APAC GPU Network Engineer – Cluster Deployment

Nscale; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Nscale is seeking a Senior Network Engineer based in Singapore to design, deploy, and operate APAC networks behind GPU clusters. You will partner with Deployment to bring up hardware, fabrics, and WAN edge, ensuring production readiness for customers.

You will work closely with teams in Europe and the US, travel across Asia-Pacific, and contribute to automation and repeatable build processes. The role requires strong hands-on expertise and a calm, methodical approach under deadline pressure.

Qualifications

• 5+ years of network engineering in large-scale data centres, cloud, or HPC.
• Experience at a hyperscaler or major network vendor or equivalent.
• Hands-on routing and switching: BGP, OSPF, EVPN/VXLAN, ECMP, L2/L3.
• Experience deploying cluster networks with InfiniBand/RoCE.

Responsibilities

• Deploy, configure, and validate Ethernet and InfiniBand fabrics for APAC GPU clusters.
• Bring up front-end, storage, management networks and WAN edge connectivity.
• Collaborate with carriers, colos, IXPs to deliver circuits and peering.
• Run network acceptance testing and performance validation before handover.
• Troubleshoot routing, switching, optics, and cabling during builds.
• Write runbooks and documentation for repeatable builds across sites.

Skills

BGP

OSPF

EVPN/VXLAN

ECMP

L2/L3 data centre design

InfiniBand/RoCE fabrics

Python

Ansible

Network automation

Travel willingness

Tools

InfiniBand fabrics

WAN edge

SONiC/Cumulus

Job description

Nscale is seeking a Senior Network Engineer based in Singapore to design, deploy, and operate APAC networks behind GPU clusters. You will partner with Deployment to bring up hardware, fabrics, and WAN edge, ensuring production readiness for customers.

You will work closely with teams in Europe and the US, travel across Asia-Pacific, and contribute to automation and repeatable build processes. The role requires strong hands-on expertise and a calm, methodical approach under deadline pressure.