Freelancer profile translated to English.
Back to original languageAbout Luis Antonio
Active Directory and Exchange Server specialist with over 13 years of experience in enterprise and government environments for up to 8,000 users. Expert in migrations, high availability, security, and Windows server hardening. Proficient in Hyper-V, VMware, and Horizon 8, automation with PowerShell, and hybrid architecture design with Microsoft 365. I provide reliable solutions to optimize infrastructure, ensure operational continuity, and prevent critical failures, available for specific projects and monthly support.
Spanish
Native or bilingual
English
Conversational
Can work on-site
Ciudad de México (up to 50km)
Experience
- Bdrive ITMicrosoft Solutions Architect / AdministratorTECHDecember 2024 - Today (1 year and 8 months)Ciudad de México, MexicoResponsible for the architecture, administration, and modernization of Microsoft platforms in critical public sector environments. Management of Active Directory and Exchange Server for over 8,000 users, ensuring high availability, security, and compliance.Design of hybrid architectures with Microsoft 365, implementation of DAGs, DR, and Windows server hardening. Automation with PowerShell, 24/7 critical incident management, and technical leadership of L2/L3 teams.Key achievements: migration to Exchange Server SE, 70% reduction in recovery times, and stabilization of critical environments.
- BanobrasExchange Architect / DR & InfrastructureBANKING AND INSURANCEDecember 2024 - Today (1 year and 8 months)Ciudad de México, MexicoDesign and implementation of Exchange Server SE architecture in a hybrid setup with Microsoft 365. Creation of high-availability DAGs and Edge servers on Windows Server 2025.Redesign of mail infrastructure, cross-site flow validation, and administration of over 8,000 users. DR implementation reducing recovery times by 70%.Automation of user and mailbox management, ensuring business continuity with no data loss.
- Secretaría de BienestarActive Directory & Exchange SpecialistPUBLIC SECTORDecember 2024 - Today (1 year and 8 months)Ciudad de México, MexicoRecovery and stabilization of infrastructure after a ransomware incident. Complete redesign of Active Directory, restoration of trust relationships and GPO policies.Optimization of Exchange Server 2016, resolving critical availability failures. Implementation of security controls and coordination with network and cybersecurity teams.Achievements: full environment recovery, 60% reduction in critical incidents, and significant improvement in service availability.
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Education
- Engineering in Technology ManagementVirtual University of the State of GuanajuatoIngeniería en Gestión de Tecnologías
- Professional Technician in Administrative Informatics.College of Professional Technical EducationProfesional Técnico en Informática Administrativa.