IT System Engineer (Hyper-V / VMware)

ALTROCKS TECH PTE. LTD.; Singapore; On-site; SGD 60,000 - 120,000; Full time

Job summary

ALTROCKS TECH PTE. LTD. in Singapore is seeking an experienced IT Infrastructure/Systems Administrator to manage Windows Server environments both on‑prem and in Azure.

You will oversee Active Directory, Group Policy, domain controllers, DNS, DHCP, and authentication services while implementing security best practices for access control and MFA. The role requires 5+ years in IT infrastructure or system administration with familiarity in Azure AD, Azure VMs, Backup, networking, and virtualization

Qualifications

• Diploma/ degree in IT or related field.
• Experience requirements may include 5+ years in IT infrastructure or system administration.
• Proficiency with Windows Server, Active Directory, DNS, and DHCP.

Responsibilities

• Manage and maintain Windows Server environments on‑premises and in Azure.
• Oversee Active Directory, Group Policy, domain controllers, and authentication services.
• Administer DNS, DHCP, RADIUS (NPS) and Certificate Authority (CA).
• Implement security best practices for access control, MFA, and identity management.
• Manage Azure AD, Azure VMs, Azure Backup, and Azure Networking.

Skills

System administration

Windows Server

Active Directory

DNS

DHCP

Azure AD

Azure IaaS

MFA

Identity management

IT security basics

RADIUS (NPS)

Certificate Authority (CA)

Group Policy

Education

Diploma/ Degree in IT, Computer Science, or related field

Tools

Hyper-V

Azure

NPS (RADIUS)

CA

Job description

• Diploma/ Degree in IT, Computer Science, or related field
• At least 5+ years of experience in IT infrastructure or system administration
• Experience with Windows Server, Active Directory, DNS, and DHCP
• Familiar with Microsoft Azure and hybrid cloud
• Knowledge of virtualization (Hyper‑V) and backup systems
• Basic understanding of IT security practices
• Manage and maintain Windows Server environments both on‑prem and Azure‑based
• Oversee Active Directory, Group Policy, domain controllers, and authentication services
• Administer DNS, DHCP, RADIUS (NPS), and Certificate Authority (CA)
• Implement security best practices for access control, MFA, and identity management
• Manage Azure AD, Azure VMs, Azure Backup, and Azure Networking.