Job Description – Windows L3 System Administrator (Terraform & Cloud Automation)
Job Summary
The Windows L3 System Administrator is responsible for advanced administration, engineering, automation, and support of enterprise Windows Server environments across on-premises and cloud platforms. This role serves as the highest technical escalation point for Windows infrastructure, driving automation through Terraform, supporting cloud-native deployments, ensuring platform stability, and leading complex troubleshooting, migration, and modernization initiatives.
Key Responsibilities
Provide L3-level support for Microsoft Windows Server environments (2016, 2019, 2022 and later versions).
Act as the final escalation point for complex Windows OS, Active Directory, and infrastructure-related incidents.
Design, deploy, and maintain highly available Windows server infrastructures.
Develop and manage Infrastructure as Code (IaC) solutions using Terraform.
Create and maintain reusable Terraform modules for cloud and on-premise infrastructure deployments.
Automate server provisioning,
configuration, and infrastructure lifecycle management.
Support Microsoft Active Directory, Group Policy, DNS, DHCP, DFS, and Windows Failover Clustering.
Lead Windows OS upgrades, patching, security remediation, and lifecycle management activities.
Implement and support cloud infrastructure on Azure and AWS using Terraform and automation tools.
Administer virtualization platforms including VMware and Hyper-V.
Perform performance tuning, capacity planning, and system optimization.
Manage enterprise backup, disaster recovery, and business continuity solutions.
Troubleshoot server, storage, networking, and application-related issues.
Collaborate with application, database, network, cloud, and security teams on infrastructure solutions.
Drive security hardening initiatives and ensure compliance with corporate and regulatory requirements.
Lead Major Incident Management (MIM), Root Cause Analysis (RCA), an
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