Identity Engineer - Active Directory
Core
Administer, secure, and support enterprise directory services and Public Key Infrastructure (PKI), focusing on Microsoft Active Directory Certificate Services (AD CS) and hybrid directory architecture.
Role type
Identity Engineer (Active Directory & PKI)
Builds
Secure, reliable identity infrastructure underpinning authentication, encryption, and trust across the enterprise.
Domain
IT Infrastructure / Identity Management / PKI
Required skills
Active Directory administration, PKI management, Certificate Lifecycle Management, Azure AD Connect/Entra Connect, PowerShell scripting, Python scripting, SSL/TLS management, Kerberos/NTLM troubleshooting, Group Policy management, LDAP administration
Preferred skills
Hybrid identity architecture, SIEM integration, Compliance frameworks (SOX, PCI-DSS, NIST, ISO 27001)
Technologies
Microsoft Active Directory, Microsoft Entra ID, Azure AD Connect, AD CS, PowerShell, Python, REST API, SSL/TLS, Kerberos, NTLM, LDAPS
Responsibilities
Administer and maintain Active Directory Certificate Services (AD CS) including root and issuing certificate authorities. Manage the end-to-end certificate lifecycle including issuance, renewal, revocation, and expiration monitoring. Administer and maintain directory services including forest/domain architecture, replication health, and schema management. Manage hybrid identity synchronization via Azure AD Connect/Entra Connect. Support Microsoft Entra ID administration for certificate-based authentication and conditional access. Configure and manage SSL/TLS certificate deployment for servers and applications. Troubleshoot complex directory and certificate-related connectivity issues. Develop PowerShell and Python scripts to automate certificate issuance and directory reporting. Monitor and analyze AD CS, directory, and network logs for incident response. Apply directory and PKI security best practices to support compliance frameworks. Partner with Security, Infrastructure, and Application teams on directory architecture changes and migrations.
