Active Directory Administrator - RJLA

We are seeking experienced Active Directory Administrators to manage and secure directory and identity services for our clients across multiple locations. You will keep authentication and access systems reliable, secure, and compliant, and work closely with infrastructure teams, security staff, and client stakeholders. Key Responsibilities

• Install, configure, administer, and maintain Active Directory Domain Services (AD DS), including domain controllers, sites, and replication
• Manage user accounts, groups, organizational units (OUs), and permissions, including onboarding and offboarding
• Create, manage, and troubleshoot Group Policy Objects (GPOs)
• Administer DNS, DHCP, and certificate services (AD CS/PKI) as they relate to directory services
• Manage Azure AD / Microsoft Entra ID, hybrid identity, and synchronization (Azure AD Connect)
• Implement and support SSO, multi-factor authentication (MFA), and federation (AD FS)
• Monitor directory health, perform troubleshooting and root cause analysis, and resolve authentication and access issues
• Perform audits, access reviews, and cleanup of stale accounts, groups, and permissions
• Apply patches, hardening standards, and security controls in line with applicable government requirements
• Plan and support domain upgrades, migrations, consolidations, and disaster recovery
• Provide Tier 2/3 support and collaborate with system administrators, security teams, and client stakeholders
• Document configurations, policies, procedures, and change records

• Proven experience supporting government clients (federal, state, or local agencies)
• 4+ years of experience administering Active Directory in an enterprise environment
• Strong knowledge of AD DS, Group Policy, DNS, DHCP, and Windows Server
• Experience with Azure AD / Microsoft Entra ID and hybrid identity environments
• Experience with PowerShell scripting for automation and reporting
• Understanding of identity and access management (IAM), least privilege, and role-based access control
• Familiarity with security practices and compliance frameworks (e.g., NIST, FISMA, CJIS, STIG)
• Strong troubleshooting, communication, and documentation skills
• Ability to work independently on-site or hybrid at assigned locations

Preferred Qualifications

• Experience with AD FS, PKI/AD CS, and privileged access management tools
• Experience with Microsoft Exchange, Microsoft 365, or Intune
• Experience with AD auditing and security tools (e.g., Quest, ManageEngine, Microsoft Defender for Identity)
• Relevant certifications (e.g., Microsoft Identity and Access Administrator, MCSA/MCSE, Security+, CISSP)
• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience)
• Ability to obtain a government security clearance or pass a background check