Senior ICT Infrastructure Engineer | Network & M365 Specialist

Ambition Singapore; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Ambition Singapore is seeking an experienced ICT Engineer to support and maintain IT infrastructure, network services, Microsoft 365, and end-user computing environments on campus. You will ensure stable ICT operations, resolve technical issues, and drive improvements across infrastructure services.

Key responsibilities include managing LAN/WAN, Wi‑Fi, firewalls, VPN, and endpoint management, along with administering AD/Entra ID and group policies.

Qualifications

• Diploma or Degree in IT, Computer Science, or a related discipline.
• Minimum 5 years of experience in IT infrastructure, network administration, and technical support.
• Hands-on experience with Microsoft 365, Active Directory/Entra ID, networking, and endpoint management.
• Strong troubleshooting, problem-solving, and stakeholder management skills.
• Certifications such as CCNA, Fortinet, Microsoft, ITIL, or equivalent will be advantageous.

Responsibilities

• Support and maintain network infrastructure including LAN/WAN, Wi‑Fi, firewalls, VPN, routing, switching, DHCP, and DNS.
• Administer Microsoft 365, Active Directory, Entra ID, Group Policy, and endpoint management solutions.
• Troubleshoot infrastructure, network, and endpoint issues and perform root cause analysis.
• Support classroom, computer lab, examination, and campus operations.
• Coordinate with vendors on infrastructure maintenance, support, and improvement projects.
• Maintain technical documentation, operational procedures, and security controls.

Skills

IT infrastructure

Network administration

Microsoft 365

Active Directory/Entra ID

Endpoint management

Troubleshooting

Stakeholder management

Education

Diploma/Degree in IT or CS

Tools

LAN/WAN

Wi‑Fi

Firewalls

VPN

Routing

Switching

DHCP

DNS

Active Directory

Microsoft 365 Admin

Job description

Ambition Singapore is seeking an experienced ICT Engineer to support and maintain IT infrastructure, network services, Microsoft 365, and end-user computing environments on campus. You will ensure stable ICT operations, resolve technical issues, and drive improvements across infrastructure services.

Key responsibilities include managing LAN/WAN, Wi‑Fi, firewalls, VPN, and endpoint management, along with administering AD/Entra ID and group policies.