Windows Administrator

Mumbai, Maharashtra, India
Mar 18, 2025
Mar 18, 2026
Onsite
Full-Time
10 - 12 Years
Job Description

We are looking for a skilled Windows Administrator with 10 to 12 years of experience in managing enterprise Windows environments, ensuring stability, security, and performance optimization. The ideal candidate should have a strong technical background in Windows Server Administration, Virtualization, Network Security, and Cloud Infrastructure Management.

Key Responsibilities

System Stability & Security

  • Monitor and enhance the stability, security, and scalability of installed Windows systems.
  • Implement robust security practices, including intrusion detection systems and vulnerability assessment (VA) closure.
  • Perform regular health checks on Windows environments to proactively detect and resolve issues.

Installation, Configuration & Upgrades

  • Install, upgrade, and configure Windows operating systems, software, and hardware.
  • Perform re-installation and restoration in case of system crashes or failures.
  • Manage patch updates, software deployments, and hotfixes to maintain system security.

Infrastructure Management & Maintenance

  • Implement and maintain Standard Operating Procedures (SOPs) for effective infrastructure management.
  • Handle user management, including setting up accounts, roles, and permissions.
  • Maintain server architecture security and create regular system backups for disaster recovery.
  • Configure server scaling, high availability (HA), and disaster recovery (DR) plans.
  • Conduct performance monitoring and tuning to optimize system functionality.

Network & Security Administration

  • Manage and configure network servers, DNS, DHCP, and Active Directory services.
  • Enforce security policies, manage firewalls, and implement access control measures.
  • Ensure compliance with enterprise security standards and maintain disaster recovery (DR) and business continuity planning (BCP) strategies.

Virtualization & Cloud Infrastructure

  • Extensive knowledge of VMware, Hyper-V, and other virtualization technologies.
  • Configure and maintain cloud infrastructure, ensuring efficient resource allocation and performance.
  • Handle cloud-based backups and disaster recovery solutions.

Technical Support & Troubleshooting

  • Provide technical support to staff and back-end system users, resolving application and workstation-related issues.
  • Troubleshoot Windows server and system errors, diagnosing issues using event logs and debugging tools.
  • Work closely with IT managers and other stakeholders to discuss system and server upgrades.

Automation & Scripting

  • Develop and maintain PowerShell scripts for automation, configuration management, and system monitoring.
  • Automate routine tasks, such as user provisioning, system updates, and performance tuning.

Collaboration & Communication

  • Work in cross-functional teams, collaborating with network engineers, security specialists, and application developers.
  • Participate in change management discussions and ensure adherence to ITIL best practices.
  • Communicate effectively with end-users and clients to provide guidance and technical support.

Skills & Qualifications

Mandatory Skills

  • 10-12 years of hands-on experience in Windows Server Administration
  • Strong expertise in Windows OS, Active Directory, DNS, DHCP, and Group Policies
  • In-depth understanding of Virtualization technologies (VMware, Hyper-V, etc.)
  • Hands-on experience with PowerShell scripting for automation
  • Proficiency in network security, firewalls, and intrusion detection systems
  • Experience with cloud platforms (Azure, AWS, or Google Cloud)
  • Strong analytical, problem-solving, and troubleshooting skills
  • Experience in disaster recovery (DR) and business continuity planning (BCP)
  • Ability to work in shifts and travel across various locations in India

Good to Have

  • Certifications in Windows Server, VMware, or Azure
  • Knowledge of Storage and SAN technologies
  • Experience with LAN, WAN, and network infrastructure
  • Exposure to patch management and vulnerability closure

Why Join TCS?

  1. Global Exposure. Work with one of the world’s leading IT companies, collaborating on large-scale projects across diverse industries. 
  2. Career Growth. Be a part of an organization that invests in your professional development and provides opportunities for continuous learning & upskilling.
  3. Innovative Work Culture. Engage with cutting-edge technologies, solving complex challenges in an ever-evolving IT landscape.
  4. Diversity & Inclusion. Experience a collaborative and inclusive work environment, promoting equality and innovation.

If you have the expertise and passion to take on this role, we would love to hear from you!

Apply Now and be a part of TCS’s journey in shaping the future of technology!