The Opportunity WNTD is seeking an experienced SC Cleared Wintel/Active Directory and SharePoint Engineer to support a large-scale enterprise infrastructure environment on behalf of a leading IT services organisation. The role combines hands-on third-line Windows infrastructure support with extensive SharePoint administration, configuration and troubleshooting across a hybrid environment. With SharePoint migration activities underway, the successful candidate will play a key role in supporting and maintaining the environment following migration, resolving technical issues and ensuring service stability. Key Responsibilities Provide third-line support across Windows Server, Active Directory and associated enterprise infrastructure. Administer, configure and troubleshoot SharePoint Server (on-premises) and SharePoint Online. Support hybrid SharePoint environments, including authentication, permissions and integration with Active Directory. Investigate and resolve SharePoint issues following migration, including access, configuration, functionality and performance problems. Manage SharePoint configuration, site administration, security permissions and service availability. Troubleshoot complex Windows Server, Active Directory, Group Policy, DNS and DHCP issues. Use PowerShell to support administration, troubleshooting and automation. Work alongside infrastructure and application teams to resolve incidents and maintain operational stability. Follow established
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