+ Incidents response of Active Directory, Azure AD, and OS/server tickets + Group policy administration and implementation + Reporting and review of all connectivity, synchronization, replication within Active Directory + DNS health and performance + Sites and services - Missing or incorrectly assigned subnets + NTP Reporting, configuration and accuracy + Monitoring/reporting/reviewing all metrics and changes around netlogon, NTDS Database partitions, DNS settings, SRV records, Trust relationships + Review of domain controllers, application, and security events to find any issues or trends + Work with security teams to respond to emergency or critical vulnerabilities, patching or changes as required + Response to NON-AD or believed to be AD related issues such as 3rd party application authentication issues, windows/RDP login issues, LDAP query issues, Kerberos errors, NTP errors. + Windows Server OS maintenance, Patching, Upgrades, Hardware tickets, troubleshooting + On-call rotation + Required to have flexibility in schedules - First, Second, Third shifts available The NTT DATA Services Security organization is looking for talented security-oriented Systems Administrators with strong Active Directory/Identity skills. This role will be part of a larger dedicated security team dedicated to supporting, troubleshooting, upgrading Active Directory, Azure AD and related Identity technologies.