-Onboarding of Workstations and server on Windows defender ATP. -Remediation of Sensor issues (Misconfigured/Inactive) on Defender ATP Onboarding and Offboarding of Machines on Defender ATP using scripts locally, using SCCM, Azure Security Center and Intune -Creating of Hardening Policy standard for Windows Server 2012, 2016, 2019 -Remediation of Vulnerable application on workstation using PDQ -Window server 2016 administration, Identity management (active directory). Virtualization using Hyper-V -Cloud Platform Administration, Exchange Administration, Active Directory & DNS Administration, Microsoft windows Server/OS Administration, Certificate -Administration and Cloud Platform Administration -Responsible for maintaining hybrid solutions between Exchange On-Premise and Office365 for migrations to the Cloud -Performed typical administrative activities such as troubleshooting, mailbox maintenance, and end user problem resolution. -Designed, deployed, and provided maintenance support of group policy settings for centralization of configuration settings across windows workstations and servers. -Supported provision and de-provisioning of domain controllers. -Supported troubleshooting of all replication issues -Ensured optimum server performance and system performance tuning. -Managed access to servers and server-based resources including local administrator accounts and network shares, etc. -Maintained Microsoft Windows operating systems environment according to business requirements. -Supported provision of servers (installation, configuration, and deployment of Windows servers)