Job Description

Position:Senior Directory Infrastructure engineer (Min 6+ Yrs. Exp) ONSITE (In Person Interview). Number of positions: 2 Work Address: Washington, DC 20003 looking for a senior level Directory Infrastructure Engineer for complex projects. The team is seeking experienced Directory Infrastructure Engineers with extensive expertise in enterprise identity infrastructure including Active Directory, Entra ID (formerly Azure AD), OKTA Universal Directory, and LDAP environments. The resource must have a proven track record of designing and managing complex directory services across multiple platforms with particular emphasis on the complete lifecycle management of AD domains. The ideal candidates will bring expertise in modern identity approaches including Just-In-Time access, Privileged Identity Management, and continuous validation patterns that balance security with user experience. Key Responsibilities Design, implement, and maintain enterprise directory services infrastructure Manage the complete lifecycle of AD domains including planning, deployment, maintenance, upgrades, and decommissioning Lead domain consolidation, migration, and forest restructuring projects Develop domain health monitoring and proactive maintenance procedures Create and execute disaster recovery plans for directory services Develop and maintain automation scripts using PowerShell for directory management tasks Interface with directory services using GraphAPI and REST API for custom integrations Implement and maintain security best practices for directory services Design and manage trust relationships between domains and forests Create and maintain documentation for directory architecture and operational procedures Provide escalation support for critical directory service incidents Required Qualifications 5+ years of hands-on experience with enterprise directory services (Active Directory, Entra ID, OKTA Universal Directory, LDAP) Demonstrated experience with AD domain lifecycle management including domain creation, upgrades, and decommissioning Advanced PowerShell scripting skills with demonstrable experience automating directory management tasks Proven experience with Microsoft GraphAPI and REST API integration for directory management Experience with directory synchronization technologies (Azure AD Connect, OKTA integration agents, etc.) Strong understanding of identity security best practices and compliance requirements Experience with multi-forest and hybrid identity environments Ability to design and implement complex directory architecture solutions Preferred Qualifications Relevant certifications (Microsoft 365 Certified: Identity and Access Administrator, OKTA Professional, etc.) Experience with Terraform, Ansible, or similar IaC tools for directory infrastructure Knowledge of SAML, OAuth, OIDC, and other modern authentication protocols Experience with Group Policy design and management Expertise in domain controller sizing, placement, and performance optimization Experience with domain functional level upgrades and cross-domain migrations Familiarity with CI/CD pipelines for infrastructure automation Experience with implementing Zero Trust architecture Required/Desired Skills experience with enterprise directory services (Active Directory, Entra ID, OKTA Universal Directory, LDAP) experience with AD domain lifecycle management including domain creation, upgrades, and decommissioning Advanced PowerShell scripting skills with demonstrable experience automating directory management tasks Proven experience with Microsoft GraphAPI and REST API integration for directory management Strong understanding of identity security best practices and compliance requirements Experience with directory synchronization technologies (Azure AD Connect, OKTA integration agents, etc.) Experience with multi-forest and hybrid identity environments Ability to design and implement complex directory architecture solutions Bachelor’s degree

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