Senior AI Infra Architect: GPU Clusters & HPC Ops

THE SUPREME HR ADVISORY PTE. LTD.; Singapore; On-site; SGD 56,000 - 78,000; Full time

Job summary

The Supreme HR Advisory Pte. Ltd. in Singapore is seeking an AI Infrastructure Engineer to architect and maintain high-density GPU compute clusters for AI/ML workloads.

You will optimize Kubernetes, Slurm, and Ray orchestration, while ensuring low-latency networking and fast data access. Your role includes building IaC pipelines with Terraform and Ansible, tuning Linux systems, and collaborating with AI/ML teams to resolve bottlenecks using CUDA/NCCL and HPC tooling.

Qualifications

• Deep Linux systems administration, kernel tuning, and shell scripting experience.
• Strong GPU hardware knowledge, CUDA runtimes, and PCIe/NVLink topology awareness.
• Hands-on Kubernetes (GPU operator) and HPC schedulers (Slurm, Run:AI, Ray).
• Experience with RDMA networks (RoCE v2/InfiniBand) and ECN/PFC settings.
• Familiar with shared storage architectures for AI datasets and checkpoints.
• IaC (Terraform) and configuration management (Ansible) proficiency.
• Bachelor's degree and 3–6+ years in infrastructure engineering or HPC.

Responsibilities

• Architect, configure, and maintain high-density multi-GPU compute clusters.
• Implement and manage container orchestration platforms optimized for AI workloads.
• Monitor GPU health, utilization, and prevent bottlenecks; optimize I/O.
• Design low-latency networks and scale parallel file systems for AI data.
• Build automated deployment pipelines using Terraform, Ansible, and similar tools.
• Lead incident response and RCA for mission-critical AI environments.

Skills

Linux systems administration

GPU hardware architectures

Kubernetes

Slurm

Ray

Terraform

Ansible

Bash

Python

CUDA / cuDNN

NVIDIA HGX / DGX

NCCL

Education

Bachelor's Degree in Computer Science, Information Technology, Computer Engineering, or equivalent

Tools

Terraform

Ansible

NVIDIA DGX tooling

RDMA tooling

Job description

The Supreme HR Advisory Pte. Ltd. in Singapore is seeking an AI Infrastructure Engineer to architect and maintain high-density GPU compute clusters for AI/ML workloads.

You will optimize Kubernetes, Slurm, and Ray orchestration, while ensuring low-latency networking and fast data access. Your role includes building IaC pipelines with Terraform and Ansible, tuning Linux systems, and collaborating with AI/ML teams to resolve bottlenecks using CUDA/NCCL and HPC tooling.