Led and managed end-to-end IT operations, including the design and deployment of customized Windows environments for Oracle-based Restaurant Management Systems (MICROS POS & CAL). Oversaw VMware, Hyper-V, and Active Directory administration while directing IT support (L1–L3) for 300+ users on-site and remotely. Managed and maintained biometric/RFID attendance systems, Avaya IP phones, and A/V setups. Successfully led the Exchange Online migration of 250+ mailboxes with zero downtime, streamlined onboarding by 50% through automation, and enforced IT security, compliance, and vendor management. Recognized for achieving 99.9% uptime, reducing ticket resolution time by 35%, and delivering flawless IT support during VIP and Ministry events.