samer abumarkheya

1.Working on Fortigate firewall system
2.Implementing managing and maintaining a Windows Server 2008 Network Infrastructure for the Retail “branches” working on ERP System SAP B.One
3.Planning Implementing and Maintaining a Windows Server 2008 Active Directory Infrastructure for the firms
4.Installing Configuring, and Administering Cisco Internet Security PIX firewall and routers
5.Conduct daily performance checks on UNIX systems and Cisco devices (CPU) utilization, system logs, and system errors, others as required
6.Create Remedy trouble tickets for any corrective action taken for daily checks
7.Perform system maintenance on any systems requiring patching and upgrading
8.Work Remedy trouble tickets
9.Perform immediate troubleshooting as the situation dictates for any and all network outages as reported by users, sensors, and/or operational personnel
10.Maintain constant observance of network monitoring tools to facilitate quick reaction to any network outage
11.Proactively utilize network monitoring tools to isolate events before service degradation occurs
12.Configure and create replacement gear as needed
13.As a member of a team, configure, install, monitor, upgrade and maintain 250+ Point of Presence suites and networks that are protected by those suites
14.Modify firewall configuration to add new network services, remove unnecessary or expired services and enhance existing services while maintaining firewall security policy
15.Apply security patches as required
16.Updated staff about new developed security solutions.
17.Prepared statements of work and technical assessment reports.
18.Managing Samba Filing server, web apache server, mail servers, DNS server and backup server all under Linux OS
19.Connecting company branches by building VPN tunnels to Main Datacenter
20.Maintain PRI lines provided by cellular company.
21.Performing systems backup daily
22.Installing and maintain VOIP system using asterisk, panasonic

1.Wireless Networking administration
2.implementing Internet VIA Satellite connection download
3.Two Way System(Upload Download) by VSAT
4. implementing and installing Leased Lines for upload
5. ISA server on windows 2003 server, using the proxy service and firewall

1.Building All the ISP networks
2.Dialup connections for customers using Lucent Technologies RAS
3.Providing Leased Lines
4.RAS radius server implementing and maintainance.
5.DataBase servers and all communications.
6. connecting internet for long distance via cable using NTU's modems
7. building prepaid system for dialup users

1.assistant for networking administrator, part time
2.VOIP, video audio conference between PLC in Ramallah And Gaza

1.Computer maintenance Hardware and softgware.
2.POS, barcode systems installation and maintenance
3.networking installation
4. CCTV systems installation
5. wireless connections