IT Infrastructure & Network Specialist [Private Education/ School Campus] - Up to $5k

The Supreme HR Advisory Pte. Ltd.; Singapore; On-site; SGD 33,000 - 56,000; Full time

Job summary

The Supreme HR Advisory Pte. Ltd. seeks an IT Infrastructure & Network Specialist to support the school’s IT backbone, troubleshooting, and ongoing maintenance across campus. Role involves hands-on network and server support, incident resolution and collaboration with vendors.

Responsibilities span network services, servers, Active Directory, patching and security; the candidate will ensure ICT reliability, compliance and smooth campus operations, including classrooms and labs.

Qualifications

• Degree in Computer Science, Information Technology or a related discipline.
• CCNA certification is preferred.
• Experience with network monitoring, troubleshooting and incident resolution; exposure to enterprise network, firewall, wireless or security environments is advantageous.
• Good knowledge of TCP/IP, VLAN, routing, switching, DHCP, DNS, VPN and network troubleshooting.

Responsibilities

• Network & Infrastructure Support: Maintain LAN, WAN, wireless, firewall, VPN, VLAN, DHCP, DNS and related services.
• Monitor network availability and performance; troubleshoot connectivity issues across classrooms, laboratories, offices and remote users.
• Assist with network configuration, segmentation, firewall policies, wireless access and secure connectivity.
• Coordinate with vendors on network, ISP, firewall, wireless and cabling matters.
• Systems & Endpoint Support: Support servers, virtualization, backup, monitoring and Microsoft 365 services.
• Assist with Active Directory, Entra ID, Group Policy, user access and endpoint configuration.
• Support patching, firmware upgrades, software deployment, endpoint protection and vulnerability remediation.
• Provide technical support for classrooms, computer labs, examinations and campus operations.
• Service Desk & Incident Support: Provide technical support and escalation for infrastructure and network incidents.
• Troubleshoot incidents, perform root-cause analysis and ensure proper documentation.
• Support incident, service request and change management processes; contribute to knowledge base.
• Identify recurring issues and recommend improvements to enhance ICT reliability.
• Security, Compliance & Operations: ICT controls relating to access management, network security, asset management and monitoring.
• Maintain operational documentation for ISO 27001, EduTrust, audits.
• Follow ICT and change management procedures.
• Support security incident response and recovery activities.
• Projects & Vendor Coordination: Support infrastructure projects like network refreshes, firewall upgrades and Microsoft 365/cloud initiatives.
• Testing, implementation, documentation and handover of new ICT solutions.
• Coordinate with vendors on implementation and support matters.
• Undertake other ICT duties as assigned.

Skills

Networking

Troubleshooting

ICT Operations

Incident Management

Education

Bachelor's degree in Computer Science/Information Technology or related

CCNA certification

Tools

Fortinet

Aruba

HPE

Cisco

Microsoft 365

Active Directory

Job description

Salary: $3,000 - $5,000

Working Days: 5 days

Working Hours: Mon-Thurs, 8.30am-6.00pm / Fri, 8.30am-5.30pm

Location: Central (relocating to Paya Lebar / Tai Seng area around Q2 2027)

Role Summary

The IT Infrastructure & Network Specialist supports the organisation's IT infrastructure, network services and ICT operations, providing hands‑on troubleshooting, incident support and infrastructure maintenance across the school campus.

Responsibilities

Network & Infrastructure Support

Support and maintain LAN, WAN, wireless, firewall, VPN, VLAN, DHCP, DNS, routing, switching and related network services.

Monitor network availability and performance, troubleshoot connectivity issues and support incident resolution across classrooms, laboratories, offices and remote users.

Assist with network configuration, segmentation, firewall policies, wireless access and secure connectivity.

Coordinate with service providers and vendors on network, ISP, firewall, wireless and cabling matters.

Systems & Endpoint Support

Support servers, virtualisation, backup, monitoring, endpoint management and Microsoft 365 services.

Assist with Active Directory, Entra ID, Group Policy, user access and endpoint configuration.

Support patching, firmware upgrades, software deployment, endpoint protection and vulnerability remediation.

Provide technical support for classrooms, computer labs, examinations and campus operations.

Service Desk & Incident Support

Provide technical support and act as an escalation point for infrastructure and network-related incidents.

Troubleshoot incidents, perform root‑cause analysis and ensure issues are properly documented and followed through to resolution.

Support incident, service request and change management processes, and contribute to knowledge base and troubleshooting documentation.

Identify recurring issues and recommend improvements to enhance ICT reliability and user experience.

Security, Compliance & Operations

Support ICT controls relating to access management, network security, endpoint security, asset management, monitoring and incident response.

Maintain operational documentation and evidence required for ISO 27001, EduTrust, internal and external audits.

Follow approved ICT, information security, access, incident and change management procedures.

Support security incident response and recovery activities where required.

Projects & Vendor Coordination

Support infrastructure projects such as network refreshes, firewall upgrades, wireless improvements, endpoint deployment and Microsoft 365/cloud initiatives.

Assist with testing, implementation, documentation and operational handover of new ICT solutions.

Coordinate with vendors on implementation, maintenance and support matters.

Undertake other ICT duties as assigned.

Job Requirements

• Degree in Computer Science, Information Technology or a related discipline.
• 5-8 years of relevant experience in IT infrastructure, network administration, NOC/SOC or IT operations.
• CCNA certification is preferred.
• Experience with network monitoring, troubleshooting and incident resolution ; exposure to enterprise network, firewall, wireless or security environments is advantageous.
• Good knowledge of TCP/IP, VLAN, routing, switching, DHCP, DNS, VPN and network troubleshooting.
• Experience with Fortinet, Aruba, HPE, Cisco, Microsoft 365, Active Directory or equivalent technologies is advantageous.
• Familiarity with ITIL, incident management, change management and service desk processes is advantageous.