Sr. System Administrator Windows-AD

Job Title: Sr. System Administrator Windows-AD

Location: Remote

Type: Full Time

Job Description:

• Creation and management of directory infrastructure
• Domain Controller Management, Policy monitoring and compliance.
• Secure remote administration of the DCs and member servers managed by the Infrastructure Group.
• Perform AD Site preparation, Organizational Unit (OU), Users and Groups, and Group Policy management. And Domain Controller Management.
• Monitoring and reporting associated with the reliability and security of the domain.
• Physical security of the domain controllers in IT Division space and oversite for all domain controllers
• Backups and restores on domain controllers
• Full disaster recovery plan and practice recovery of DCs and core Directory objects. Group Policy Object (GPO) creation, troubleshooting, and management
• Publishing resource objects from their OU hierarchy in the Active Directory as applicable
• Manage Group Policy Object (GPO) links within their OU hierarchy
• Coordinate activities of Member Server owners
• Define and administer all aspects of multiple Windows Server 2012 R2, 2016, 2019 Active Directory environments.
• Troubleshoot DNS Service and DNS resolution issues
• Assist in management and support of internal and external DNS systems
• Act as a member of the Windows Active Directory Domain Administrator Support Team in providing timely and efficient support to assigned operations
• Troubleshoot Active Directory authentication and LDAP configuration issues
• Configure and support DNS for new domain
• Work with other senior staff members to resolve escalated, complex incidents
• Continually seek opportunities to improve our existing AD and Exchange architecture
• Research acute technical problems such as inconsistent email retention, cluster communication failures, and public folder replication issues
• Work cross functional with other teams to drive initiatives
  • Use PowerShell and VBScripts to perform User and Group and Computer Object management.
  • Deploy and maintain Active Directory infrastructure (Domain Controller Lifecycle).
  • Administer and troubleshoot AD replication, Domain Name System (DNS), Windows Internet Name Service (WINS), Distributed File System (DFS), Distributed File System Replication (DFSR), Active Directory Federation Service (ADFS), Lightweight Directory Server, Lightweight Directory Access (LDS) Protocol (LDAP) connections, Kerberos and Windows Challenge Response authentication.