Federico Ubeda Abregu

Served as the primary escalation point (Tier 4) for critical Microsoft 365 and Exchange issues across the Americas, resolving high-impact technical problems and guiding root-cause analysis.

Led Microsoft 365 Message Center operations, planning and deploying feature updates and changes for over 800,000 users, ensuring seamless integration and minimal disruption.

Provided technical and career mentorship to engineers and administrators across the Americas time zone, enhancing team capability and knowledge transfer.

Architected infrastructure solutions for end-user services with a focus on Microsoft technologies, including Exchange, Intune, and M365 integrations.

Acted as a strategic advisor to leadership, contributing to the technology roadmap and long-term service strategy. Managed email security via Proofpoint, including policy tuning and incident response.

Administered and troubleshot Entra ID / Azure AD, Conditional Access Policies, Sign-in / Audit logs, API permissions and hybrid identity configurations.

Specialized in Microsoft Purview, Defender for O365, and MDM (Outlook Mobile, Intune), some of the projects and tools worked on are Data Loss Prevention, Anti-Spam/Phish/Malware policies, eDiscovery, Holds and Retention Policies, Labels, RBAC, TLS, vulnerable Apps/versions block and others.

Developed and maintained PowerShell scripts to automate administrative tasks and improve operational efficiency.

Maintained Exchange Server 2016/2019 for correct SMTP enablement and functioning, vulnerability remediation and performance monitoring.

Collaborated on staffing and project planning, ensuring resources aligned with strategic goals.