Job Title

We are looking for a Windows Administrator for L2 support and who can be an immediate joiner.Windows Administrator for L2 support responsible for managing enterprise Active Directory environments and troubleshooting various issues.ResponsibilitiesImplement, and manage enterprise Active Directory environments including AD DS, Sites & Services, Trusts, and Schema updates.Lead advanced troubleshooting of AD replication, authentication, Kerberos, and GPO-related issues.Plan and execute Domain Controller upgrades, AD migrations, and infrastructure hardening aligned with security best practices.Perform proactive AD health checks, monitoring, and detailed Root Cause Analysis (RCA) for critical infrastructure incidents.Administer and troubleshoot Windows Server (2012 / 2016 / 2019 / 2022) including OS-level issues, performance bottlenecks, service failures, clustering issues, and system crashes.Analyze and resolve CPU, memory, disk I/O, and network latency issues; perform event log and basic crash dump analysis.Manage complete server lifecycle including provisioning, patching, upgrades, performance optimization, and decommissioning.Design and administer enterprise DNS and DHCP infrastructure including AD-integrated DNS, zone replication, scavenging, DHCP scopes, reservations, policies, and failover configurations.Ensure DNS/DHCP high availability, IP address governance, and enterprise-wide name resolution stability.Working knowledge of PowerShell to execute, modify, and troubleshoot using scripts for administrative tasks, reporting, and automation activities.Manage and administer Microsoft Azure infrastructure in hybrid environments including Azure Virtual Machines, networking (VNet, NSG, Peering), RBAC/IAM, monitoring, backup, site recovery, and Update Management.Implement and support Azure AD / Hybrid identity integrations.Administer and manage Office 365 (Microsoft 365) services including user lifecycle management, Exchange Online, SharePoint Online, licensing, security policies, and mail flow troubleshooting.Manage and support Hyper-V virtualization environment including VM provisioning, clustering, performance tuning, resource allocation, and high availability configuration.Lead Windows Server patch management lifecycle using WSUS, Patch Manager Plus, or Azure Update Management including patch planning, impact analysis, rollback strategy, and compliance reporting.Coordinate vulnerability remediation efforts and mitigate zero-day security risks in collaboration with security and compliance teams.Handle escalations from L1/L2 teams, participate in Major Incident calls, drive problem management, and ensure timely resolution of high-severity incidents.Execute infrastructure changes, participate in CAB reviews, and maintain comprehensive technical documentation, SOPs, and knowledge base articles.