Wintel Administrator

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Experience Required:

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Job Summary

Wintel / AD / Hyper-V Administrator

Key Responsibilities

• Monitoring
• Perform 24x7 monitoring of all servers (on-premises and hosted environments such as Microsoft O365) as per defined service baselines.
• Monitor critical parameters including:
• Server availability
• File system/partition utilization
• Memory and processor utilization
• Event and service logs
• Log valid alerts and incidents in the helpdesk system for resolution.
• Server Administration
• Install and configure operating systems on new servers.
• Create and manage login scripts, network shares, and user access rights as per policies.
• Configure and maintain DNS, DHCP, NFS, NIS, DFS roots, SFTP, and Group Policies.
• Perform system restoration, hardware troubleshooting, and resolve issues with OEM support.
• Manage file systems, space utilization, and system performance tuning.
• Automate recurring server tasks and perform scheduled maintenance.
• Analyze event logs for potential security incidents.
• Decommission servers following the defined process.
• Active Directory Management
• Manage domain controllers, AD structures, and replication health.
• Perform AD housekeeping, backup, and recovery of AD servers and objects.
• Manage Enterprise Group Policies, domains, and domain objects.
• Collaborate with internal/external teams on SSO and ADFS configuration and maintenance.
• Virtual Server Infrastructure (Hyper-V)
  

Monitoring

• Monitor virtualization host servers and VMs for availability and performance (CPU, memory, network).
  

VM Management

• Create, modify, delete, and migrate virtual machines.
• Manage hypervisors, clusters, and resource pools.
• Perform VM performance tuning, snapshot management, and data store migrations.
• Handle P2V (Physical-to-Virtual) conversions.
• Coordinate with OEM vendors for virtualization-related support and patching.
• Patch and Release Management
• Track and manage patch and firmware versions for servers.
• Perform controlled release of security patches and firmware updates quarterly or as needed.
• Coordinate with vendors for firmware updates and maintain patch configuration records.
• Follow change management procedures for patch deployment and OS version upgrades.
• Ensure patch rollout timelines align with OEM severity and customer agreement.
• Antivirus Management
• Install, configure, and maintain antivirus software on all servers and endpoints.
• Keep antivirus and antispyware definitions updated using approved tools.
• Deploy critical patches as per OEM urgency ratings.
• Mitigate malware outbreaks and document actions taken.
• Remediate virus and worm infections proactively.
  

Required Skills & Competencies

• Strong hands-on experience with Windows Server Administration (2016/2019/2022).
• Proficiency in Active Directory, DNS, DHCP, Group Policy, and File Systems.
• Expertise in Hyper-V virtualization management and troubleshooting.
• Familiarity with O365, Azure AD, and SCCM preferred.
• Experience in automation scripting (PowerShell).
• Strong analytical, problem-solving, and communication skills.
• Ability to work in 24x7 support environments.
  

Education & Experience

• 5–8 years of experience in Wintel, AD, and Virtualization administration.
• Relevant certifications such as MCSE, MCSA, Azure Administrator, or VMware/Hyper-V are desirable.