Job Description :
Active Directory design and architecture (forests, domains, trusts)
Group Policy (foundational concepts such as linking, filters, troubleshooting)
Windows Server (understand roles and features, services, troubleshooting)
Security (understand role-based access control, principle of least privilege, server hardening)
Active Directory troubleshooting (repetitive account lockouts, issues with apps connecting to Active Directory, permissions and delegation, replication troubles, performance issues)