Role & responsibilities

• Bachelors degree in computer science, IT, or a related field (or equivalent experience)

• 8-14 years of experience in Windows server administration (depending on level)

3+ years in a Lead or Senior Windows Administrator role

• Relevant certifications preferred:

• AWS and Nutanix certification is required

• PowerShell or Automation Certifications

Technical Leadership & Operations

Lead and manage Windows Server environments (2016 / 2019 / 2022) across production and nonproduction systems

Act as L3 escalation point for complex Windows infrastructure issues

Ensure high availability, performance, security, and stability of Windows platforms

Own endtoend Windows infrastructure lifecycle management

Active Directory & Core Services

Design, administer, and troubleshoot Active Directory (AD DS) environments

Manage and optimize Group Policy Objects (GPOs)

Administer DNS, DHCP, and domain services

Manage FSMO roles, AD replication, and multidomain/forest environments

Build, Patch & Security

Oversee server build, patching, upgrades, and decommissioning

Ensure compliance with security hardening standards and baselines

Support vulnerability remediation and audit requirements





Plan and execute OS upgrades and migrations

Managing Infra using Prism Central and Prism element

Automation & Monitoring

Implement and maintain PowerShell automation to improve efficiency

Ensure effective monitoring and alerting of Windows environments

Analyse performance trends and proactively address capacity risks

Coordinate with monitoring and security teams for alert optimization

Incident, Problem & Change Management

Lead resolution of major incidents related to Windows infrastructure

Perform and review Root Cause Analysis (RCA)

Drive permanent fixes and preventive actions

Review and approve change requests for Windows systems

Team & Stakeholder Management

Mentor, guide, and technically enable L1/L2 administrators

Conduct technical reviews, knowledge transfer, and training sessions

Coordinate with network, security, application, and cloud teams

Communicate effectively with stakeholders, customers, and management

Documentation & Compliance

Create and maintain SOPs, runbooks, and technical documentation

Ensure adherence to ITIL processes and SLAs

Support audits, DR drills, and business continuity activities

📌 Wintel Administrator (Mumbai)
🏢 Tata Consultancy Services
📍 Mumbai