IT Infrastructure & Systems Engineer

HAI LECK ENGINEERING (PRIVATE) LIMITED; Singapore; On-site; SGD 48,000 - 72,000; Full time

Job summary

You will manage Active Directory, VMware ESXi, FortiGate firewalls, and Microsoft 365 services, providing L1/L2 support and ensuring security, backups, and firmware updates.

The role requires 2–4 years in IT infrastructure with a Diploma or Degree in IT/CS, and offers a full-time position with on-site work.

Qualifications

• Diploma or Degree in Information Technology, Computer Science, Network Engineering, or a related discipline.
• 2 to 4 years of hands-on experience in IT infrastructure administration and technical support environments.
• Hands-on proficiency in Active Directory, Windows Server administration, VMware ESXi, Firewalls and Network equipment (routers, switches, NAS), and Microsoft 365 administration.

Responsibilities

• Maintain IT systems, servers, networks and Microsoft 365 for daily operations.
• Manage AD, GPOs, DNS, DHCP and core domain services.
• Administer on-premises VMware ESXi environments and storage.
• Enforce M365 security features, MFA, and access rights across tenant.
• Configure Fortinet FortiGate firewalls, security policies, SSL VPN, and threat prevention.
• Provide L1/L2 desktop support for hardware, software, and network issues.
• Oversee backups, OS patching, firmware upgrades and OS imaging.

Skills

Active Directory

Windows Server

Network Troubleshooting

IT Support

Security Awareness

Education

Diploma or Degree in IT/CS/Network Engineering

Tools

VMware ESXi

FortiGate Firewall

EDR solution

Microsoft 365 Administration

DNS/DHCP

Job description

You will manage Active Directory, VMware ESXi, FortiGate firewalls, and Microsoft 365 services, providing L1/L2 support and ensuring security, backups, and firmware updates.

The role requires 2–4 years in IT infrastructure with a Diploma or Degree in IT/CS, and offers a full-time position with on-site work.