Active Directory Engineer (Chennai)

Greetings from Maneva Job Description Job Title - Active Directory Engineer Experience - 9 - 15 Years Location - PAN India Notice - Immediate to 30 days Requirements: - We are seeking an experienced Active Directory (AD) Engineer to design, build, and operate core Microsoft Active Directory infrastructure , with a solid focus on isolated forests, segregated domains, and securitydriven directory architectures . This role is critical to enabling secure authentication, legacy containment, privilege isolation, and enterprise identity resilience.The engineer will own the lifecycle of AD forests and domains, partner with security and platform teams, and ensure directory services meet availability, security, and compliance requirements. Key Responsibilities Active Directory Architecture & Engineering - Design, build, and maintain Active Directory forests, trees, and domains , including additional and isolated forests for security or regulatory purposes - Implement resource forests, containment forests, and hardened domains for legacy protocols, privileged access, or application isolation - Design and manage interforest and intraforest trusts (oneway, twoway, selective authentication) - Plan and execute domain controller placement , site topology, and replication strategy Core AD Administration - Deploy, patch, and maintain Domain Controllers (Windows Server) - Manage FSMO roles , time synchronization, DNS integration, and SYSVOL - Administer Group Policy Objects (GPOs) for security baselines and configuration management - Manage AD objects : users, groups, computers, service accounts, and delegation models Security & Hardening - Enforce Active Directory security best practices and tiered administration models - Build privilege isolation domains for admin accounts and privileged workloads - Support initiatives such as: - Legacy protocol isolation (NTLM, RC4, LDAP signing exceptions) - Service account governance and gMSA implementation - AD attack surface reduction ( .