ICT Infrastructure Engineer

China Telecom Asia Pacific; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

China Telecom Asia Pacific is seeking an ICT Infrastructure Engineer to oversee enterprise and data center operations, including network, servers, virtualization, and basic cloud environments.

The role requires a hands-on, proactive approach and the ability to resolve routine issues independently while escalating complex architectural problems as needed. Senior Engineer level is possible with leadership responsibilities in project delivery.

Qualifications

• 2–5 years ICT infrastructure experience.
• Experience in enterprise or data center environments preferred.
• Strong troubleshooting mindset and structured methodology.
• Ability to work independently with minimal supervision.
• Strong execution discipline and operational awareness.

Responsibilities

• Provide daily operational support for enterprise network and server environments.
• Handle incidents and service requests using structured root cause analysis.
• Perform routine health checks and basic performance monitoring.
• Execute change management tasks in accordance with standard procedures.
• Maintain accurate technical documentation (network topology diagrams, IP allocation records, asset inventory, change logs, SOPs).
• Coordinate with L2/L3 engineers or vendors when escalation is required.

Skills

Troubleshooting

Independent work

Operational discipline

Structured methodology

Tools

Windows Server

Linux

Active Directory

VMware

Hyper-V

Job description

We are seeking an ICT Infrastructure Engineer responsible for enterprise and data center infrastructure operations, including network, systems, virtualization, IDC physical layer, and basic cloud environments.

The ideal candidate will have strong foundational knowledge, hands-on operational capability, and the ability to independently resolve common infrastructure issues while escalating complex architectural problems appropriately.

The position may be offered at Senior Engineer level, with responsibilities including solution review, technical leadership, and guidance on project delivery.

Key Responsibilities

• Provide daily operational support for enterprise network and server environments
• Handle incidents and service requests using structured root cause analysis
• Perform routine health checks and basic performance monitoring
• Execute change management tasks in accordance with standard procedures
• Maintain accurate technical documentation (network topology diagrams, IP allocation records, asset inventory, change logs, SOPs)
• Coordinate with L2/L3 engineers or vendors when escalation is required

Network Support (Required)

• Support campus and IDC network infrastructure operations
• Perform Layer 2 configurations (VLAN provisioning, access/trunk port setup, STP troubleshooting, link aggregation basics)
• Apply foundational Layer 3 knowledge (static routing, default gateway troubleshooting, OSPF concepts)
• Assist with ACL implementation and access control troubleshooting
• Conduct structured network troubleshooting (interface counters, MAC/ARP tables, routing tables, log interpretation)
• Understand DHCP/DNS mechanisms and common failure scenarios
• Assist with firewall policy adjustments and VPN troubleshooting
• Support network device deployment, upgrades, and remediation
• Provide foundational support for Windows Server and Linux environments
• Perform routine system administration (user/permission management, service monitoring, log analysis, performance checks)
• Assist with Active Directory (user/group management, OU basics, domain join troubleshooting)
• Perform basic virtualization operations (VM provisioning, resource adjustments, snapshot management, vSwitch configuration)
• Understand virtualization fundamentals (hypervisor, host, datastore, resource allocation)
• Assist with server installation, OS deployment, and backup verification
• Understand IaaS cloud architecture concepts
• Familiar with VPC/VNet, subnetting, security groups, IAM basics, cloud VM provisioning
• Understand cloud snapshot and backup fundamentals
• Assist with hybrid connectivity troubleshooting (e.g., site-to-site VPN)

IDC Structured Cabling & Physical Layer (Basic)

• Understand structured cabling architecture (MDA/HDA/EDA concepts)
• Familiar with rack-level cable management and labeling standards
• Understand copper/fiber classifications (Cat6A, OM3, OM4) and connector types (LC, SC, MPO)
• Assist with equipment racking, patch cord management, port labeling, and remediation
• Recognize physical-layer faults and their impact on logical network issues

Qualifications

• 2–5 years of ICT infrastructure experience
• Experience in enterprise or data center environments preferred
• Strong troubleshooting mindset and structured methodology
• Ability to work independently with minimal supervision
• Strong execution discipline and operational awareness
• Above standard L1 helpdesk
• Expected to independently resolve ~70–80% of routine infrastructure issues
• Able to participate in implementation projects

This role provides a clear progression path towards Senior ICT Infrastructure Engineer or Technical Lead roles.