سيد عرفان

IT Network Supervisor

HLG

البلد: الإمارات العربية المتحدة - دبي
التعليم: بكالوريوس,
الخبرات: 16 years, 6 أشهر

الخبرة العملية

مجموع سنوات الخبرة :16 years, 6 أشهر

IT Network Supervisor في HLG

الإمارات العربية المتحدة - دبي
أشغل هذه الوظيفة منذ نوفمبر 2011

Administration of Catalyst switch 2950, 2960, 3550, 3560, 3750, 4500 switches.
• Responsible for configuration & maintenance of Cisco 800, 3640, 2800 & 1800 router.
• Monitor the implementation of all IT Security Systems.
• Implement traffic filters on Cisco routers using Standard and Extended access-list.
• Administration of HP Procurve switches 5300xl, 2900xl 3com switches.
• Set up VLANs and configure dot1q trunk.
• Configure, maintain and troubleshoot Ether channels.
• Configuration Of VSS and FHRP protocols.
• Provide WAN, LAN, VLAN, NAT support including installation and maintenance to users in a unified network communication environment.
• Configuration & maintenance of DHCP servers for Avaya phones & End users.
• Configuration & maintenance for a group of high availability DNS servers.
• Configuration of Dot1x Radius for secure login for users to Wi-Fi network.
• Review the performance parameters for all Network Elements

Project IT Administrator في Leighton Contracting

الإمارات العربية المتحدة - أبو ظبي
نوفمبر 2007 إلى نوفمبر 2011

Project IT Administrator, Nov 2007 - Nov 2011

Accountabilities:

 Focused on IT Service, Supplier Management, Demand Management and rendered onsite service delivery.
 Led a team of 5 IT Engineers and IT Help Desk Engineer.
 Involved in design & management of IT infrastructure, policies & procedures based on project requirements.
 Maintained updated Assets Registers, incident log and monitored day to day Engineer activities.
 Troubleshot, administered & supported Windows 2003, 2008 Server and MS Exchange on Dell hardware.
 Implemented layer 2 & layer 3 securities, Port security, installed & configured AAA Server, Windows XP, and Vista.
 Focused on site to site VPN configuration (PIX 515E), DNS and Active Directory.
 Administered & configured Exchange server 2007, Windows 2008 Server & sites, Symantec Backup Exec 10d.
 Coordinated VLAN, Qos implantation across sites, configured & managed Cisco router switches.
 Installed & configured Wireless Access Point.
 Troubleshooting technical issues; maintained backup up & recovery of servers.
 Defined security policy for router, switches and servers.
 Liaised with users with regards to IT Training.