Senior Windows & VMware System Administrator

Job Title: Senior Windows & VMware System Administrator

Location: Andheri (West), Mumbai, Maharashtra

Company: XcellHost Cloud Services Pvt. Ltd.

Employment Type: Full-Time | On-Site

Experience Required: 3–5+ Years

Notice Period: Immediate to Short Notice Preferred

Job Summary

XcellHost Cloud Services Pvt. Ltd. is seeking an experienced Senior Windows & VMware System Administrator to manage, support, and optimize enterprise-grade Windows and virtualized infrastructure. The ideal candidate will possess strong hands-on expertise in Windows Server administration, VMware virtualization, Active Directory, server patching, monitoring, backup & recovery, and ITIL-based operations, supporting mission-critical systems across global environments.

This role requires excellent troubleshooting capabilities, strong communication skills, and the ability to work in a 24x7 global support model.

Key Responsibilities

Server & Infrastructure Management

• Administer, support, and maintain enterprise Windows Server environments hosted globally.
• Manage Windows Server platforms (2003–2019), including installation, configuration, performance tuning, and troubleshooting.
• Support VMware-based virtualized infrastructure, including VM provisioning, upgrades, and maintenance.
• Perform server patching, OS upgrades, and automation activities to ensure system stability and compliance.
• Manage and support TSPlus environments.

Security, Compliance & Directory Services

• Administer and support Active Directory, including GPOs, DNS, and DHCP services.
• Perform vulnerability remediation, cipher hardening, and security compliance activities.
• Resolve RDP certificate issues and participate in OS hardening initiatives.
• Manage Splunk installations, VMware Tools upgrades, and security-related system enhancements.
• Support audit, compliance, and regulatory requirements in enterprise environments.

Monitoring, Backup & Recovery

• Configure and manage SCOM monitoring and alerting to ensure proactive issue detection.
• Manage backup and recovery operations using Acronis and ensure data integrity.
• Perform recovery testing and support disaster recovery (DR) activities as required.

ITSM & Operational Support

• Handle Incident, Problem, and Change Management activities using ServiceNow.
• Provide L2/L3 offshore support and participate in on-call rotations.
• Analyze recurring issues and prepare Root Cause Analysis (RCA) documentation.
• Ensure timely resolution of incidents in accordance with SLAs.

Collaboration & Knowledge Sharing

• Conduct Knowledge Transfer (KT) sessions for internal teams.
• Collaborate with global stakeholders and cross-functional teams.
• Mentor junior team members and promote best practices within the team.

Required Skills & Technologies

Technical Skills

• Windows Server Administration (2003–2019)
• VMware Virtualization
• Server Patching & Automation
• Active Directory, GPO, DNS, DHCP
• SCOM Monitoring & Alerting
• Backup & Recovery Tools (Acronis)
• PowerShell Scripting (Basic to Intermediate)
• TSPlus Administration

Tools & Platforms

• Zoho Desk / Zoho Text

Soft Skills

• Strong communication and client coordination skills
• Excellent troubleshooting and analytical abilities
• Strong documentation skills (RCA, SOPs, KT)
• Team-oriented mindset with mentoring capabilities
• Ability to work in a 24x7 global support environment

Education

• Bachelor’s Degree in Information Technology (B.Sc. IT) or equivalent

Preferred Qualifications

• ITIL Foundation Certification
• Experience in banking, financial services, or large enterprise environments
• Exposure to compliance-driven, audit-heavy infrastructures