyper-V..Support LANs, WANs, network segments, Internet, and intranet systems..Installation and configuration Kerio WinRoute Firewall..Maintain system efficiency..Ensure design of system allows all components to work properly together..Troubleshoot problems reported by users..Make recommendations for future upgrades..Maintain network and system security..Analyze and isolate issues..Monitor networks to ensure security and availability to specific users..Evaluate and modify system's performance..Identify user needs..Maintain integrity of the network, server deployment, and security..Ensure network connectivity throughout a company's LAN/WAN infrastructure is on par with technical considerations..Design and deploy networks..Perform network address assignment..Assign routing protocols and routing table configuration..Assign configuration of authentication and authorization of directory services..Maintain network facilities in individual machines, such as drivers and settings of personal computers as well as printers..Maintain network servers such as file servers, VPN gateways, intrusion detection systems..Administer servers, desktop computers, printers, routers, switches, firewalls, phones, personal digital assistants, smartphones, software deployment, security updates and patches.

•Establishing the networking environment by designing system configuration, directing system installation, defining, documenting and enforcing system standards.•The design and implementation of new solutions and improving resilience of the current environment.•Maximizing network performance by monitoring performance, troubleshooting network problems, scheduling upgrades and collaborating with network architects on network optimization.•The support and administration of firewall environments in line with IT security policy.•Upgrading data network equipment to the latest stable firmware releases.•The configuration of routing and switching equipment.•Remote support of on-site engineers and end users/customers during installation.•Remote troubleshooting and fault finding if issues occur upon initial installation.