Jayzon Ramos

Performance-driven and results-oriented IT Professional with over 15 years of experience and with a track record of supporting global, cross-functional teams in professional environments. Demonstrates exceptional critical thinking abilities, meticulous attention to detail, and a strong capacity to thrive in high-pressure environments. Expert in Active Directory and Microsoft Entra ID (formerly Azure AD) administration, Microsoft 365 administration, with extensive experience in identity management and IT Security administration.

Sr. Infrastructure Architect - Manulife Data Services Inc. - Full-time Remote

(2021-01)

SME / Level 3 POC for Active Directory and Entra ID across Asia; member of the Global CyberSecurity Team.

• Service owner for Active Directory, domain controllers, DNS, GPO, Entra ID, MFA, ADFS, Quest RMAD (Recovery Manager for AD) and Quest Change Auditor.
• Plan, design, install, configure and maintain AD infrastructure; lead domain controller migrations, sizing, optimization and schema extensions/upgrades.
• Develop and deploy Windows Server hardening policies based on Qualys recommendations; present production changes in CAB and follow ITIL change management processes (CR creation for UAT and production).
• Conduct Active Directory troubleshooting, RCA and incident reporting; author and maintain technical documentation and project proposals to improve processes and operations.
• Collaborate with Wintel, Network, Application teams and vendors; manage daily requests and incidents via ServiceNow and participate in disaster recovery activities.

IT Security Administrator - Citco International Support Services Philippines Inc. ROHQ

(2017-08 - 2020-12)

SME and Level 3 support as a member of the Citco IT Security Global Team; service owner for Active Directory, Domain Controllers, RMAD (Forest Recovery) and Quest Spotlight/Active Administrator.

• Planned, designed, installed and maintained Active Directory environments; led migrations, schema upgrades, DNS and Group Policy management.
• Developed and enforced server and endpoint hardening policies based on CIS benchmarks for Windows Server, Windows 10, MS Office and browsers.
• Prepared project proposals, technical documentation and ITIL-based change orders for UAT and production deployments.
• Led AD troubleshooting, root-cause analysis and domain controller sizing/optimization; collaborated with cross-functional teams and vendors on projects.
• Administered and provided shift support for security platforms including IBM QRadar, McAfee ePO, CrowdStrike, Palo Alto, Symantec Elastica, CA Identity Manager, Centrify, PRTG and others.

Wintel and Active Directory Lead - Essilor Shared Services Philippines Inc.

(2016-12 - 2017-06)

Led Wintel and Active Directory services for the AMERA region (Asia, Middle East, Russia and Africa), providing architecture, project delivery and 24/7 operations support for local IT teams and business units.

• Member of the Global Active Directory Design Team; drove a domain consolidation initiative and Windows Server 2016 upgrades as part of a single-domain strategy across AMERA.
• Managed lifecycle and optimization for 500+ servers (physical and virtual), executing consolidation and replacement plans to improve availability and reduce technical debt.
• Planned and executed regional support projects including NPS and GPO network profile rollout, infrastructure and security assessments for newly acquired entities.
• Maintained technical documentation, presented project proposals to stakeholders and enforced IT/security policies to meet compliance and audit requirements (ISMS, ADRAP).

Team Lead / Windows Platform Architect - Zuellig Pharma Asia Pacific Ltd. Phils., ROHQ

(2013-03 - 2016-11)

Technical lead for the Windows Platform team, overseeing daily operations, SLA-driven incident management and Level 3 support across APAC.

• Planned and executed the Active Directory upgrade from Windows Server 2003 to 2012 across 12 countries, improving security and supportability.
• Led cloud migrations to AWS and Microsoft Azure and deployed Office 365 with directory synchronization for CRM Online; implemented ADFS and Zscaler for secure access and web filtering.
• Managed server sizing, optimization and lifecycle activities; coordinated disaster recovery drills and continuity planning for critical systems.
• Provided technical consultation to business units and partners, managed vendors and contributed to OPEX/CAPEX planning and procurement.

B.S. - Computer Engineering - Polytechnic University of the Philippines, Sta. Mesa, Manila (1998-06 - 2003-05)