I am an accomplished IT System Engineer with over 6 years of experience in managing and optimizing IT infrastructure, system support, and operations for both Linux and Windows environments. My expertise spans a wide range of technologies, ensuring robust and efficient systems that align with business objectives. At Aarong, I support IT operations across head office and branch locations, offering end-to-end support for desktops, servers, networks, and applications.Certified as a Linux System Administrator (RHCSA®) and holding additional certifications like MTCAN®. I am experienced in installing and maintaining Linux servers, handling package management, configuring web servers like Apache, and deploying monitoring tools like Zabbix and Nagios. Additionally, I manage databases such as MariaDB, MySQL, and MongoDB, and have practical experience in container technologies.Key Skills & ExpertiseIT Operations Management: Task delegation, asset management, end-user support, and process optimization.Linux/Windows System Administration: Server setup, configuration, scripting, upgrades, and package management (RPM/YUM).Network Administration: Troubleshooting, VPN setup, firewall management, and IP/CCTV systems.Web & Monitoring Tools: Expertise in Apache, Tomcat, Zabbix, and Nagios for system health monitoring.Database & Containers: Managing MySQL, MariaDB, MongoDB; working with Docker containers.Windows Support: Print server management, Office 365, Outlook troubleshooting, and MFP device support.End-User Support: Remote and onsite support for desktops, routers, printers, and other IT assets.Security & Compliance: SELinux, SSH, firewall management, and system hardening.Collaboration & Leadership: Partnering with engineers and senior management to drive infrastructure improvements."'I believe in the quality of work rather than the quantity of work"'.Contact Me to help YouEmail: mamunis.cse@gmail.com