Senior HPC Support Engineer - GPU Cloud Infra

Neura Market; United States; On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Wellness stipend

Commuter stipend

401k plan with 2% company match (USA)

Flexible paid time off

Job summary

Lambda, The Superintelligence Cloud, is seeking a senior HPC-focused engineer to join our on-call rotation and directly support our Linux-based GPU infrastructure. You will serve as a high‑level escalation point, diagnose issues down to hardware, driver, or kernel, and work with engineering to implement permanent fixes.

You have 3+ years of hands-on HPC experience, strong Linux administration skills, and familiarity with Kubernetes or Slurm for cluster orchestration, plus CUDA/NCCL/NVLink.

Qualifications

• 3+ years of hands-on HPC experience in an administration, support, or engineering role.
• Very strong understanding and experience supporting Linux in a system administration role.
• Proven experience in HPC environments, showcasing Linux cluster administration with Kubernetes/Slurm.
• Strong coding ability and CI/CD experience, with AI-assisted tooling experience.
• Proficiency with monitoring/logging tools (Prometheus, Grafana, Datadog).
• Strong log analysis, kernel debugging, and performance profiling skills.
• Experience with CUDA, NCCL, NVLink, GPUDirect RDMA.
• Experience with high throughput networking technologies (IB/RoCE).
• Knowledge of distributed AI/ML or HPC workloads.
• Knowledge of TCP/IP, VPN, and firewalls in cloud environments.
• Ability to work independently and mentor junior engineers.

Responsibilities

• Serve as a senior escalation point, troubleshooting the hardest infra issues down to hardware or kernel.
• Distinguish hardware, driver, kernel, and workload misconfigurations to resolve issues quickly.
• Identify gaps in processes, tooling, and docs and implement fixes.
• Use AI tools to build scripts and small internal tools to close gaps.
• Perform root-cause analysis across distributed systems and GPU infra.
• Document solutions and evolve support procedures.
• Collaborate with engineering to turn recurring pain points into permanent fixes.
• Mentor peers and take escalations from teammates.
• Participate in rotating on-call and own major incidents.
• Pitch in during fast, high-volume deployments as needed.

Skills

HPC administration

Linux system administration

Kubernetes

Slurm

CI/CD

Monitoring (Prometheus)

Logging (Datadog)

CUDA/NCCL/NVLink

GPUDirect RDMA

Networking (IB/RoCE)

Distributed AI/ML workloads

TCP/IP/VPN/firewalls

Mentoring

Education

Bachelor's degree in CS/Engineering

Tools

Docker

Terraform

Ansible

Job description

Lambda, The Superintelligence Cloud, is seeking a senior HPC-focused engineer to join our on-call rotation and directly support our Linux-based GPU infrastructure. You will serve as a high‑level escalation point, diagnose issues down to hardware, driver, or kernel, and work with engineering to implement permanent fixes.

You have 3+ years of hands-on HPC experience, strong Linux administration skills, and familiarity with Kubernetes or Slurm for cluster orchestration, plus CUDA/NCCL/NVLink.