10775 – Sr. Engineering Systems Administrator (Active Directory) - Hyundai Autoever America

• Administer and maintain Active Directory (AD) infrastructure, including domain controllers, replication, group policies, organizational units (OUs), and user/group management.
• Create, modify, and delete user accounts, groups, shared drives, and organizational units in Active Directory. Manage permissions, access rights, and security group memberships.
• Design, implement, and troubleshoot Group Policy Objects (GPOs) for user and computer configurations across the organization.
• Manage Azure AD configuration, including security policies, SSO, application integration, account synchronization, and MFA
• Manage multiple O365 tenants, including migrations, account policies, OneDrive, SharePoint Online, Teams, MPIP, and mobile device management.
• Implement and enforce security protocols for user authentication, access control, and password policies. Regularly audit AD permissions to ensure compliance with internal security standards.
• Perform regular health checks on Active Directory, identifying and resolving any performance or security issues. Ensure high availability and proper replication between domain controllers.
• Develop and maintain Active Directory backup and disaster recovery plans. Ensure regular system backups and conduct recovery tests to verify AD system integrity.
• Provide timely resolution for Active Directory-related incidents, including login failures, replication issues, and DNS problems. Investigate and resolve complex technical issues.
• Work closely with other IT teams (e.g., Networking, Systems, Security) to plan and implement solutions for various enterprise-level initiatives.
• Document AD processes, configurations, and troubleshooting steps.
• Plan and execute Active Directory migrations and upgrades with minimal downtime.
• Administration and management of Windows Servers through full life cycle.
• Support and adhere to change management process.
• Perform scripting of administration tasks and reporting using PowerShell.
• Develop and maintain technical documentation describing the environment.

• BA/BS in IT, Computer Science, etc., or equivalent directly-related experience
• 7 years of experience in large Enterprise environments with 1000 user base and 500 servers and critical Enterprise Applications instances.
• Strong understanding of overall IT Infrastructure concepts including data center, compute, storage, networking, security, identity, DR, HA, etc.
• Advanced knowledge of Active Directory services, DNS, DHCP, SMB, Microsoft Exchange, and related technologies.
• Expert level PowerShell experience, creating and modifying custom scripts to report and perform bulk actions on AD objects, systems, and integrated technologies.
• Working experience with AD Federation Services (ADFS), Azure Active Directory, and other identity management and SSO solutions.
• Experience with hybrid environments (On-premises Active Directory and Azure AD).
• Experience with AD migration tools and best practices.
• Extensive administration of on-premises Active Directory including capture of FSMO roles and Forest/Domain level upgrades.
• Expert level technical knowledge and administration experience of Windows Server OS
• Working knowledge of Windows Server authentication methods and integration of 3rd party applications (ADFS, LDAP, SAML, OAUTH, Kerberos)
• Strong capabilities with MS Office/365 tools including Outlook, Excel, Word, PowerPoint, Visio, Teams, etc.

• MCSA preferred
• MCSE preferred

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