L2 System Administrator | Windows, VMware & Cloud Operations

Position summary:

We are looking for a skilled L2 System Administrator to support Windows Server, VMware virtualization and cloud infrastructure across Azure/AWS environments. The role is responsible for incident resolution, routine administration, patching, monitoring, performance troubleshooting, security remediation and infrastructure lifecycle activities. The administrator will work closely with L1 operations, L3 Senior team and cross-functional teams to maintain infrastructure availability, meet SLAs and ensure consistent 24x7 service delivery.

Key Responsibilities:

Windows Server Operations

• Provide L2 support for Windows Server incidents, alerts and service requests.
• Administer and troubleshoot Windows Server 2016/2019/2022 environments.
• Execute approved OS patching, reboot activities and post-patching validation.
• Troubleshoot Active Directory, Group Policy, DNS, DHCP, services, event logs and performance issues.
• Support service accounts, certificates, IIS services and standard OS-level requests.
• Perform vulnerability remediation and security compliance activities as per approved procedures.
• Support backup verification and coordinate recovery activities with Backup teams.
• Global 24x7x365 support across APAC, EMEA and NLAM, working in a rotational shift-based, follow-the-sun operating model.

VMware Virtualization

• Administer and troubleshoot VMware ESXi and vCenter environments.
• Support VM provisioning, resizing, decommissioning, snapshots and routine lifecycle activities.
• Troubleshoot VM performance, host connectivity, datastore capacity and resource utilization issues.
• Support vMotion, HA and DRS operations in accordance with approved procedures.
• Execute approved ESXi/vCenter patching and post-maintenance health checks.
• Coordinate with Storage and Backup teams for VM, datastore and infrastructure issues.

Cloud Operations – Azure/AWS

• Provide L2 operational support for Azure/AWS virtual machines and related infrastructure services.
• Monitor cloud resource health, availability, utilization and alerts.
• Troubleshoot VM connectivity, startup failures, resource utilization and operating system issues.
• Support cloud VM provisioning, resizing, patching, backup validation and lifecycle activities.
• Perform approved operational tasks involving access, security groups/NSGs, disks and network connectivity.
• Monitor resource utilization and support capacity optimization and cost-awareness activities.
• Escalate complex cloud platform, networking, identity and architecture issues to L3 or Cloud SMEs.

Operations & Service Management

• Resolve incidents and service requests within defined SLAs and escalation procedures.
• Follow ITIL Incident, Problem, Change and Request Management processes.
• Support major incident restoration, disaster recovery activities and security remediation.
• Maintain runbooks, operational records, change documentation and shift handovers.
• Coordinate with L1/L3, Security, Network, Storage/Backup and Application teams.

Required Skills & Qualifications:

• 3–6 Years of experience in enterprise infrastructure operations, Windows Server administration, VMware virtualization and Azure/AWS cloud operations. 
• Global 24x7x365 support across APAC, EMEA and NLAM, including coordination and technical leadership of L1/L2 support teams.
• Strong enterprise experience in Windows Server administration.
• Hands-on expertise with Windows Server 2016/2019/2022.
• Strong VMware ESXi/vCenter administration and troubleshooting experience.
• Experience with SCCM/MECM, Microsoft Intune and Autopilot.
• Strong knowledge of Active Directory, Group Policy, DNS, DHCP and Windows security hardening.
• Experience with OS/hypervisor patching and vulnerability remediation.
• Experience with VMware HA, DRS, vMotion, snapshots and VM lifecycle management.
• Experience with endpoint patching, compliance, software deployment and device management.
• Strong Incident, Problem and Change Management experience.
• Experience managing/mentoring L1/L2 infrastructure teams.
• Strong scripting/automation skills using PowerShell, PowerShell DSC, Python or equivalent.

Preferred Skills & Qualifications:

• Microsoft AZ-800/AZ-801 or Azure Administrator certification.
• VMware VCP or AWS SysOps Administrator certification.
• Exposure to SCCM/MECM, Intune and Microsoft Defender.
• Knowledge of automation, capacity management and disaster recovery