Network Engineer

KYEC SINGAPORE PTE. LTD.; Singapore; On-site; SGD 60,000 - 120,000; Full time

Job summary

KYEC Singapore PTE. LTD. is seeking a Network Engineer to design, implement, and maintain enterprise network infrastructure across on‑prem and cloud environments. You will ensure availability, security, and performance for critical services while collaborating with IT teams and vendors.

The role requires 3+ years in enterprise networking, strong routing/switching, firewall management, VPNs, and wireless networks, with hands‑on experience in data center environments and monitoring tools.

Qualifications

• Diploma in CS/IT or networking field.
• 3+ years of IT infrastructure experience with enterprise networking.
• Experience in manufacturing/high-availability environments.
• Strong routing, switching, and TCP/IP knowledge.

Responsibilities

• Design, implement, and maintain enterprise network infrastructure.
• Configure and troubleshoot Layer 2/3 networking.
• Administer firewall platforms, NAT, ACLs, and VPN connectivity.
• Monitor performance, analyze traffic, and plan capacity.
• Plan upgrades, migrations, and disaster recovery exercises.
• Implement network monitoring and observability solutions.
• Deploy and maintain enterprise wireless networks.
• Support data center network infrastructure and cabling.
• Collaborate with IT, security, and infrastructure teams.
• Prepare and maintain network documentation and diagrams.
• Work with vendors to resolve issues and implement improvements.
• Provide guidance to junior engineers when required.

Skills

Enterprise networking

Routing & switching

Firewall management

Wireless networks

VPN technologies

Network monitoring

Data center networking

Education

Diploma in CS/IT or networking

Tools

LibreNMS

Zabbix

Wireshark

Job description

Role Summary

The Network Engineer is responsible for designing, implementing, maintaining, and optimizing enterprise network infrastructure across on-premises and cloud environments. The role ensures high availability, security, and performance of business‑critical network services by managing routing, switching, firewalls, VPNs, wireless networks, and cloud networking infrastructure.

The engineer works closely with internal IT teams, business stakeholders, and external vendors to deliver network projects, support daily operations, strengthen cybersecurity, and ensure business continuity through disaster recovery planning and continuous infrastructure improvement.

Role Responsibilities

• Design, implement, and maintain enterprise network infrastructure, including routers, switches, firewalls, wireless networks, and VPN solutions.


• Configure and troubleshoot Layer 2 and Layer 3 networking technologies.


• Administer and optimize firewall platforms, security policies, NAT, ACLs, IPS/IDS, and VPN connectivity to maintain network security.


• Monitor network performance, analyze traffic patterns, perform capacity planning, and proactively resolve network issues.


• Plan and execute infrastructure upgrades, migration projects, and disaster recovery exercises.


• Implement network monitoring and observability solutions using related tools.


• Deploy and maintain enterprise wireless networks and optimize wireless coverage and performance.


• Support data center network infrastructure, including rack installation, structured cabling, server connectivity, and cross-connect implementation.


• Collaborate with application, security, and infrastructure teams to ensure reliable and secure network services.


• Prepare and maintain network documentation, topology diagrams, standard operating procedures, and technical documentation.


• Work closely with vendors and service providers to resolve technical issues and implement infrastructure improvements.


• Provide technical guidance and knowledge sharing to junior engineers when required.

Role Requirements

• Diploma in Computer Science, Information Technology, Network Engineering, or a related discipline.


• Minimum 3 years of experience in IT infrastructure, with strong hands‑on experience in enterprise networking.


• Experience supporting manufacturing, semiconductor, or other high‑availability enterprise environments.


• Strong knowledge of enterprise routing and switching technologies.


• Experience with Cisco, Aruba, Palo Alto, Fortinet, or equivalent enterprise networking platforms.


• Strong understanding of TCP/IP, VLAN, STP, OSPF, VRF, LACP, HSRP/VRRP, NAT, ACL, and VPN technologies.


• Experience with enterprise firewall administration and network security.


• Experience deploying and supporting enterprise wireless networks.


• Familiarity with monitoring platforms such as LibreNMS, Zabbix and Wireshark.


• Knowledge of Windows Server, Active Directory, DNS, DHCP, and IT infrastructure support.


• Experience with data center infrastructure, structured cabling, and server connectivity.


• Good understanding of disaster recovery and business continuity planning.