Khalid Hossain Email & Phone Number

• Experienced in managing and optimizing VMware Horizon environments to deliver seamless virtual desktop solutions. Skilled in troubleshooting complex issues, ensuring high availability, and implementing best practices for performance and security. Adept at enhancing user experiences and streamlining operations through effective problem-solving and proactive system management.• Proficiently deployed Network Configuration Management (NCM) systems on Linux platforms, overseeing seamless integration and optimization. Implemented tailored solutions, ensuring efficient network configuration, compliance, and streamlined operations.• Delivered expert-level technical support for enterprise firewall solutions, troubleshooting issues, implementing configurations, and ensuring optimal security posture.• Provided advanced technical support for VMware vSphere, ESXi, and vCenter environments. Resolved complex issues, optimized configurations, and ensured seamless virtualization infrastructure operations.• Deployed and configured IPAM solutions on Linux servers to optimize network resource management.• Configure Unifi access points, controller Server, and switches for optimal performance, taking into consideration factors like bandwidth, interference, and security.• Deployed Nextcloud, a self-hosted cloud storage solution, from scratch to a live environment. Configured the OS, integrated OnlyOffice and Collabora for enhanced document collaboration, and implemented custom SSL certificates for secure data transmission. Developed expertise in system administration, security optimization, and collaborative tool integration.• Developed a script to automate the remote backup of full virtual machines from an ESXi host. The script efficiently transfers backups to a remote host and uploads them to designated storage, ensuring data integrity and availability. Enhanced operational efficiency and reliability in VM backup processes.

Dhaka, Bangladesh

• Microsoft Exchange 2013/2016/2019.• Microsoft System Center Configuration Manager (SCCM)• Microsoft Active Directory Domain Services Configuration and Deployments• Provide technical leadership to various in-house and client-related Enterprise level projects consisting of various platforms such as Linux, VMware, Storage, etc on various Hardware e.g. HP, Dell, IBM, EVA, MSA, Compellent Storage, etc.• Develop strategies for Hosting and client Security management, Back-up and Recovery management, • Network and Infrastructure monitoring, Configuration and System Upgrade. • Develop script and Automate administrative tasks.• Prepare project plan and define critical & intermediate milestones to ensure adherence to schedule, cost & quality.• vSphere 4, vCenter, Vmotion, Fault Tolerance, P2V, Puppet, Backup, etc...• Operating System technologies like RHEL/OEL/UBUNTU/CentOS/AIX/Windows Server.• Enterprise Level Storage and Backup Configurations using Technologies such as Quantum, EMC Networker, Multi-Path MSA, Snapshot, Remote Replication, Thin Provisioning, Capacity Planning, Tiered Storage.• Lead and successfully completed Oracle 12c RAC installation, DNS configuration, Pool Configuration with RAID 10 in Dell Storage Server SCv2020, and Two IIS Server reconfiguration.• Without single error, upgraded Oracle database 11gR2 to 12cR1, Migrated Financial Database from traditional file system to ASM.• Dell SCv2020 storage server configurations for Oracle RAC.• Successfully complete Oracle 11gR2 RAC installation and Performance tuning in two Dell PowerEdge R720 Servers with Red Hat 6.6 installation and DNS configuration.• Backup/recovery (RMAN, expdp/impdp) database replication for high availability.• Storage array configuration and administration with RAID, ASM, DM-Multipath.• VPN(PPTP, L2TP, IPSEC), Routing and Switching. DNS Server Configuration.• Have Experience in Cisco, Mikrotik, Juniper Router Switches, and Firewalls.

Barisal Bangladesh

• VMware/Citrix Infrastructure Management.• Install & Configure VMware ESX & ESXi & Citrix Xen Server.• ESXi DCUI, ESXi Shell, EsxCLI. Xen Center, Xen Converter. Vmware Converter, OvfTool.• Deploy vCenter Server, vCSA Appliance, DB Backup, Restore, Deploy at Cluster with Affinity Rules.• Design & Configure vSS, vDS Switches for Management, vMotion, FT & iSCSI with Multipathing.• Deploy Active/Active Open-E SAN Storage, NAS, Bonding, Dedicated Or Storage Appliance Mode.• Install & Configure StorMagic SVA, Mirroring & Replication. Maintaining QNAP NAS Server.• Implementing HA/DRS Cluster, Fault Tolerance, vMotion, svMotion, XenMotion.• Deploying vShield App, Edge, Endpoint, Trend Micro Deep Security, Multi Tenant DMZ, PfSense, Untangle. • Infrastructure Backup With VDR, Symantec Backup Exec v-Ray Edition, Veeam Backup.• Monitoring Resource Utilization & Future Capacity Planning With vKernel vOPS, PhdVirtual

B.Sc (Hons), Computer Science

Higher Secondary Degree(H.S.C), Business Study, B

Activities and Societies: Class Coordinator. Assembly Captain. Higher Secondary Certificate in Business Studies

Secondary School Certificate(S.S.C), Business Study, A

Activities and Societies: Sports Team Captain Secondary School Certificate in Business Studies