Network Engineer

Dexian Asia Pacific; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

Dexian Asia Pacific seeks a hands-on Network Engineer to design, deploy, maintain, and troubleshoot global enterprise network infrastructure. The role focuses on campus networks, office projects, Arista switching, and Fortinet firewalls to ensure secure, scalable operations across locations.

Responsibilities include managing wired/wireless networks, incident troubleshooting, MDF/IDF setups, and collaboration with IT, security, facilities, and vendors to deliver network initiatives.

Qualifications

• Minimum 5 years of Network Engineering in enterprise environments.
• Strong knowledge of TCP/IP, routing, switching, VLANs, DHCP/DNS.
• Hands-on with Arista EOS and Fortinet FortiGate firewalls.

Responsibilities

• Manage and support enterprise wired and wireless network infrastructure across global offices.
• Troubleshoot network incidents, connectivity issues, outages, and performance problems.
• Configure, maintain, Arista switches and Fortinet firewalls.
• Support office expansions, relocations, new site deployments, and upgrades.
• Assist with MDF/IDF setup, network hardware installation, configuration, and commissioning.
• Support network connectivity for CCTV, access control, and intrusion detection.
• Implement network changes, segmentation, firewall policies, and security best practices.
• Maintain network documentation, diagrams, asset inventories, and procedures.
• Collaborate with global IT, security, facilities, and external vendors to deliver initiatives.

Skills

TCP/IP

Routing & Switching

VLANs

DHCP

DNS

Enterprise wireless networking

Troubleshooting

Incident management

MDF/IDF environments

Tools

Arista EOS

CloudVision Portal (CVP)

Fortinet FortiGate

Opengear

NAC solutions

Job description

We are seeking a hands-on Network Engineer to support the design, deployment, maintenance, and troubleshooting of global enterprise network infrastructure. The role will focus on enterprise campus networks, office infrastructure projects, Arista switching, and Fortinet firewalls, ensuring reliable, secure, and scalable network operations across multiple locations.

Key Responsibilities

• Manage and support enterprise wired and wireless network infrastructure across global offices.
• Troubleshoot network incidents, connectivity issues, outages, and performance-related problems.
• Configure, maintain, and administer Arista switches and Fortinet firewalls.
• Support network infrastructure projects, including office expansions, relocations, new site deployments, and infrastructure upgrades.
• Assist with MDF/IDF setup, network hardware installation, configuration, and commissioning.
• Support network connectivity for physical security systems, including CCTV, access control, and intrusion detection.
• Implement network changes, segmentation, firewall policies, and security best practices.
• Maintain network documentation, diagrams, asset inventories, and operational procedures.
• Collaborate with global IT, security, facilities, and external vendors to deliver network initiatives.

Required Technical Skills

• Strong understanding of TCP/IP, Routing & Switching, VLANs, DHCP, DNS, and enterprise wireless networking.
• Hands-on experience with Arista switches and Arista EOS; CloudVision Portal (CVP) is preferred.
• Experience administering Fortinet FortiGate Firewalls, including firewall policies, NAT, VPN, and network segmentation.
• Strong network troubleshooting and incident management skills.
• Exposure to enterprise campus networks, MDF/IDF environments, and data center infrastructure.
• Familiarity with network monitoring tools, Opengear, and NAC solutions is an advantage.

Required Experience & Qualifications

• Minimum 5 years of experience in Network Engineering within enterprise environments.