Information Technology Engineer since 1984. System, Network, Database and Data Backup Administrator. Computer and network security. Windows/Linux Servers and workstations maintenance. (Windows Server 2019/2016/2012, Active Directory Domain Services domain controller, AWS, Windows 10/8/7, Office 365/2016/2007, Juniper VPN, Pulse Secure VPN, OpenVPN, PHP, HTML/HTML5, CSS/CSS3, JavaScript + ES6 + jQuery, Python, Java, AVR/STM embedded C, C++, Apache, Tomcat, SSL, SQL, MySQL, PostgreSQL, JavaDB, MariaDB, WAMP, LAMP, Agile, Scrum, NAS, Docker, ownCloud, nextCloud, Hyper-V, VMware, Virtualbox, All major Linux distributions, and many others).