Senior ICT Infrastructure Engineer – Networks & Security

AMBITION GROUP SINGAPORE PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

Ambition Group Singapore Pte. Ltd. is seeking an ICT Engineer to support, maintain, and improve the organisation's IT infrastructure, network services, systems, and end-user computing environment.

This role works closely with internal stakeholders and vendors to ensure reliable, secure, and efficient ICT operations that support business and academic activities. The ICT Engineer will be responsible for troubleshooting, project involvement, and maintaining documentation and security controls.

Qualifications

• Strong analytical, troubleshooting, communication, and stakeholder management skills.
• Degree in Information Technology, Computer Science, Engineering, or related discipline.
• Experience with enterprise networks, Microsoft 365, Active Directory and endpoint management.

Responsibilities

• Support and maintain network infrastructure (LAN/WAN, wireless, firewalls, VPN).
• Monitor performance, troubleshoot issues, and perform root cause analysis.
• Administer Microsoft 365, Active Directory, Entra ID, and endpoint management.
• Support server infrastructure, virtualization, backups, patch management, and endpoint security.
• Provide technical support for users, classrooms, and campus operations.
• Escalate complex incidents and service requests as needed.
• Maintain ICT documentation, standards, and records.
• Support ICT security controls, vulnerability remediation, and audits.
• Coordinate with vendors to deliver ICT services.
• Participate in infrastructure upgrades, migrations, and projects.

Skills

Analytical thinking

Troubleshooting

Communication

Stakeholder management

Education

Bachelor's degree in Information Technology / Computer Science / Engineering

Tools

Microsoft 365

Active Directory

Entra ID

Endpoint management

DNS/DHCP/VPN

Job description

Ambition Group Singapore Pte. Ltd. is seeking an ICT Engineer to support, maintain, and improve the organisation's IT infrastructure, network services, systems, and end-user computing environment.

This role works closely with internal stakeholders and vendors to ensure reliable, secure, and efficient ICT operations that support business and academic activities. The ICT Engineer will be responsible for troubleshooting, project involvement, and maintaining documentation and security controls.