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

• 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. The Supreme HR Advisory Pte. Ltd || 14C7279 Chua Jie Ying (Cai Jie Ying), Evelynn || EA Personnel License R24120580