Senior HPC and AI Network Software Architect

NVIDIA; Zürich; On-site; CHF 180,000 - 240,000; Full time

Job summary

NVIDIA in Zürich, Switzerland, seeks a Senior HPC and AI Network Software Architect to shape the next generation of scalable AI infrastructure. This role focuses on distributed training, real-time inference, and efficient communication across large GPU clusters.

You will collaborate with AI framework teams and internal platforms to deliver end-to-end performance, integrate NCCL/UCX/UCC, and drive hardware-software co-design across GPUs, DPUs, and interconnects for training, inference, and model

Qualifications

• PhD or equivalent in CS/CE or closely related field.
• 5+ years in systems programming, distributed computing, or large-scale data movement.
• Strong programming in C++, Python; CUDA or GPU models ideal.
• Extensive hands-on experience with AI frameworks (PyTorch, TensorFlow, JAX).
• Experience building production-quality, high-throughput, low-latency software.
• Ability to reason across software stacks, hardware, and bottlenecks.

Responsibilities

• Build and evolve scalable software architectures for distributed AI training and inference with focus on throughput and latency.
• Develop and evaluate next-generation communication/runtime capabilities in NCCL, UCX, and UCC.
• Partner with AI framework teams and platform teams to build integrations and improve performance.
• Collaborate on hardware and system-level features across GPUs, DPUs, and interconnects.
• Drive innovation across runtime systems and protocol layers to turn ideas into robust implementations.

Skills

PhD/Equivalent

Systems programming

C++

Python

CUDA/GPU programming

AI frameworks (PyTorch, TensorFlow, J&

Education

PhD or equivalent

Tools

NCCL

UCX

UCC

Job description

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It’s a unique legacy of innovation that’s fueled by great technology—and amazing people. Today, we’re tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the world’s best talent. As an NVIDIAN, you’ll be immersed in a diverse, supportive environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world.

We are looking for a Senior HPC and AI Network Software Architect to help build the next generation of scalable AI infrastructure. The role emphasizes distributed training, real-time inference, and communication efficiency across large systems. You will develop new software and hardware approaches, shape platform evolution through hands‑on innovation, and contribute to designing systems powering the fastest AI workloads globally. Collaborate with our distinguished team of researchers and engineers building software and hardware for AI at an outstanding scale.

What You Will Be Doing

• Build and evolve the architecture of scalable software systems for distributed AI training and inference, focusing on throughput, latency, resiliency, and memory efficiency across cluster‑scale deployments.
• Develop and evaluate next‑generation communication and runtime capabilities in libraries such as NCCL, UCX, and UCC, tailored to the evolving demands of frontier AI workloads.
• Partner with AI framework teams (e.g., TensorFlow, PyTorch, JAX) and internal platform teams to build integrations, explore new approaches, and improve end‑to‑end performance and reliability.
• Collaborate on hardware and system‑level features across GPUs, DPUs, and interconnects to speed up data movement and enable new capabilities for training, inference, and model serving at scale.
• Drive innovation across runtime systems, communication libraries, and AI‑specific protocol layers, helping turn new ideas into practical capabilities and robust implementations.

What We Need To See

• Ph.D., or equivalent industry experience, in computer science, computer engineering, or a closely related field.
• 5+ years of experience in systems programming, parallel or distributed computing, high‑performance networking, or large‑scale data movement, including experience designing and building complex systems.
• Strong programming background in C++, Python, and ideally CUDA or other GPU programming models, with a track record of building production‑quality performance‑critical software.
• Extensive hands‑on experience with AI frameworks (e.g., PyTorch, TensorFlow, JAX) and a solid grasp of how communication libraries and runtime systems facilitate large‑scale training and inference.
• Demonstrated success in developing and refining high‑throughput, low‑latency systems, including the ability to reason across software stacks, hardware capabilities, and system bottlenecks.
• Strong collaboration skills in a multi-national, interdisciplinary setting, with the ability to contribute ideas, build momentum, and work effectively with senior engineers, researchers, and partner teams.

Ways To Stand Out From The Crowd

• Deep expertise with NCCL, UCX, UCC, or similar communication libraries used in large‑scale AI and HPC workloads.
• Strong background in networking and communication protocols, RDMA, collective communications, congestion‑aware transport, or accelerator‑aware networking.
• Comprehensive knowledge of large model training and inference serving at scale, including communication bottlenecks, scheduling challenges, and system‑level tradeoffs across compute, memory, and fabric.
• Experience crafting hardware‑software co‑design for distributed AI systems, including contributions that advanced GPU, DPU, interconnect, or runtime capabilities.
• Familiarity with infrastructure for deployment of LLMs or transformer‑based models, including sharding, pipelining, expert parallelism, or hybrid parallelism.

Widely considered to be one of the technology world’s most desirable employers, NVIDIA offers highly competitive salaries and a comprehensive benefits package. As you plan your future, see what we can offer to you and your family www.nvidiabenefits.com/

JR2022878