System Administrator
Qatar Vinyl Company project from Consolidated Gulf Company (CGC)
Total years of experience :16 years, 9 Months
• Enterprise systems design and architecture.
• IBM Tivoli Backup Administration for routine backups.
• Maintaing & Configuring Linux servers running Oracle Databases.
• Enterprise level Active Directory design, implementation and support.
• Microsoft Exchange Server 2007/2013/2016 migration implementation and support.
• Advanced Group Policy design and administration for Enterprise with 100 + Ous.
• Advanced DNS, DHCP, WINS, TCP/IP.
• Server Virtualization (HyperV and VMware VSphere).
• Storage Area Network (SAN) products IBM DS3400, DELL SCV2020, Microsoft StoreSimple.
• Network Attached Storage (NAS) product Synology.
• Public folder design and architecture for organization.
• Configuration troubeshooting, supporting, installing Servers.
• Antivirus & File Server configuration & maintenance.
• Disaster Recovery planning, design, implementation and testing.
• Microsoft System Center Operation Manager (SCOM) 2012 R2.
• Windows Software Update Service (WSUS) patch management.
• Microsoft System Center Configuration Manager (SCCM) 2012 R2 cu6.
• Bandwidth management and access usage control, Troubleshooting of LAN / WAN, Data Backup and Recovery through Acronis Data Protection.
• To give Technical Support to different departments to continue workflow.
• Management, Maintenance and Troubleshooting of company’s Network deployed at different departments.
• Assessing initial set-up requirements and implementing hardware and software solutions accordingly.
• Installation of Computer Hardware, Software, Network Topology and other rudimentary Troubleshooting.
• Structural Cabling & Providing assistance to network printers.
• Windows operating system hardening.
• Giving remote support to clients with Desktop Centaral.
• Advent ManageEngine ITIL Service Based Ticket Based System.
• Provisioning and Zoning IBM Brocade SAN switches to map storage LUNs.
• Centralized Managing Virtual Infrastructure through VMware VCenter Server.
• Design and Implement Offsite Array based Replication through VMware Site Recovery Manager and Vmware Data Protection Advanced.
• Sharepoint 2013 Administration.
• Managing & Monitoring Dell LTO5 Tape library for day to day backups.
• Performance and resource monitoring of servers and network devices with opensource linux based Zabbix and Nagios monitoring servers.
• Datacenter monitoring of network devices and server in Zabbix monitoring server.
• To give Technical Support to different departments to continue workflow.
• Management, Maintenance and Troubleshooting of company’s Network deployed at different departments, Assessing initial set-up requirements and implementing hardware and software solutions accordingly.
• Installation of Computer Hardware, Software, Network Topology and other rudimentary Troubleshooting.
• Managing 150+ virtual servers on Redhat Enterprise Virtualization platform.
• Virtual Machine Administration on Redhat Enterprise Virtualization.
• Managing Virtual Machine resource through VM Live Migration & Live Storage Migration.
• Provisioning of new virtual machines through VM templates.
• Datacenter and server hardware support like IBM 3400x series, Dell M1000e Blade chassis, Dell Power Edge servers.
• Shell scripting in BASH/Python for task Automation.
• Managing Amanad Enterprise Backup for offsite backups.
• Managing and Configuring IBM Brocade SAN switches.
• Storage Administration like IBM DS-3400, IBM DS-3524, IBM v3700, Nexenta ZFS based storage, SCST, OpenE DSS.
• Performance and resource usage monitoring of servers and network devices in opensource Zabbix and Nagios monitoring servers.
• SNMP monitoring of network switches and servers.
• OpenLdap configuration and Administration with Phpldap Admin for user access rights.
• Openldap design and implementation through ldap filters and schema modification.
• Disk replacement (Root Disk / Data Disk).
• Provisioning of volumes to enlarge partion size in linux through Logical Volume Manager (LVM).
• Active migration of LVM volumes from old disk to new disk.
• NFS Configuration and administration.
• Kernel re-configuration and parameters tunning.
• Monitoring and troubleshooting with performance related issue in linux servers.
• Managing all rebooting and downtime maintenance and replacement activities of linux servers.
• Managing upgrades, installing packages and patching of linux servers and application.
• Provide training to Junior Staff.
• User Management and Administration.
• Ticket Assesment on daily basis.
• Managing Video Conferencing and chat through Openfire Communication servers.
• File System Management.
• Createing Standard Process Documents in GLPI Knowledge based tree.
• Zimbra Email Administration.
• Provisioning of new email account in Zimbra Email server.
• Disaster recovery implemented for Zimbra Email Server incase of server or disk failure.
• Managing Email Quota for email accounts and attachment restrictions.
• Managing and Restricting spam email through spamassasin and clamav.
• Performace monitoring of linux and windows servers on Zabbix and Nagios monitoring servers.
• Benchmarking of Linux servers through sysbench and fileio to test the maximum performance.
• Swap space management.
• Job Scheduling and Automating scripts and process using cron scheduler.
• Hardware Raid Configuration through LSI Mega Raid Manager.
• Software Raid configuration on linux through linux mdadm tools.
• Channel Bonding and teaming of network interfaces on linux servers based on server uptime requirements either loadbance or failover.
• Managing and controling user rights to websites & email through centralized Openldap server.
• Managing 100+ VPN branches from Sophos Manager with failover implementation.
• Storage performance tuning and optimization.
• Generating sarg based monthly internet usages reports per user.
environment.
• Involved in Linux OS Development for client machines.
• Implemented Linux based StrongSwan VPN Gateway.
• Implementing High Availability through heartbeat on Linux servers.
• Perform Network LoadBalancing of linux server through Linux LVS.
• Mail Server configuration and maintenance.
• Domain controller configuration and maintenance.
• DHCP and DNS Server configuration.
• Antivirus & File Server configuration and maintenance.
• To give Technical Support to different departments.
• Installation of Computer Hardware, Software and Network Topology.
• Providing assistance to network printers.
• Technical support for Workshops / Conferences (Audio / Video).
• Bandwidth using management & access usage control.
• Design the Network Model layout for proposed building of (CEUI).
• Website monitoring / Management / Website hosting.
• Troubleshooting of LAN / WAN.
• Data Backup and Recovery.
• Email Accounts Backup and Recovery.
• Managing application deployment through SCCM 2007.
• Managing and Provisioning of Virtual Machines in VMWare Vsphere.
• Installing and troubleshooting Linux servers & Windows servers.
• Managing Cisco ASA firewall appliance.
• Performing Client machine image backup through Symantec Norton Ghost.
• Provisioning User rights and permission from group policy.
• Bulk import of User Accounts in active directory.
• Monthly performing system state backups of Domain Controllers.
• Configure Microsoft based Radius to authenticate users for internet access.
• Designing network layouts in Microsoft Visio.
• Performance monitoring of servers with Microsoft performance Monitoring services.
• Auditing of servers.
• Quota Management to users on network home drives.