# Senior System Software Engineer - GPU Performance at Mellanox

- Company: Mellanox
- What the company does: NVIDIA end-to-end network management solutions enable monitoring, management, analytics and visibility. Backed by Sequoia.
- Company website: https://www.nvidia.com/en-us/networking/management-software/
- Type: Startups
- Level: Senior
- Location: 2 Locations
- Work setup: On-site
- Posted: 2026-09-24
- Apply by: 2026-11-08
- Apply: https://nvidia.wd5.myworkdayjobs.com/en-US/NVIDIAExternalCareerSite/job/US-CA-Santa-Clara/Senior-HPC-Performance-Engineer_JR1997214
- Page: https://www.1752.vc/careers/jobs/mellanox-senior-system-software-engineer-gpu-performance/

## About the role

We are the GPU Communications Libraries and Networking team at NVIDIA. We deliver libraries like NCCL, NVSHMEM, UCX for Deep Learning and HPC. We are looking for a motivated Performance engineer to influence the roadmap of our communication libraries. The DL and HPC applications of today have a huge compute demand and run on scales which go up to tens of thousands of GPUs. The GPUs are connected with high-speed interconnects (eg. NVLink, PCIe) within a node and with high-speed networking (eg.