John Yi Email & Phone Number

Work full time in client site – Fairfax County Economic Development Authority and also support remotely headquarter in Maden Technologies, Inc.• Successfully migrated whole organization into Office 365/Azure infrastructure. • Manage subscription and licenses for Office 365 and Azure. Use cost management to report to executives.• Managed Azure Hybrid AD using Azure AD Connect. Implemented Conditional Access and MFA in Azure security to tighten identify and device protection.• Setup and manage SharePoint online, Team and One Drive. • Setup and manage Azure Automation to implement Windows update management using Log Analytics.• Setup and manage Endpoint Management, formally known as Intune. Established policies and rules to manage laptops, and security.• Setup Azure Enterprise Mobility + Security and Azure Identity projection via MFA and conditional access policies. • Configure and manage policies for Microsoft Defender for Office 365.• Configure and manage Azure ADD and Windows AD and implement AD group policy.• Successfully upgraded Exchange servers from 2003 to 2010. Setup and manage CAS and mailbox exchange servers.• Setup and manage Symantec email security servers include creating policies and rules and managed Symantec Endpoint management.• Setup and managed Symantec Backup and Exchange archived server and eventually migrated to Barracuda Cloud backup service.• Deployed, configured, and managed Window Server Update Services (WSUS), Deployment server, VPN/Direct Access, DHCP, DNS, File, and Print servers.• Manage both Hyper V Hyper visor and VM Ware ESXi• Deployed, configured, and managed Hyper V host machines and successfully migrated all the physical servers into virtual servers in Hyper V. • Maintain and upgrade VMWare virtual machines.

Reston, Virginia, United States

• Managed to support over 500 users, and network infrastructures for offices in Reston headquarter, Fair Oaks, Rosslyn, and off-site offices. • Responsible for maintaining backup solution and reporting. • Responsible for monitoring security threats such as virus, bots, Trojans, and worms.• Participated in a group to lead a projects for maintaining Altiris solution, i.e., Deployment server, Image server, PXE server and Helpdesk. • Managed file/print server and VMware enterprise infrastructure.• Successfully, migrated several Windows server into VMware virtual servers.