Experienced IT professional with a proven track record in Linux system administration and server management, adept at resolving complex technical issues and ensuring seamless operations. My expertise includes:Virtual Machine Support: Handling user queries and troubleshooting via calls and service desk ticketing tools.Linux Administration: Installation, configuration, and maintenance of Red Hat, CentOS, and Ubuntu servers.Storage Management: Proficient in LVM (Logical Volume Manager) for LV creation, deletion, extension, and reduction.System Maintenance: Installing, configuring, updating, and supporting RHEL, SQL, and client systems.Security and Troubleshooting: Resetting Linux root passwords, troubleshooting kernel panics, LVM, SSH issues, and more.Performance Monitoring: Proactively monitoring servers to address high CPU/RAM utilization and disk space issues.Patch Management: Upgrading and patching Linux servers according to vulnerability assessment reports.Time Synchronization: Configuring NTP servers and clients for accurate time synchronization.Security Enhancements: Setting up SSH key-based authentication for secure access.Database Administration: Installing, optimizing, and troubleshooting MariaDB, MySQL, and PostgreSQL servers.High Availability: Configuring database servers for replication and ensuring data integrity.Web Server Management: Handling Apache and Tomcat servers on virtual machines.SSL Certificate Deployment: Deploying SSL certificates on web application servers.Environment Setup: Configuring Red Hat Linux servers for production, staging, and test environments.Application Support: Installing and managing application software on designated servers.File System Management: Creating and managing application and database file systems using volume managers like LVM.Server Maintenance: Performing OS upgrades, applying patches, and resolving server issues.

Experienced IT Infrastructure Professional proficient in managing and optimizing diverse systems and networks. Skilled in overseeing day-to-day operations, network administration, and security implementations to ensure seamless IT functionality. Specialized expertise includes:Operational management of IT infrastructure encompassing network, hardware, operating systems, and security protocols.Configuration and administration of Sophos XG Firewall, ensuring robust security through rule creation, log monitoring, and SSL VPN management across LAN and WAN environments.Expertise in Microsoft Outlook installation, configuration, and email backup procedures.Proficient in troubleshooting and managing both local and network printers.Administration of Google Workspace, including user and group management, policy implementation, and mail log searches.Installation and management of Linux servers (RHEL, CentOS, Ubuntu), involving configuration of disk partitions (LVM, SWAP, RAID).Monitoring server performance and addressing issues related to resource utilization (RAM, CPU, disk space).Deployment, configuration, and administration of security measures and monitoring tools on Linux platforms.Design, implementation, and troubleshooting of Apache webservers on various Linux distributions.Expertise in data backup strategies using Rsync and tar utilities.Hands-on experience with AWS cloud technologies (EC2, Route53, S3, RDS).Installation and management of server configurations including DNS, FTP, NTP, DHCP, HTTP, Apache, NFS, and SAMBA.