Calogero Leggio is a founder and senior system administrator with 14+ years building resilient, cloud-native infrastructure and private clouds across Europe. He specializes in GNU/Linux and BSD operations, Kubernetes, OpenNebula/Proxmox hyperconverged stacks, Ceph/Lizardfs distributed storage, and Percona XtraDB clusters, with deep hands-on experience in automation via Ansible and IaC with Terraform. His work spans design and operation of multi-datacenter, multi-cloud platforms (OVH, GCP, Hetzner), advanced mail and web services, and SOC/IDS deployments for production security and compliance. Known for pragmatic disaster recovery planning and multi-site NAS replication, he blends engineering rigor with a passion for Free Software that started on an Amiga 1200. Based in Umbria, Italy, he runs LibreIT where he prototypes scalable, highly available services and integrates monitoring, backup, and authentication solutions end-to-end.
14 years of coding experience
5 years of employment as a software developer
Informatica, Informatica at I.P.C.T. Blaise Pascal - PERUGIA
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Calogero Leggio - Founder, Senior System Administrator