Atos

Active Directory Admin with Azure AD

Atos

Mumbai, Bangalore & Chennai

Experience 10+ years
Posted 3 hours ago
10+ years Level

We are hiring for an on-premises Active Directory Administrator with Azure AD experience.

Location: Mumbai, Bangalore & Chennai

Experience: 10+ years

Notice period: Immediate to 60 days

Primary skills: On-premises Active Directory, Azure AD, Azure AD Connect, ADFS and PKI

Job Summary

The successful candidate will design, implement, secure and maintain identity and certificate-based authentication solutions across hybrid environments.

Key Responsibilities

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 combining on-premises Active Directory and Entra ID.
  • Configure Azure AD Connect, Cloud Sync, Seamless SSO and Password Hash Sync.
  • Implement Conditional Access, MFA and Identity Protection.
  • Support certificate-based authentication with Entra ID.
  • Monitor sign-ins and security logs.

ADFS

  • 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.

Preferred Certifications

  • SC-300 (Identity & Access Administrator)
  • AZ-104 / AZ-305
  • Windows Server or security certifications

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