Infrastructure Systems Engineer — Windows & Virtualization

Recruit Express Pte Ltd; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Recruit Express Pte Ltd is seeking an IT Infrastructure Administrator to maintain and grow our Microsoft environments in Singapore. You will manage Windows Server, AD, DNS/DHCP, Group Policy, Intune, and 365, alongside Hyper-V and RDS.

You will also handle storage provisioning, backups, DR readiness, and participate in upgrades and migrations, ensuring high availability and incident resolution with RCA for continuous service reliability.

Qualifications

• Degree in Information Technology or related sciences is required.
• 2+ years of VMware experience with knowledge of HCI, SDDC, ESX, VCenter and Hyper-V; Linux/Ubuntu servers.
• Familiarity with VMware automation (VRA, VRO).
• Hands-on knowledge in Shell, Perl, Python or PowerShell.
• Familiarity with automated security patch and vulnerabilities management.
• Experience in Active Directory, Domain Controller, DNS, DHCP, DFS, Proxy and Firewall servers.
• ITIL or similar qualification in Service Management is preferred.

Responsibilities

• Administer and maintain Microsoft infrastructure environments, including Windows Server, Active Directory, Group Policy, DNS, DHCP, Microsoft Entra Connect, Microsoft Intune, Microsoft 365, DFS, WSUS, Remote Desktop Services (RDS), and Hyper-V.
• Manage enterprise storage environments, including storage provisioning, performance monitoring, capacity management, Fibre Channel SAN administration, and storage expansion activities.
• Administer backup and recovery environments, including backup monitoring, recovery testing, restoration activities, disaster recovery support, and backup policy management.
• Participate in infrastructure implementation, migration, upgrade, and modernization projects, including installation, configuration, testing, deployment, documentation, and handover activities.
• Monitor infrastructure availability, performance, and capacity, troubleshoot infrastructure-related incidents, perform root cause analysis, and implement corrective actions to ensure service reliability.

Skills

Windows Server administration

Shell/Perl/Python/PowerShell

Patch & vulnerability management

Incident troubleshooting & RCA

Education

Degree in Information Technology or related sciences

Tools

VMware ESXi / vCenter

Hyper-V

VRA / VRO

Linux (Ubuntu)

DNS / DHCP / Active Directory / DFS

Fibre Channel SAN

Job description

Recruit Express Pte Ltd is seeking an IT Infrastructure Administrator to maintain and grow our Microsoft environments in Singapore. You will manage Windows Server, AD, DNS/DHCP, Group Policy, Intune, and 365, alongside Hyper-V and RDS.

You will also handle storage provisioning, backups, DR readiness, and participate in upgrades and migrations, ensuring high availability and incident resolution with RCA for continuous service reliability.