Software Engineer, GPU Infrastructure

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.

We’re looking for a Software Engineer, GPU Infrastructure to join our Internal Infrastructure team, which builds the infrastructure and tools used to train, evaluate, and serve Cohere's foundation models. You will work with AI researchers and ML engineers on stability, scalability, and observability.

Responsibilities

• Deploy and operate GPU Kubernetes clusters across clouds, and bring up new hardware generations and providers.
• Work with cloud providers and hardware partners on reliability, performance, and cost, including RDMA and high-speed interconnects.
• Automate node, GPU, and fabric fault detection and remediation so most faults are fixed without a human.
• Improve fleet utilization, track cost, and cut the time it takes to get a faulty node back into service.
• Troubleshoot production failures and performance problems, and leave the system easier to operate than you found it.

Requirements

• Run GPU Kubernetes clusters with thousands of GPUs for ML or HPC workloads.
• Debugged Linux, networking, and performance problems. Familiarity with RDMA, NCCL, or accelerator health is a plus.
• Written software in Python or Go. You would rather extend a solid open-source project than rebuild it.
• Worked with researchers, ML engineers, or another team whose goals were not identical to yours.
• Found a bottleneck, proposed a fix, and driven it in a fast-moving environment.

Perks

• A weekly lunch stipend of $75/£75 or equivalent in your local currency for lunch.
• Full health and dental benefits, including a separate budget for mental health.
• RRSP matching, 401K, Pension Scheme.
• 100% Parental Leave top-up for up to 6 months, for either parent.
• Annual enrichment benefits: Arts & culture, fitness/wellness, quality time, and a workspace improvement credit. Education & learning stipend for conferences, courses, and coaching.
• 6 weeks of paid vacation (30 working days!)
• Budget for traveling to other offices if you are remote, plus an annual company offsite.