Top functies
Systems
Security
Network/Telecom
Miscellaneous
Handled level 2 incidents and supported junior technicians for effective resolution. Maintained and updated over 80 Windows and Linux servers with uptime over 99.9%. Managed identities and access using on-prem AD, Azure AD, and Entra in a hybrid environment. Configured and monitored Sophos firewalls to enhance network security. Monitored endpoints with Bitdefender Central and Sophos InterceptX, significantly reducing critical alerts. Resolved backup incidents across multiple platforms (Veeam, Asigra, Ashay, Nakivo, Active Backup).
Managed the full IT infrastructure (classrooms, print shop, staff). Implemented a ticketing system and a secure VPN. Strengthened network security using IPCop firewall and active cyberthreat prevention. Trained users in Linux system administration (Suse, Debian, Apache, etc.). Supervised IT purchasing and hardware upgrades.
Provided technical support for 1,200 users (VDI, Android, MS Office, AutoCAD, etc.). Diagnosed and resolved RDP session issues in a VMware Horizon VDI environment. Managed Veeam backups, SafeQ printing systems, and Trend security console. Administered AD and Exchange, including GPO management.
Implemented GLPI ticketing system to structure IT support workflows. Migrated 200 workstations (hardware and OS) over a 6-week period. Strengthened Active Directory security by auditing accounts and refining GPOs. Managed Hyper-V and VMware environments and network equipment (Watchguard, UNIFI, HP switches). Administered on-prem and Azure Active Directory.
Worked as a consultant in a hospital, assisting the internal systems administrator in managing a 250+ server infrastructure. Deployed around 50 virtual servers under VMware and ensured full configuration. Configured ManageEngine PAM to secure RDP/SSH access to internal servers. Created PowerShell scripts to automate NTFS permission corrections on sensitive files. Monitored daily backups with Veeam and resolved backup failures. Managed users, groups, and GPOs via Active Directory.
Systems & Network Administration Certificate