Senior HPC Support Engineer (AI)

TL;DR

Senior HPC Support Engineer (AI): Troubleshooting and optimizing high-performance computing infrastructure for an AI cloud platform with an accent on hardware-level debugging and cluster orchestration. Focus on solving complex kernel and driver issues, optimizing GPU infrastructure, and improving operational tooling.

Location: Remote (USA)

Salary: $122k – $162k

Company

Lambda is a leader in AI cloud infrastructure providing GPU compute and superintelligence tools to researchers and enterprises.

What you will do

• Serve as the senior technical escalation point for the hardest infrastructure and platform issues, debugging down to the hardware, driver, or kernel level.
• Identify and resolve hardware failures, driver issues, and customer workload misconfigurations.
• Build scripts and internal automations using AI tools to close operational gaps.
• Perform root-cause analysis across distributed systems, clusters, and GPU infrastructure.
• Collaborate with engineering teams to transform recurring customer pain points into permanent fixes.
• Mentor junior support engineers and lead the resolution of major incidents during on-call rotations.

Requirements

• 3+ years of hands-on HPC experience in an administration, support, or engineering role.
• Advanced Linux system administration skills.
• Proven expertise in Linux cluster administration, specifically with Kubernetes and/or Slurm.
• Proficiency with monitoring and logging tools such as Prometheus, Grafana, and Datadog.
• Deep knowledge of CUDA, NCCL, NVLink, GPUDirect RDMA, and high-throughput networking (IB/RoCE).
• Must be based in the USA.

Nice to have

• Experience with Docker, Kubernetes, or neocloud/GPU cloud providers.
• Familiarity with infrastructure-as-code tools like Terraform and Ansible.
• Experience with Nvidia GPUs and Infiniband.
• Experience with high-performance storage systems.

Culture & Benefits

• Generous cash and equity compensation packages.
• Comprehensive health, dental, and vision coverage for employees and dependents.
• 401k plan with a 2% company match for USA employees.
• Flexible paid time off (PTO) plan.
• Wellness and commuter stipends for select roles.