Senior System Administrator
Asfour Crystal International
مجموع سنوات الخبرة :21 years, 10 أشهر
• Plan and design OS selection, upgrade and adoption.
• Plan and design systems selection, upgrade and adoption.
• Establish system specifications by conferring with users; analyzing workflow, access, information, and security requirements; designing system infrastructure.
• Meet financial requirements by submitting information for budgets; monitoring expenses.
• Monitor, control and enhance security policies for systems, servers, messaging and communication.
• Monitor and control systems, storage and security for efficiency, performance and SLA compliance.
• Develop, maintain and perform operational procedures and ensure operational tasks are performed reliably and consistently to reduce the risk of unplanned outages.
• Ensure high availability and acceptable levels of performance of mission critical host computer resources.
• Develop procedures to maintain security and protect systems from unauthorized use, acts of nature and user abuse.
• Manage the data center and computer host systems including hardware and software.
• Stay updated with technological developments in systems administration technology.
• Monitor, control and enhance implementation plans for servers and systems.
• Participate in establish system by planning and executing the selection, installation, configuration. Testing of PC and server hardware, software, LAN and WAN networks, and operating, and system management systems; defining system and operational policies, and procedures.
• Upgrade system by conferring with vendors and services; developing, testing, evaluating, and installing enhancements and new software.
• Design and monitor execution of disaster recovery plans for systems and software.
• Participate in planning and designing security policies.
•Strong experience with VMware Technologies-ESXi hypervisors Servers also upgrade them, Vcenter, VSphere, VMware View (VDI) managing & troubleshooting, Thin APPS and Thin Clients.
•Very strong experience with all Windows server platforms (2000, 2003, 2008, 2012) emphasis on Active Directory environment and Services such as applying group policy, DNS, DHCP, ADRMS.
•Good experience in Unified Communications MS Exchange (2007, 2010, 2013) and Lync 2010.
•Strong Experience in Microsoft System Center Family (SCCM, SCOM, SCSM, DPM).
•Very good experience in Microsoft Forefront Family (TMG and previous version of ISA, Exchange Protection Endpoint).
•Experience in setting up, managing and troubleshooting Microsoft Database (SQL Server, MySQL).
•Strong Experience with Linux Systems installing, managing, and troubleshooting (Redhat, Centos, SUSE, Ubuntu).
•Strong Experience in open source projects based on windows and Linux (Aglifant, Redmine, etc…)
•Very Good knowledge of WAN/LAN configurations, wireless technology and internet firewalls.
•Establishes system specifications by conferring with users, analyzing workflow, access, information, and security requirements; designing system infrastructure.
•Establishes system by planning and executing the selection, installation, configuration, and testing of PC and server hardware, software, LAN and WAN networks.
•Manage user, Computer, and Group accounts in a Server 2000, 2003&2008 Active Directory-based environment.
•Design, Implement, Configure, Troubleshooting and Manage Active Directory, DNS, DHCP, WINS, IIS and Terminal Services.
•Usual administrative tasks (Active Directory management, remote access Management).
•Planning, Implementing and administering TMG.
•Planning, Implementing, and Administering, ISA Server (2000, 2004&2006) services, monitoring servers and Microsoft firewall and VPN.
•Implementing, Installing, Configuring and Administrating a Microsoft windows (95, 98, ME, 2000 professional and server, XP professional, Windows Vista and Windows 7).
•Prepare for and Implement Disaster Recovery Solutions, also implementing and configuring Antivirus program.
•Installing and Implementing MS Exchange 2007 and 2010.
• Handling calls for EgyNet customers.
• Troubleshooting the Network over the phone (Frame Relay: connectivity between banks and companies and DSL problems :( ADSL&SDSL).
• Handling customer's inquiries completely and accurately.
• Working under oracle application CRM (customer relationship manager).
• Resolve customer's complaints and problems.
• Observing the agents, solve all kind of problems facing the agents or the work.
•Install DSL, configuring routers and DSL Support.
•Network administrator & Technical support.
•Maintaining software of routers.
•Install DSL, configuring routers and DSL Support.
•Network administrator & Technical support.
•Handling and troubleshooting calls for customer's problems.
•Installing and configuring windows server 2000.
•Designing and Installing Active Directory.
•Installing and Configuring Windows 2000 Professional and Win XP.
•Implementing, Configuring and Installing ISA 2000 Server.
•Troubleshooting and Solving normal Users problems.