Senior HPC Engineer for AI GPU Clusters (Hybrid)

Hamilton Barnes; Texas; On-site; USD 203,000 - 248,000; Full time

Benefits offered by this job

Performance based bonus

Equity incentive

Job summary

Hamilton Barnes in Dallas–Fort Worth is seeking a Senior HPC Engineer to build, optimize and operate bare metal GPU clusters powering AI training and inference. You will work across kernel, GPU, high‑speed fabric and file‑system layers, shepherding HGX clusters from deployment to customer handover.

The role demands strong Linux engineering, InfiniBand/RoCE expertise, Lustre/WEKA experience, and robust Python/Bash scripting.

Qualifications

• Hands-on HPC engineering on bare metal clusters for AI training or scientific computing.
• Strong Linux systems engineering, including kernel, drivers and the RDMA stack.
• Deep InfiniBand experience plus working RoCE experience.
• NVIDIA GPU HGX system experience (CUDA, NCCL).

Responsibilities

• Build, image and burn in NVIDIA HGX clusters, and own fleet baselines, upgrades and rollback.
• Operate and troubleshoot InfiniBand (UFM, topology, routing) and tune RoCE lossless networking.
• Operate and tune Lustre and WEKA, finding the layer at fault in throughput and latency issues.
• Diagnose XID, ECC and NVLink faults, drive vendor cases to closure, and own cluster performance baselines.
• Take HPC escalations from Level 2 and Hardware SRE, and leave a runbook behind.
• Write tested Python and Bash tooling in GitLab, with Ansible as the source of truth.

Skills

HPC engineering

Linux kernel & RDMA

NVIDIA HGX / CUDA

Python & Bash scripting

Tools

Ansible

GitLab

Job description

Hamilton Barnes in Dallas–Fort Worth is seeking a Senior HPC Engineer to build, optimize and operate bare metal GPU clusters powering AI training and inference. You will work across kernel, GPU, high‑speed fabric and file‑system layers, shepherding HGX clusters from deployment to customer handover.

The role demands strong Linux engineering, InfiniBand/RoCE expertise, Lustre/WEKA experience, and robust Python/Bash scripting.