Network Engineer

KYEC; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

KYEC in Singapore seeks an IT Infrastructure professional to design, implement, and maintain our enterprise network, including routers, switches, firewalls, wireless networks, and VPNs. You will optimize TCP/IP, VLANs, OSPF, NAT, and VPN connectivity while ensuring high availability in manufacturing environments.

You will collaborate with security, applications, and data-center teams, document topology / SOPs, and mentor junior engineers.

Qualifications

• Diploma in Computer Science, IT, Network Engineering, or related discipline.
• Minimum 3 years of experience in IT infrastructure with strong hands-on enterprise networking experience.
• Experience supporting manufacturing or high-availability enterprise environments.
• Strong knowledge of enterprise routing and switching technologies.
• Experience with Cisco, Aruba, Palo Alto, Fortinet or equivalent platforms.
• Solid understanding of TCP/IP, VLAN, STP, OSPF, VRF, LACP, HSRP/VRRP, NAT, ACL, VPN.
• Experience with enterprise firewall administration and network security.
• Experience deploying and supporting enterprise wireless networks.
• Familiarity with LibreNMS, Zabbix, Wireshark.
• Knowledge of Windows Server, Active Directory, DNS, DHCP.
• Experience with data center infrastructure and structured cabling.
• Understanding of disaster recovery and business continuity.

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.
• Monitor network performance, analyze traffic patterns, perform capacity planning, and resolve issues.
• Plan and execute infrastructure upgrades, migrations, and disaster recovery exercises.
• Implement network monitoring and observability solutions.
• Deploy and maintain enterprise wireless networks and optimize coverage.
• Support data center network infrastructure and server connectivity.
• Collaborate with application, security, and infrastructure teams to ensure reliable network services.
• Prepare and maintain network documentation and topology diagrams.
• Work with vendors to resolve issues and implement improvements.
• Provide technical guidance to junior engineers.

Skills

Enterprise networking

Routing & Switching

Firewall administration

Wireless networks

VPN technologies

TCP/IP

NAT/ACL

Network monitoring

Education

Diploma in Computer Science / IT / Network Engineering

Tools

Cisco

Aruba

Palo Alto

Fortinet

Job description

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.