Merakey Jobs

10775 – Sr. Engineering Systems Administrator (Active Directory)

Location – Fountain Valley, CA

Essential Functions:

• 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.

  Requirements:

• 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.

  Certifications:

• MCSA preferred

• MCSE preferred

Salary Range - $98,060 - $151,008

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