Active Directory Administrator

Job description

!!! We are hiring for on premise Active Directory with Azure AD !!! Location: Mumbai, Bangalore & Chennai Experience: 10+ years Notice period: Immediate to 60 days Primary Skills: On prem AD, Azure AD, Azure AD connect, ADFS & PKI Interested candidate can share their updated resume to jeffania.deny@atos.net Job Summary: The successful candidate will design, implement, secure, and maintain identity and certificate-based authentication solutions across hybrid environments. Key Responsibilities include: Active Directory & PKI (AD CS): • Design, deploy, and manage Enterprise PKI infrastructure • Manage Root CA, Issuing CA, and Offline CA models- Troubleshoot PKI issues- Perform CA hardening, backup, and disaster recovery testing NDES / SCEP: • Deploy and manage NDES for device certificate enrollment- Integrate NDES with Intune, third-party MDMs, and network devices- Configure registration authority policies and security • Troubleshoot SCEP enrollment failures and renewal issues Azure Entra ID (Azure AD): • Manage hybrid identity environments (On-prem AD + Entra ID)- Configure Azure AD Connect / Cloud Sync, Seamless SSO, and Password Hash Sync- Implement identity security features such as Conditional Access, MFA, and Identity Protection • Support certificate-based authentication with Entra ID • Monitor sign-ins and security logs ADFS (Active Directory Federation Services): • Design and manage ADFS infrastructure- Configure claims-based authentication and relying party trusts- Manage ADFS certificates for service communication, token-signing, and token-decrypting • Troubleshoot authentication and federation issues • Plan and perform ADFS upgrades and migrations Certifications: • SC-300 (Identity & Access Administrator)- AZ-104 / AZ-305- Windows Server / Security certifications are preferred.