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Salary
≈ $19k – $54k per year (Estimated)
Location
In office (Kolkata)
Seniority
Staff · 8+ years exp
Employment
Full-Time

First seen by Alion on Oct 13, 2026.

Overview
Company
Impact
Profile match
Tata Consultancy Services (TCS) is a global leader in IT services, consulting, and digital business solutions operating as the flagship tech subsidiary of the Tata Group. Headquartered in Mumbai, India, the company delivers end-to-end capabilities spanning cloud computing, enterprise platforms, cybersecurity, and artificial intelligence to major global enterprises. Employing over 500,000 professionals across dozens of countries, it stands as one of the world's largest IT outsourcing and technology transformation partners.

Windows Administrator Lead

Windows Administrator Lead

Location: Mumbai

Experience: 8 years to 14 years

Interview Mode: Online Interview

Interview Date: 13th Oct 2026 (Tuesday)

Interview Time: 10: 00 AM to 5: 00 PM

Mandatory skill: Windows Server Administration, Active Directory (AD, GPO, DNS, DHCP

Must-Have:

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

Key responsibilities:

Technical Leadership & Operations

  • Lead and manage Windows Server environments (2016 / 2019 / 2022) across production and non‑production systems
  • Act as L3 escalation point for complex Windows infrastructure issues
  • Ensure high availability, performance, security, and stability of Windows platforms
  • Own end‑to‑end 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 multi‑domain/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

15 years of Continuous Education.

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