Dear Hiring Manager, I am an experienced IT infrastructure, system, and network administrator with extensive hands-on experience managing enterprise Windows environments, Microsoft 365, Active Directory, Azure, networking, virtualization, and cybersecurity solutions. My expertise includes designing, deploying, securing, and maintaining reliable IT infrastructures for corporate environments. I focus on proactive monitoring, system hardening, backup automation, endpoint security, vulnerability management, and fast remote troubleshooting to minimize downtime and improve business continuity. I have completed professional training and certifications in Microsoft, Cisco, Azure, cybersecurity, digital forensics, and networking, enabling me to deliver practical and secure IT solutions. My goal is not only to solve technical problems but also to build stable, secure, and scalable IT environments for every client. ===Core Experience=== Microsoft Infrastructure * Windows Server 2012/2016/2019/2022 Administration * Active Directory (AD DS) * Group Policy (GPO) * DNS, DHCP, WDS, WSUS, DFS * IIS Web Server * Hyper-V Virtualization * PowerShell Administration * Storage Management & Server Migration * VPN & Remote Access * Windows Server Security Hardening Microsoft 365 & Azure * Microsoft 365 Administration * Exchange Online * Microsoft Entra ID (Azure AD) * Microsoft Teams * SharePoint Online * OneDrive Administration * User & License Management * Azure Virtual Machines * Azure Infrastructure Deployment Network Administration * Cisco Routing & Switching * MikroTik Router Configuration * VLAN Design & Implementation * TCP/IP, DNS, DHCP * VPN Configuration * Network Troubleshooting * LAN/WAN Infrastructure * Network Performance Optimization Cyber Security * Wazuh SIEM Deployment & Monitoring * Security Monitoring & Log Analysis * Windows Security Hardening * Vulnerability Assessment * Patch Management * Endpoint Protection * Kaspersky Endpoint Security * Backup & Disaster Recovery * Incident Analysis & Security Best Practices Virtualization * VMware * Microsoft Hyper-V * Oracle VirtualBox Database Administration * Microsoft SQL Server * MySQL * Oracle Database * MongoDB Digital Forensics & Analysis * Wireshark * Autopsy * FTK Analyzer * The Sleuth Kit Remote IT Support * Remote Desktop Support * Windows, Linux & macOS Troubleshooting * System Maintenance * Performance Optimization * User Onboarding & Offboarding * Remote Monitoring & Management (RMM) * Technical Documentation Professional Tools * Power BI * Microsoft Project * SAP Crystal Reports * Cisco Packet Tracer * GNS3 * OPNET Riverbed Modeler * Microsoft Print Server