At Telefónica Tech / Vivo Telefônica Brasil, I support MAPFRE’s global enterprise environment across Tier 0 identity infrastructure and multi-domain Active Directory forests integrated with Microsoft Entra ID.
I participate in Active Directory security hardening and Microsoft security fortification aligned with Microsoft best practices and Zero Trust. I also contributed to 15 MAPFRE security projects across 15 Latin American countries, including tiered access controls, ACL Xray and Microsoft assessment remediation.
At C6 Bank, I contributed to projects resolving complex Azure support incidents and improving reliability through operational automation and monitoring. I also troubleshot Azure IaaS virtual machine issues and supported Active Directory, MFA and virtualized environments.
Earlier, I supported enterprise infrastructure and identity work at Synelience Portugal, FDS, a DXC Technology Company, Rumos IT Services and other organizations. My background includes Active Directory, authentication troubleshooting, infrastructure migrations, Microsoft security assessment remediation and backup and recovery.

