Senior System Administrator
CurrentInvolvement in a number of initiatives related to improved centralized and automated network management systems to meet corporate goals with minimum capital expenditure. Planned, managed, and successfully rolled out a centralized IT Data Center to meet the data communication requirements of all Al Jaber Roads Division’s project Site Offices, spread across the Abu Dhabi emirate.• Configured routers, switches, and firewalls to deploy and support LAN, WAN, and wireless networks.• Designed, Configured, mobilized, maintained, and demobilized more than 50 remote site offices IT Infrastructures with VPN access to the Data Center.• Developing maintaining and supporting network infrastructure, Server infrastructure, and data communication infrastructure• Configured and maintained the site-to-site VPN access to the remote site offices.• Design, implement, and support a multi-site Active Directory domain (500+users) using Windows 2019/2016/2012/2008.• Installing, Configuring, Hosting, and maintaining MS Exchange 2007/2013 mail server.• Administered, maintained, and supported network systems to provide consistent security, availability, and performance.• Evaluated the latest innovations and adopted cost-effective, useful solutions.• Completed reports detailing performance, costs, and downtime issues.• Requisitioned hardware and software to meet changing organizational needs.• Tested installations and updates on test servers before deployment to live environments.• Devised and implemented backup and disaster recovery processes for protecting company data.• Collaborated with helpdesk teams in diagnosing and resolving issues.
