Karim Zada Email & Phone Number

Dubai, Ae

Dubai, United Arab Emirates

Working as System Administrator at CNS (Ministry Of Health and Prevention)● Administration of On-premise IT Infrastructure consists of over 600 servers hosted in Etisalat Datacenter.● Managing VMWare vSphere virtualized environment, new server’s preparation and release as per business requirement.● Managing Active directory, DNS & DHCP servers, Group Policies, File servers and certificate services.● Administration of Microsoft 365, Azure AD, SharePoint Online, Microsoft… Show more Working as System Administrator at CNS (Ministry Of Health and Prevention)● Administration of On-premise IT Infrastructure consists of over 600 servers hosted in Etisalat Datacenter.● Managing VMWare vSphere virtualized environment, new server’s preparation and release as per business requirement.● Managing Active directory, DNS & DHCP servers, Group Policies, File servers and certificate services.● Administration of Microsoft 365, Azure AD, SharePoint Online, Microsoft Teams.● Hybrid Exchange administration for over 1200 users, mailbox migration and troubleshooting users email issues.● Cisco SMA & ESA appliance (email security gateway) management for emails monitoring and deployment of security policies.● Installing windows OS updates on servers and workstations through Microsoft SCCM on monthly basis.● Coordinating with SOC & NOC teams and fixing issues and vulnerabilities escalated by them related to servers. ● Successfully migrated over 200 windows OS servers from old domain to new domain.● Assisting ITSD & End User Support teams for any issues escalated by them related to users. Show less

Dubai, United Arab Emirates

Worked as a System Administrator at Transguard Group and some of my key responsibilities in this role were as follows.● Managing over 300 on premise servers running on VMWare vSphere clusters spanned across multiple datacenters.● Taking care of our public cloud servers hosted in Microsoft Azure and AWS.● Managing servers’ backups via Veeam backup solution and Tapes backup movement to remote site.● Microsoft 365 management for over 1600 active mailbox users, Azure AD and… Show more Worked as a System Administrator at Transguard Group and some of my key responsibilities in this role were as follows.● Managing over 300 on premise servers running on VMWare vSphere clusters spanned across multiple datacenters.● Taking care of our public cloud servers hosted in Microsoft Azure and AWS.● Managing servers’ backups via Veeam backup solution and Tapes backup movement to remote site.● Microsoft 365 management for over 1600 active mailbox users, Azure AD and escalations with Microsoft support team.● Mimecast and Symantec email security management, configuring policies and troubleshooting email issues.● Servers and systems patch management and upgrades via Microsoft SCCM.● Monitoring server’s health via Microsoft SCOM and taking necessary action.● Huawei Dorado, OceanStore and HP MSA storage management and troubleshooting.● ICT hardware and software capacity planning and budget preparation for management approval.● Analyzing and troubleshooting IT Risks reported by our Security team.● Planned and successfully upgraded IT infrastructure hardware in four remotes sites.● Organization wide domain management, security certificates renewal and installation.● Managing Kaspersky antivirus and making sure all servers and systems are secure.● Supporting staff on day to day support requests and incidents raised in our Manage Engine Service Desk as per SLA. Show less

Dubai, United Arab Emirates

Acted as a System Administrator at ETISALAT for managing and supporting our customers IT infrastructure hosted in Etisalat datacenters which comprised of over 100 servers. Managing AD, DNS, DHCP, SAN storage devices, multi backup solutions, Tape library storage, HP & Cisco UCS blade servers, Hyper V virtualized environment, SharePoint, Microsoft System Center suite. Maintenance and troubleshooting of WEB application servers, Microsoft SQL database servers, Hyper V 2008, 2012 & 2016 clusters… Show more Acted as a System Administrator at ETISALAT for managing and supporting our customers IT infrastructure hosted in Etisalat datacenters which comprised of over 100 servers. Managing AD, DNS, DHCP, SAN storage devices, multi backup solutions, Tape library storage, HP & Cisco UCS blade servers, Hyper V virtualized environment, SharePoint, Microsoft System Center suite. Maintenance and troubleshooting of WEB application servers, Microsoft SQL database servers, Hyper V 2008, 2012 & 2016 clusters, HP and Cisco switches, McAfee antivirus and servers security.● Maintenance and troubleshooting of Cisco UCS blade servers, Hyper V Hosts and virtual machines.● AD, DNS, DHCP and File servers’ installation and configuration and group policy management.● Achieved 99.99 uptime on all production servers and applications as per agreed SLA with our customer. ● Monthly windows updates installation on all servers to enhance server’s security and performance.● Monitoring server’s health in SCOM and taking necessary remediation’s.● Server’s Antivirus installation, policy definition updates and servers’ security enhancements.● Microsoft SQL database and SharePoint server’s management and users support as per request.● Dell EMC and HP MSA SAN storage management and troubleshooting in case of any issues.● Server’s backup’s management through Microsoft DPM and Veeam backup solution and backup’s verification.● Tape Library storage management for server's backups archiving as per customer requirement. Show less

Dubai, United Arab Emirates

As a System Administrator, I was leading the process of windows & Linux servers’ installation and configuration, AD, DNS and DHCP server’s management, troubleshooting, IP reservation for network devices, Hyper V host server’s management, and monitor VM’s in Hyper V manager to ensure all VM server’s seamless functioning.Some of my other major responsibilities included Servers backups and recovery through Veeam backup solution, HP SAN and NAS storage management, windows patches… Show more As a System Administrator, I was leading the process of windows & Linux servers’ installation and configuration, AD, DNS and DHCP server’s management, troubleshooting, IP reservation for network devices, Hyper V host server’s management, and monitor VM’s in Hyper V manager to ensure all VM server’s seamless functioning.Some of my other major responsibilities included Servers backups and recovery through Veeam backup solution, HP SAN and NAS storage management, windows patches installation and servers software and hardware upgrades. I was responsible for managing Fortinet firewalls, HP SAN & core switch configuration, managing on-premise ERP servers (AX & Oracle Linux) and facilitate the MS Dynamics AX and Oracle ERP servers, user access rights and support.A few highlights of my experience include the following:● Planned and successfully migrated on premise IT Infrastructure to Etisalat Data-center without interrupting operations.● Successfully upgraded the Host servers, SAN Storage and NAS storage hardware within stringent time line.● Ensured continuous enhancements in IT infrastructure (Systems & Network) security, functionality, and completeness.● Achieved 100% up time on all business-critical servers and application by proactive monitoring and timely maintenance.● Led IT Operations in absence of IT head, led multiple IT Projects and guided/supported other project members as needed.● Controlled the health of Active Directory, applied and modified the GPOs for different types of policies.● Credited as a successful champion to cascade and implement company strategic goals and policies within IT department. Show less

Dubai, United Arab Emirates

Throughout my career engagement with SkyTelecom, I maintained and troubleshoot Active directory server, Microsoft Exchange 2013 servers, and user’s management, network-related issues escalated by the L1 team, routers and switches configuration. I have produced and analyzed the reports on daily and weekly basis and reported to the IT Director.I was tasked to develop, train, and direct NOC and contact center team, provide full technical support to more than 100 internal employees on… Show more Throughout my career engagement with SkyTelecom, I maintained and troubleshoot Active directory server, Microsoft Exchange 2013 servers, and user’s management, network-related issues escalated by the L1 team, routers and switches configuration. I have produced and analyzed the reports on daily and weekly basis and reported to the IT Director.I was tasked to develop, train, and direct NOC and contact center team, provide full technical support to more than 100 internal employees on ticketing system. Along with that, I also monitored local and international transactions through Cash Collector and Transfer-To portals and made follow ups with vendor and service providers (Etisalat, Transfer-To and Technobiz) as needed.My most notable accomplishment in this position are as follows:● Monitored internal network, updated servers’ patches; configures and troubleshoot routers, switches, wireless access points, and printers, as well as managed group policies, and antivirus definitions updates.● Served as a NOC team leader for the proactive monitoring of Kiosk machines deployed at retailer’s outlets, and supervised the process. Kiosk machine configuration for new customers and addressed customer reported issues.● Managed mobile devices through IBM MaaS360, and Kochar Device Max.● Integrated and implemented a new ticketing system – a new integrated service to meet SLA requirements.● Led the configuration and troubleshooting of HP 3530 switches, Fortinet FortiGate firewalls, and Cisco routers and switches. Show less

Dubai, United Arab Emirates

Being a Technical Support Engineer, I was responsible for troubleshooting, and resolving hardware, software, and network connectivity issues for over 60 customer servers, internal servers, routers, switches, firewalls and workstations. I introduced detailed solutions to issues affecting IT services, responded to all customer-reported issues within SLA either remotely or by visiting customer sites and provided 1st/2nd and 3rd level support for Windows servers, routers, switches, firewalls, and… Show more Being a Technical Support Engineer, I was responsible for troubleshooting, and resolving hardware, software, and network connectivity issues for over 60 customer servers, internal servers, routers, switches, firewalls and workstations. I introduced detailed solutions to issues affecting IT services, responded to all customer-reported issues within SLA either remotely or by visiting customer sites and provided 1st/2nd and 3rd level support for Windows servers, routers, switches, firewalls, and other network devices.Following are some of Key Achievements:● Installed, maintained, and troubleshoot different routers, switches, and other network devices at customer sites.● Monitored network devices, routers, switches, firewalls, via Traverse as well as network traffic, activity, capacity & usage to ensure continued integrity and optimal network performance.● Troubleshoot Windows 2008 and 2012 servers, MS Exchange 2010/2013 servers and outlook related issues, also maintained active directory, group policies, patch updates, and antivirus definitions for all customer servers.● Expertly handled evolving challenges associated with the IT automation and proactive monitoring of servers and other devices via Kaseya and Traverse and implementing necessary remediation. Show less

Ras Al Khaimah, United Arab Emirates

I was able to successfully competed with all technical challenges associated to the deployment of LAN with Cisco switches, wireless AP, printers, scanners, desktops, and advanced configuration of Cisco switches, routers, and firewalls for LAN and WAN connectivity. I configured their IT infrastructure from scratch for a new start up, managed the procurement of servers, routers, switches, wireless AP, CCTV systems, Avaya IP Phones and PABX systems and configured AD, DNS, DHCP, email system etc… Show more I was able to successfully competed with all technical challenges associated to the deployment of LAN with Cisco switches, wireless AP, printers, scanners, desktops, and advanced configuration of Cisco switches, routers, and firewalls for LAN and WAN connectivity. I configured their IT infrastructure from scratch for a new start up, managed the procurement of servers, routers, switches, wireless AP, CCTV systems, Avaya IP Phones and PABX systems and configured AD, DNS, DHCP, email system etc. Internet connection and configured everything from scratch.Key Achievements as IT Supervisor are as follows:● Defined and implemented security processes through group policy objects and organizational units; installed CCTV surveillance system, the configuration of DVR, NVR, analog, and IP cameras.● Installed, configured, and troubleshoot Microsoft outlook and webmail for all users; managed client workstations, their internet connectivity, and system backup and restore.● Oversaw all Windows servers’ health, patches updates, hardware resources and backups and restoration.● Ensured optimum security of servers, laptops, desktops and other network devices within LAN. Show less

Islamabad,Pakistan

As a network support engineer, I acquired and utilized hands-on experience in installing, configuring, maintaining, supporting and optimizing network devices and related software as well as developed in-depth understanding TCP/IP based network environment and administrating Network monitoring system and IOS upgrades on network devices.Following are some contributions from my first experience: ● Configured and troubleshoot VLANS, inter-VLANS and implemented security in VLANS.●… Show more As a network support engineer, I acquired and utilized hands-on experience in installing, configuring, maintaining, supporting and optimizing network devices and related software as well as developed in-depth understanding TCP/IP based network environment and administrating Network monitoring system and IOS upgrades on network devices.Following are some contributions from my first experience: ● Configured and troubleshoot VLANS, inter-VLANS and implemented security in VLANS.● Implemented layer 2 redundancy and VLAN load sharing via HSRP, VRRP and GLBP protocols.● Deployed spanning tree optimization for loop free and fault tolerant network operations. ● Implemented layer 2 and layer 3 ether channels via PAGP and LACP protocols. ● Deployed Multi-layer switch (MLS) as DHCP server and MLS connectivity in WAN. ● Configured and troubleshoot access control lists (ACL) & network address translation (NAT).● Provided detailed solutions to customer for Internet as well as VPN connectivity according to the type of service available. Show less