Experience: 10+ years
Location: Mumbai, Bangalore & Chennai
Primary skills: On Premise AD, Azure AD, Azure AD Connect, PKI & ADFS
Interested candidate share their updated resume to prabhu.v@atos.net
We are looking for a highly skilled IAM & PKI Engineer with strong expertise in Active Directory Certificate Services (AD PKI), Azure Entra ID (Azure AD), ADFS, and NDES/SCEP. The role involves designing, implementing, securing, and maintaining identity and certificate‑based authentication solutions across hybrid (on‑prem + cloud) environments.
Strong hands‑on experience with:
AD PKI / AD CS Azure Entra ID (Azure AD) ADFS NDES / SCEP
Key Responsibilities
Active Directory & PKI (AD CS) Design, deploy, and manage Enterprise PKI infrastructure Root CA, Issuing CA, Offline CA models Troubleshoot PKI issues related 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 Network devices (Wi‑Fi, VPN, firewalls) 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 Password Hash Sync / Pass‑Through Authentication Implement identity security features: Conditional Access MFA 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 Relying party trusts OAuth / SAML integrations
Manage ADFS certificates:
Service Communication Token‑Signing & Token‑Decrypting
Troubleshoot authentication and federation issues Plan and perform ADFS upgrades and migrations (including ADFS to Entra ID modernization)
SC‑300 (Identity & Access Administrator) AZ‑104 / AZ‑305 Windows Server / Security certifications

Atos Group is a global leader in digital transformation with c. 70,000 employees and annual revenue of c. € 10 billion, operating in 67 countries under two brands — Atos for services and Eviden for products.
European number one in cybersecurity, cloud and high-performance computing, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries.
Atos is a SE (Societas Europaea) and listed on Euronext Paris.
The purpose of Atos is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space.