Windows & VMWare Administrator

Job Purpose:

To ensure the maintenance, configuration, and reliable operation of Windows and VMware servers supporting business-critical applications hosted across on-premise data centers and cloud infrastructure. The role involves managing virtualization platforms, system security, backups, and server performance, while driving process automation and compliance with IT security standards.

Key Responsibilities:

• Windows Server Administration:
• Install, configure, and troubleshoot Windows Server OS (2016 / 2019 / 2022) and infrastructure roles such as Active Directory, DNS, DHCP, File Server, and LDAP
• Manage Active Directory and File Server operations user creation, GPO management, replication monitoring, and quota setup
• Maintain server security through CIS Hardening, patch management, and integration with Privileged Identity Management (PIM) systems
• Use SCCM/MECM for OS patching, application deployment, and system updates
• Administer NAS-based file servers and centralized application whitelisting via Airlock
• Participate in Business Continuity Planning (BCP) and maintain servers at DR / alternate data centers
• Handle service desk tickets related to Windows server issues, perform root-cause analysis, and ensure timely closure
• VMware Infrastructure Management:
• Install, configure, and troubleshoot VMware ESXi hosts, vCenter servers, and associated virtual components
• Manage vSphere environments vMotion, DRS, HA, vSAN, vLCM, and patch deployment
• Create and maintain virtual machines, vSwitches, and VLANs; optimize performance and utilization
• Coordinate with vendors for hardware issue resolution, AMC renewals, and VMware support contracts (SnS)
• Implement and monitor backup, replication, and disaster recovery mechanisms
• Ensure VA/PT audit observation closure and compliance with internal and regulatory IT security policies

Core Competencies:

• Excellent communication and stakeholder coordination skills
• Self-motivated and proactive; ability to perform under pressure
• Adaptability to emerging technologies and virtualization advancements
• Strong troubleshooting, analytical, and documentation skills
• Functional Competencies:
• Windows Server Administration & Active Directory Management
• VMware Virtualization & vCenter Operations
• Storage (NAS/SAN) and Backup Administration
• System Hardening and Security Compliance
• Networking (Switches, VLANs, DNS, DHCP)
• Automation and Scripting (PowerShell preferred)
• Monitoring, Performance Tuning & Patch Management
• Incident / Change / Problem Management
• Documentation and Reporting

Technical Skills & Tools:

• Operating Systems: Windows Server 2016/2019/2022
• Virtualization: VMware ESXi, vCenter, vSAN, vMotion, DRS
• Management Tools: SCCM/MECM, SAM, Airlock
• Storage & Backup: NAS, SAN, DR Replication
• Security: CIS Hardening, PIM, VA/PT
• Scripting: PowerShell / Bash (preferred)

Behavioral Attributes:

• Strong ownership and accountability mindset
• Excellent time management and prioritization skills
• Team player with cross-functional coordination ability
• Committed to high availability and reliability standards
• Flexibility to work in shift duties / extended hours when required