Notary Office – Contagem, Brazil
2012 – Present (On-site Executive + Technical Role)
ISO 9001 certified legal institution | PQTA Diamond Award (6+ consecutive years) | 40 employees
Scope: Full organizational operational leadership, IT strategy, HR, compliance, vendor management, Infrastructure
ownership (25+ VMs)
Technical Environment: 3-node Proxmox cluster + 1 standalone node, Ceph storage cluster, 3 Proxmox Backup Servers
(ZFS aggregation) and Univention AD environment
Key Responsibilities & Impact:
Maintain 99.5%+ uptime across mission-critical systems. Achieve RPO ~15 seconds through cluster replication. Maintain
average RTO ~1 hour (target 8h). Design and implement HA for core legal systems. Deploy and manage secure VPN
access (IPsec/SSL). Oversee network segmentation and firewall hardening. Lead IT team (2 staff) supporting 40 employees.
Sustain ISO compliance with zero critical audit findings. Implement FusionPBX HA VoIP system reducing telecom costs
(~50% estimated) and Pioneer electronic legal sealing implementation (2012).
AI Infrastructure Deployment (2026)
Built on-prem AI servers and deployed Ollama environment to deploy AI-assisted document automation and workflow
optimization solutions.

1st Land Registration Office – Belo Horizonte, Brazil
2007 – Present
ISO 9001 certified | PQTA Diamond Award | 100 employees
Scope: Strategic IT architecture and governance, direct supervision of 3 IT staff and Infrastructure responsibility for 40+
VMs
Technical Environment: 3-node Proxmox HA cluster + 2 standalone nodes, Ceph storage cluster, 3 Proxmox Backup
Servers, Hybrid cloud deployments (DigitalOcean and Vultr)
Impact: Sustain 99.5%+ infrastructure availability over 18 years, maintain zero major security breaches, achieve RPO ~15
seconds via replication, design secure VPN for judicial remote access, deploy cloud workloads based on cost-performance
analysis, lead infrastructure modernization initiatives, perform proactive hardening and lifecycle patch management.