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Windows Administrator

Ericsson
Full Timesenior
Noida, Uttar Pradesh, INPosted March 5, 2026

Job Description

Join our Team

About this opportunity:

We are looking for a skilled Windows Admin/Engineer to manage and maintain our Windows-based infrastructure in a 24x7 business-critical environment. The role involves ensuring high availability, performance, and security of Windows Servers, Active Directory, and Cloud platforms. You will work closely with cross-functional teams to support business operations, automate tasks using PowerShell, and troubleshoot complex issues. This is an excellent opportunity for a motivated professional to thrive in a fast-paced, mission-critical setting.

What you will do:

  • Perform root cause analysis for recurring Windows Server issues and implement long-term fixes.
  • Manage and configure DNS, DHCP, and WINS for network connectivity.
  • Set up and maintain high availability and failover clustering for Windows Servers.
  • Manage Windows Defender and third-party antivirus solutions for endpoint protection.
  • Implement and maintain WSUS (Windows Server Update Services) for patch management.
  • Monitor and manage disk usage, storage quotas, and disk health.
  • Create and maintain system documentation, including server configurations and change logs.
  • Manage and troubleshoot Remote Desktop Services (RDS) and terminal services.
  • Implement and manage Hyper-V environments for virtualization.
  • Ensure proper logging and auditing of system events and user activity.
  • Manage and configure Windows Firewall and network security settings.
  • Perform capacity planning and resource optimization for Windows infrastructure.
  • Develop automated processes for server provisioning and decommissioning.
  • Ensure adherence to ITIL standards for incident, problem, and change management.
  • Provide training and documentation for junior team members and end users.
  • Establish and maintain disaster recovery (DR) plans and procedures.
  • Monitor and analyze event logs to identify and resolve system issues proactively.
  • Manage and optimize Windows licensing and software compliance.
  • Troubleshoot and resolve network connectivity issues related to Windows Servers.
  • Automate security patch deployment and system hardening processes.
  • Manage encryption and data protection policies using BitLocker and EFS.
  • Knowledge of Group Policy Management and troubleshooting.
  • Collaborate with security teams to conduct regular vulnerability assessments and remediation.
  • Implement and manage Windows-based clustering and load balancing.
  • Coordinate with application teams to ensure Windows compatibility and performance.
  • Implement secure access controls using RADIUS and LDAP.
  • Optimize startup and shutdown sequences to improve boot times and system stability.
  • Manage scheduled tasks and service dependencies for operational efficiency.
  • Conduct regular performance tuning and system health checks.
  • Automate system health reporting and alerting using PowerShell and other monitoring tools.

The Skills you bring:

  • 8-15 years of experience in a large enterprise or IT environment.
  • Manage and maintain Windows Server environments (2016/2019/2022) in a 24x7 business-critical environment.
  • Administer and troubleshoot Active Directory, Group Policies, DNS, and DHCP.
  • Experience with Microsoft Defender and endpoint security.

Why join Ericsson?At Ericsson, you´ll have an outstanding opportunity. The chance to use your skills and imagination to push the boundaries of what´s possible. To build solutions never seen before to some of the world’s toughest problems. You´ll be challenged, but you won’t be alone. You´ll be joining a team of diverse innovators, all driven to go beyond the status quo to craft what comes next.

What happens once you apply?Click Here to find all you need to know about what our typical hiring process looks like.Encouraging a diverse and inclusive organization is core to our values at Ericsson, that's why we champion it in everything we do. We truly believe that by collaborating with people with different experiences we drive innovation, which is essential for our future growth. We encourage people from all backgrounds to apply and realize their full potential as part of our Ericsson team. Ericsson is proud to be an Equal Opportunity Employer. learn more.

Primary country and city: India (IN) || Noida

Req ID: 781880

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