Senior HPC Performance Engineer

NVIDIA is leading the way in groundbreaking developments in Artificial Intelligence, High Performance Computing and Visualization. The GPU, our invention, serves as the visual cortex of modern computers and is at the heart of our products and services. Our work opens up new universes to explore, enables amazing creativity and discovery, and powers what were once science fiction inventions from artificial intelligence to autonomous cars.Come work for the team that brought to you NCCL, NVSHMEM & GPUDirect. Our GPU communication libraries are crucial for scaling Deep Learning and HPC applications! We## **What you will be doing:*** Conduct in-depth performance characterization and analysis on large multi-GPU and multi-node clusters.* Study the interaction of our libraries with all HW (GPU, CPU, Networking) and SW components in the stack* Evaluate proof-of-concepts, conduct trade-off analysis when multiple solutions are available* Triage and root-cause performance issues reported by our customers* Collect a lot of performance data; build tools and infrastructure to visualize and analyze the information* Collaborate with a very dynamic team across multiple time zones## **What we need to see:**## **Ways to stand out from the crowd:**NVIDIA is at the forefront of breakthroughs in Artificial Intelligence, High-Performance Computing, and Visualization. Our teams are composed of driven, innovative professionals dedicated to pushing the boundaries of technology. We offer highly competitive salaries, an extensive benefits package, and a work environment that promotes diversity, inclusion, and flexibility. As an equal opportunity employer, we are committed to fostering a supportive and empowering workplace for all.* M.S. (or equivalent experience) or PHD in Computer Science, or related field with relevant performance engineering and HPC experience* 3+ yrs of experience with parallel programming and at least one communication runtime (MPI, NCCL, UCX, NVSHMEM)* Experience conducting performance benchmarking and triage on large scale HPC clusters* Good understanding of computer system architecture, HW-SW interactions and operating systems principles (aka systems software fundamentals)* Implement micro-benchmarks in C/C++, read and modify the code base when required* Ability to debug performance issues across the entire HW/SW stack. Proficient in a scripting language, preferably Python* Familiar with containers, cloud provisioning and scheduling tools (Kubernetes, SLURM, Ansible, Docker)* Adaptability and passion to learn new areas and tools. Flexibility to work and communicate effectively across different teams and timezones* Practical experience with Infiniband/Ethernet networks in areas like RDMA, topologies, congestion control* Experience debugging network issues in large scale deployments* Familiarity with CUDA programming and/or GPUs* Experience with Deep Learning Frameworks such PyTorch, TensorFlow #J-18808-Ljbffr