Alessandro Nessi System Administrator & CS Student

My Expertise

System administrator with a strong passion for cybersecurity and experience in managing IT infrastructures, networks, and open source solutions. I combine technical skills with a hands-on approach to build secure, high-performing, and scalable environments. Constantly learning, I approach every project with precision and curiosity.

Infrastructure

Experienced in building and managing IT infrastructures with open source technologies such as Proxmox and ZFS. Strong adaptability across virtualization, storage, and networking platforms, with a hands-on, problem-solving approach.

Automation & Scripting

Skilled in automating system operations with Bash, PowerShell, Python, Ansible, and Active Directory. I value efficiency, reproducibility, and minimal human intervention.

Security & Open Source

Focused on building hardened, resilient environments using open source technologies. Experienced with GNU/Linux system administration, advanced firewalling, encrypted VPN infrastructures (OpenVPN, WireGuard, IPsec), security monitoring, and network segmentation (VLANs, routing, isolation policies).