Network Administrator
Othaim Holding Company
مجموع سنوات الخبرة :9 years, 11 أشهر
• Knowledge of Cisco and Huawei network hardware and software.
• Core team member for migration of Data Center from Cisco to Huawei networking technologies.
• Thorough understanding of network and routing protocols such as TCP/IP, DNS, DHCP, OSPF and BGP, SMTP, NFS, and SIP.
• Installing, configuration and troubleshooting network routers, switches, load balancers, WLAN and security devices. Preventing unauthorized access by monitoring port traffic.
• Performing complex implementation and maintenance tasks on the LAN and WAN network infrastructure.
• Configuration and maintaining of Cisco 2504 & Huawei AC6005 WLAN controllers.
• Migrated 2000 plus VoIP users from Elastix to Huawei UC 1981.
• Core team member for migration to a new Server 2012 R2 domain, including migration of all users accounts, computer accounts, and Exchange mailboxes.
• Planned, implemented, and maintained a Windows domain-based infrastructure.
• Administering, Troubleshooting, and maintenance Active Directory, Exchange server, DNS and DHCP.
• Responsible for the path and site survey for Microwave solution, path-loss calculation, engineering design, and end-to-end transport activation.
• Collated the capacity information and configuration parameter of all the links in the network into a central database
• Microwave radio frequency planning and interference analysis to assure interference free network.
• Performing upgrades, backups, and disaster recovery operations. Documenting network configuration and operational procedures.
• Providing daily operational support and system administration for core network infrastructure.
• Responding to operational needs in a timely manner and Participating in 24x7 on-call rotations.
•Deployed new cell sites, implemented topology modification and upgrades for old sites surveyed potential cell sites
•Monitored the transmission network, trouble-shot and resolved radio faults and alarms, tested for Bit errors
•Configured Base station parameters and integrated new Base stations to the network
•Microwave radio frequency planning and interference analysis to assure interference free network
•Collated the capacity information and configuration parameter of all the links in the networks into a central database
•Design, implementation, configuration, and management of enterprise wireless hardware, software, and management systems (NMS)
•Analyzed and improved CSSR and DCR KPIs
•Responsible for the path and site survey for Microwave solution, path-loss calculation, engineering design, and end-to-end transport activation
•Roll-out management, indoor, outdoor and microwave P2P/P2MP link alignment and installation
•Provided first-level/Tier 1 technical support assisting users who have network problems
•Installing and configuring Windows Server 2012/2008 AD, DHCP, DNS
•Backup of servers and client OS, configuring E-mail accounts
•Installation, managing and troubleshooting desktops, laptops, printers, scanners and other devices present in the network
•Managed installation and troubleshooting network equipment, Cisco switches and routers
•Configuring of RIP, IGRP, EIGRP, and OSPF
•Configure LAN/WAN features
•Installation & configuration of virtualization software VMware, Virtual Box, GNS3 & Packet Tracer