NVIDIA Aerial CUDA Accelerated RAN (ACAR) is framework for building high-performance, software-defined, cloud-native Radio Access Network functions over NVIDIA CPU/GPU/DPU based systems. We are seeking a self-motivated senior performance engineer to drive performance and scalability of our platform. This position offers the opportunity to work on cutting-edge technology for 5G and 6G networks, using NVIDIA's world-class compute platforms to advance the field of software-defined digital signal processing stack!What you'll be doing:As a member of Aerial RAN team working for 5G and 6G networks, you will be responsible for:Optimizing CPU, GPU and NIC sub-systems for predictable low-latency and maximum efficiencyCrafting and implementing performance verification tools, frameworks and dashboardsMonitoring and prioritizing performance regressions reported by CI/CDCollaborating with multi-functional teams to solve performance bottlenecks in CPU, GPU and NIC sub-systemsBenchmarking performance use-cases on different platformsWhat we need to see:BS/MS (or equivalent experience) in a relevant field and 10+ years’ experience or PhD with 5+ years’ experience or equivalent.Strong software design, development, debugging and testing skills.Hands-on experience with performance analysis, characterization and optimization.Experience with programming latency sensitive, real-time, multi-threaded applications on CPUs and one or more of GPUs or DSPs or Vector processors.Deep knowledge of CPU, DSP or GPU architecture, as well as memory, I/O and networking interfaces.Familiarity with data science and using visualization tools to summarize large quantities of data.Experience in one or more programming / scripting languages: C/C++, Python, shell scripting.Ways to stand out from the crowdExperience in designing and managing firmware timelines for wireless SoCs used in cellular wireless networks and/or terminals!Track record in E2E design/testing of signal processing algorithms at the PHY layer or resource allocation optimization at MAC level.CUDA experience highly desired.Appetite to learn the details of how next generations of GPU will operate and build an outstanding Software-Radio 5G/6G stack that can fully demonstrate their power.Your base salary will be determined based on your location, experience, and the pay of employees in similar positions. The base salary range is 184,000 USD - 287,500 USD for Level 4, and 224,000 USD - 356,500 USD for Level 5.You will also be eligible for equity and benefits.Applications for this job will be accepted at least until October 13, 2025.NVIDIA is committed to fostering a diverse work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.