David Khan Email & Phone Number

Verona, New York, Us

Active Directory Design and Deployment- Designed and implemented Active Directory in various configurations to suit different situations.- Developed and deployed a large-scale multi-domain forest for a managed service provider solution.VMWare Environment Support Specialist- Thoroughly supported clustered VMWare environments and actively contributed to the day-to-day operation of a multi-node VxRail system in the datacenter.- Collaborated to ensure smooth functioning of VMWare environments and promptly addressed any technical issues.Mission Critical Applications Specialist- Responsible for mission-critical applications, including software deployment through a Citrix XenApp farm, SQL database technical support, IIS technical support, and end-user technical support.- Collaborated with cross-functional teams to maintain application stability and performance, ensuring a seamless user experience.

Verona, New York, Us

Active Directory Technical Support- Provided high-level technical support for regional K-12 districts, offering expertise in all aspects of on-premise Active Directory, including Group Policy, DNS, User/Computer Accounts, and Security Groups.- Troubleshot and resolved issues related to Active Directory, ensuring smooth operations for clients.Powershell Scripting Expert- Developed multiple PowerShell scripts to automate time-consuming tasks and improve support efficiencies across server and workstation environments.- Experienced in writing PowerShell scripts and commands for Active Directory, Hyper-V, File Servers, Exchange, Azure AD, and SQL Server.Clustered Hyper-V Environment Specialist- Designed, deployed, and troubleshot clustered Hyper-V environments, ensuring optimal performance and stability.- Resolved various issues related to Hyper-V and failover clustering.- Executed numerous Hyper-V clusters builds using both 3-tiered and 2-tiered hyperconvergence methods

Verona, New York, Us

End User Technical Support Specialist - Provided on-site, customer-facing technical support, directly assisting end-users in resolving various technical issues, - Demonstrated strong interpersonal skills while delivering effective solutions to customers, ensuring their satisfaction.Windows Image Creation Expert - Managed the creation and maintenance of Windows 10/11 images, utilizing tools such as SCCM, WDS, and MDT. - Trained colleagues on image creation and management software, ensuring smooth operations and standardization across the organization.