- Network and Data Center;- Infrastructure Administrator: HPE;- Microsoft Systems Administrator: Windows Servers, Active Directory;- Linux Systems Administrator: Debian, Ubuntu, CentOS, Red Hat;- Vmware ESXi Infrastructure Administrator;- Firewall Administrator: Linux (iptables), pfSense;- Monitoring Systems Administrator: Zabbix, Nagios;- Collaboration Suite Administrator: Zimbra;- Java EE Application Server Administrator: Tomcat, jBoss;- Backup System Administrator: Veeam, Data Protector;- Ubiquiti (Unifi) Infrastructure Administrator;- Security Systems Administrator: Sophos Endpoint, Kaspersky Endpoint Security, Avira Security System;

DevopsJavaEE Server Administrator: JBoss, Tomcat;Linux Systems Administrator: CentOS, OpenSuse;

Installation, deployment and training in infrastructure services:- Firewalls: Linux, Aker;- Network monitoring systems: Nagios, Zabbix;- Service Desk: Glpi, OcsInventory;- Network administration: Routers, Switchs;- Server administrator: Linux, Unix, Microsoft;

Systems Analyst/Developer: Embarcadero Delphi;DBA: Firebird;Client Support and Products Consulting.

- Maintenance of computers and printers;- Installation and maintenance of Microsoft Windows: Server and Desktop;- Microsoft Windows System administrator: Active Directory, IIS, print servers, file server;- Installation and management of anti-virus security systems;- Office Suite Support: Microsoft Office, Lotus;- Installation and configuration of network equipment: Routers, Switchs, ADSL modems;