Sr Directory Infrastructure Engineer

We are seeking a Sr. Directory Infrastructure Engineer with extensive hands-on experience in enterprise identity infrastructure, including Active Directory, Entra ID (Azure AD), OKTA Universal Directory, and LDAP. The ideal candidate will possess deep technical expertise and a proven ability to lead domain lifecycle projects from planning to decommissioning in complex enterprise environments. Key Responsibilities:
Design, implement, and maintain directory services infrastructure.

Manage AD domain lifecycle: creation, upgrades, decommissioning.

Lead migration, domain consolidation, and forest restructuring.

Develop domain health monitoring and disaster recovery plans.

Automate directory tasks using advanced PowerShell scripting.

Interface with GraphAPI and REST API for integrations.

Implement identity security best practices.

Manage domain trusts and hybrid environments.

Provide escalation-level support for critical incidents.

Maintain detailed documentation of architecture and operations. Required Skills & Experience:
5+ years in Active Directory, Entra ID (Azure AD), OKTA, LDAP .

Strong expertise in AD lifecycle and hybrid identity environments.

Advanced PowerShell scripting and automation.

Integration experience using GraphAPI , REST API .

Familiarity with Azure AD Connect , OKTA agents.

Knowledge of identity and access security compliance.

Strong architecture and troubleshooting capabilities. Preferred Qualifications:
Certifications: Microsoft Identity & Access Administrator, OKTA Professional.

Knowledge of Terraform, Ansible , or other IaC tools.

Understanding of SAML, OAuth, OIDC , and modern auth protocols.

Group Policy design, Zero Trust principles, CI/CD for infrastructure.