Senior Domain Lead-AD / IDAM & Email Lead / Architect

Hi,We are having an opening for Senior Domain Lead-AD / IDAM & Email Lead / Architect at our Mumbai locationJob Summary : We are seeking an accomplished and strategic Senior Domain Lead to oversee enterprise email and collaboration systems , Active Directory (AD) , Identity & Access Management (IDAM) , and their security and cloud integrations . The role focuses on end-to-end management and security governance across hybrid environments, ensuring scalable, secure, and compliant digital identity and collaboration infrastructure.Areas Of Responsibility : Key Responsibilities : 1. Infrastructure & Operations ManagementManage daily operations for Microsoft 365 (Exchange Online, Teams, SharePoint), Active Directory (on-prem and Azure AD), and domain services.Ensure stability and performance of hybrid AD and collaboration systems through proactive monitoring and incident management.Maintain internal and public DNS, DHCP, certificates, and domain name configurations.2. Identity & Access Management (IDAM)Own the implementation and operation of IDAM platforms supporting user lifecycle management, access provisioning, and deprovisioning.Design and manage SSO, MFA, conditional access , and privileged access controls (PAM) using tools like Azure AD, SailPoint, or Saviynt.Ensure proper RBAC models, access certifications, and policy enforcement across systems.3. Email & AD SecurityStrengthen security posture of email systems by configuring and maintaining anti-phishing, DLP, spam filtering, and encryption tools (e.g., Microsoft Defender for Office 365, Mimecast, Proofpoint).Implement and maintain DMARC, DKIM, SPF , and secure mail flow policies.Lead AD security hardening , including Tiered Administration, Kerberos policies, ACL reviews, and delegation best practices.Enforce least privilege , admin