Job Purpose

Wintel Administrator will be responsible for managing and maintaining enterprise Microsoft Operating System, messaging systems, identity services and virtualization platforms. The role ensures high availability, security, operational efficiency, capacity management, and service continuity of Windows Server environments, Active Directory services, Exchange/Microsoft 365 messaging platforms, and virtualization technologies across cloud, on-premises and hybrid environments.

Roles & Responsibilities

Windows Server Administration

Install, configure, administer, and maintain Windows Server environments.

Manage server lifecycle activities including provisioning, patching, upgrades, hardening, and decommissioning.

Monitor server health, resource utilization, system performance, and availability.

Troubleshoot and resolve Windows OS-related incidents and performance issues.

Manage DNS, DHCP, File Services, Print Services, DFS, and Group Policies.

Active Directory & Identity Management

Administer Active Directory Domain Services (AD DS) infrastructure.





Manage user accounts, groups, organizational units, policies, and access controls.

Configure and maintain Group Policy Objects (GPOs).

Manage Active Directory Federation Services (ADFS) and Hybrid Identity solutions.

Support Azure Active Directory (Microsoft Entra ID) integration and synchronization.

Ensure identity governance, authentication, and authorization compliance.

Messaging & Collaboration Administration

Manage Microsoft 365 tenant administration and messaging services.

Support mail flow management, transport rules, anti-spam, anti-malware, and mail security policies.

Perform mailbox provisioning, migration, archiving, retention, and recovery activities.

Troubleshoot mail delivery issues, Outlook connectivity, and collaboration services.

Support hybrid Exchange and Microsoft 365 deployments.

Virtualization Administration

Install, configure, and administer VMware vSphere, ESXi, vCenter,

📌 Wintel Administrator (Mumbai)
🏢 Larsen and Toubro
📍 Mumbai