Jonathan Tsoi Email & Phone Number

Rdigecrest, Ca

Phoenix, Az

* Administration, optimization, and act as an escalation point for internal and external teams for Active Directory (accounts, groups, computers, AD Forests, Domains, Trusts, DNS, Group Policy and Organizational Units) and Windows Servers.* Monitoring of system performance and daily log files for potential system or security issues for systems in on-premise datacenters, Azure, and AWS. * Analyzed systems to decommission unneeded ones and documented actions to form accurate Asset Inventory List.* Documented processes where gaps existed and created scripts to streamline and automate daily tasks.* Allied with clients’ development, network, and project management teams to test, migrate, and modernize old systems.* Reduced instability issues and outages by stabilizing and securing on-premises and cloud systems for client with security incidents, resulting in closure of numerous security vulnerabilities within 6 months.* Identified and fixed system stability and patching issues by creating standard SOPs and updating CMDB, resulting in improved documentation accuracy, increased systems stability, and efficient troubleshooting within 1 year.

Glendale, Az

* Installed and managed physical and virtual systems, including Cisco UCS Blade Server, VMware ESXi, and MS Hyper-V Host Clusters, and oversaw growth of Disaster Recovery plans and scheduled exercises. * Assisted with budgeting on system upgrades and with replacement of aging hardware.* Mentoring, assisting, and acting as an escalation point for the System Administrator I.

Glendale, Az

* Managed User Account lifecycles in Active Directory and mailboxes in Exchange. * Administered Windows based servers and associated software applications in highly virtualized environment. * Installed, maintained, configured, and computed hardware and software in compliance with standards. * Upgraded hardware and software and monitored system performance on time and within budgetary constraints. * Setup development environments with proper specifications to deliver integration and improve business value.

Glendale, Az

* Administered all user facing equipment, including desktop, laptops, and printers. * Implemented MS SCCM with Endpoint Protection to streamline, automate, and reduce cost of maintaining various systems, and implemented package deployments for automation to upgrade software deployed to users. * Migrated MS SCCM package and formed custom OS deployments to meet various department needs in imaging process. * Managed configuration and integrity of hardware and software in compliance with standards established by business. * Created, upgraded, and migrated several servers, including Print Server, patch management, and image management. * Provided 2nd and 3rd tier support for all Help Desk support issues and triaged tickets before escalating them to teams.

Bachelor Of Science (B.S.), Hotel And Restaurant Management

Activities and Societies: Attended Hanzehogeschool Van Groningen, School of Facility Management in Groningen, The Netherlands as part.

Associate In Applied Science, Computer Information Systems