Infrastructure and support administration, On-premises and Cloud. Admin Microsoft 365 (formerly Office 365), Azure, Intune, Exchange, Sharepoint, Teams, Compliance, Security, AWS (EC2, S3, Work Docs). Structured cabling, corporate wireless network, VPN; Windows Server (2012/2016/2019) and Linux (Debian / Ubuntu / Oracle Linux) servers: DHCP, DNS, WDS, Terminal Server, App Remote, Active Directory, File sharing (triage, disk quota, drive mapping) network and access permission policy), WSUS, GPO, Printing, Raid, Proxy, Firewall, Report Generator (Sarg); Asset management and inventory, Service Desk (Jira and GLPI), Webmail master, Backup and Antivirus (manageable), Telecom (VOIP and PBXIP), Virtualization, Mikrotik, Apple (MAC OS), Windows (7/10/11) and Office (2013 / 2016/2019/365). Support and resources for digital certificate, applications to personnel, accounting, legal and financial departments.