With over a decade of specialized experience in IT security, I bring distinguished expertise in managing firewalls, routers, and network security. Adept at leveraging advanced tools and methodologies to perform thorough vulnerability assessments and devising robust remediation strategies to fortify security in Windows and Linux ecosystems. My comprehensive knowledge extends to Sophos XG/UTM and a variety of other Sophos products, ensuring robust and adaptive security solutions. I am an expert in Ubiquiti firewalls and switches, implementing and managing these devices to create secure and efficient network infrastructures. Additionally, I have extensive experience in monitoring systems such as Zabbix, Nagios, and PRTG for private cloud environments, enabling proactive monitoring and swift response to any potential issues. My proficiency extends to Proxmox server configuration, ensuring seamless virtualized server management and high availability. I am well-versed in configuring Windows server roles such as Network Policy Server (NPS) and Remote Desktop Protocol (RDP) with Multi-Factor Authentication (MFA), enhancing security and access control measures. Moreover, I have a proven track record in creating excellent physical and logical network diagrams, facilitating clear communication and efficient planning. I am also an expert in vulnerability assessment tools like Nessus and Qualys, allowing for thorough security evaluations and the implementation of effective remediation strategies. I have experience with security cameras from Hikvision, Dahua, and Axis, and I am skilled with all types of NVRs, DVRs, and XDRs. Additionally, I am an expert in RTSP protocol for live feeds over the internet via router port forwarding. I have experience in Omada controller (Tp-Link). I have experience with the installation and configuration of Moodle on Windows servers.