Windows AD & Multifactor Engineer

About Atos Group

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.

We are seeking an experienced Windows AD & Multifactor Engineer to join our team at the client location in Mumbai. The candidate will be responsible for managing, securing, and optimizing the Active Directory environment, implementing and supporting multifactor authentication (MFA) solutions, and ensuring adherence to enterprise security and compliance standards.

The role requires hands-on expertise in Active Directory (AD), Group Policy (GPO), DNS/DHCP, and Identity Security controls, along with exposure to MFA solutions such as Microsoft Entra ID (Azure AD MFA), DUO, or Okta.

Key Responsibilities:

• Administer, maintain, and troubleshoot Windows Active Directory infrastructure across multiple domains and sites.
• Create, configure, and manage Group Policies (GPOs) for security hardening, desktop management, and access control.
• Implement and manage Multifactor Authentication (MFA) solutions – preferably Microsoft Entra ID MFA or equivalent.
• Handle user and group provisioning, OU structure management, and AD delegation.
• Manage and troubleshoot DNS, DHCP, and replication issues within AD environments.
• Collaborate with Security and IAM teams to ensure AD hygiene and implement least-privilege principles.
• Perform regular audits of AD and MFA configurations to ensure compliance with organizational policies.
• Support integration of applications and systems with AD and MFA solutions.
• Maintain documentation, change records, and operational runbooks.
• Participate in incident, problem, and change management processes.
• Contribute to automation and scripting efforts using PowerShell for repetitive AD tasks.

Required Skills & Experience:

• Minimum 5+ years of hands-on experience in Windows Active Directory administration.
• Strong experience with Group Policy Objects (GPOs) and security policies.
• Solid understanding of DNS, DHCP, Kerberos, and authentication protocols.
• Experience with Multifactor Authentication solutions (Microsoft Entra ID MFA, DUO, Okta, etc.).
• Knowledge of PowerShell scripting for automation and reporting.
• Experience working in enterprise-scale AD environments (multi-domain, hybrid setups).
• Familiarity with Azure AD / Entra ID, hybrid identity synchronization, and conditional access policies.
• Understanding of Identity Governance and Access Control concepts.
• Strong analytical, troubleshooting, and documentation skills.

Work Location: Mumbai(Powai)

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. 

Choose your future. Choose Atos.