Senior System Administrator – Windows & VMware Infrastructure

Key ResponsibilitiesSite Ownership & Leadership

• Act as the primary administrator for one site, ensuring high availability, performance, and security of systems
• Serve as the technical escalation point for Windows and infrastructure-related issues
• Guide and support other engineers on Windows Administration best practices
• Coordinate with internal teams, vendors, and management for infrastructure planning and issue resolution

Windows Server & Active Directory Administration

• Administer and maintain Windows Server environments
• Manage Active Directory (AD), GPOs, DNS, DHCP, and user access controls
• Handle server provisioning, upgrades, migrations, and decommissioning
• Perform root cause analysis for recurring system issues

Virtualization (VMware)

• Manage and support VMware ESXi and vCenter infrastructure
• Oversee VM lifecycle management, capacity planning, and performance optimization
• Ensure stability and availability of virtualized environments

IIS & Application Support

• Administer and maintain IIS web servers
• Support hosted applications and troubleshoot IIS-related issues
• Coordinate with application teams for deployments and performance tuning

Backup & Disaster Recovery

• Own backup and recovery operations using Veeam and/or Veritas
• Ensure backup schedules, monitoring, verification, and reporting
• Perform restoration activities and support disaster recovery drills
• Maintain backup policies and documentation

Patch Management & Compliance

• Manage WSUS for server and system patching
• Ensure timely deployment of security updates and patches
• Support compliance and audit requirements related to system patching and backups

Office 365 (Basic Administration)

• Handle basic Office 365 administration, including:
• User and license management
• Mailbox administration
• Basic troubleshooting for Exchange Online, Outlook, and Teams
• Coordinate with vendors or cloud teams for advanced O365 issues

Monitoring, Documentation & Support

• Monitor system health, logs, alerts, and performance metrics
• Maintain SOPs, architecture documents, and operational runbooks
• Provide L3-level support for infrastructure incidents
• Participate in change management and planned maintenance activities

Required Skills & Expertise

• Strong hands-on experience in Windows Server Administration
• Expert knowledge of Active Directory, GPO, DNS, DHCP
• Solid experience with VMware virtualization
• Proven expertise in Veeam / Veritas backup solutions
• Hands-on experience with WSUS patch management
• Basic administration experience in Office 365
• Strong troubleshooting, documentation, and communication skills

Preferred / Good-to-Have Skills

• Experience handling site-level ownership
• Exposure to audits, compliance, and ITIL processes
• Basic understanding of networking concepts
• Experience mentoring or guiding junior engineers

Education & Certifications

• Bachelor’s degree in IT / Computer Science or equivalent experience
• Preferred certifications (not mandatory):
• Microsoft Windows Server certifications
• VMware (VCP)
• Veeam Certification

Experience Required:

Strong experience with minimum 7-10 years

Job Types: Full-time, Permanent

Pay: ₹361,728.91 - ₹900,000.00 per year

Benefits:

• Health insurance
• Provident Fund

Work Location: In person