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RESPONSIBILITIES - Develop and maintain Linux PCIe device drivers and kernel modules - Optimize PCIe subsystem behavior including DMA, IOMMU, interrupts, and BAR mapping - Build user-space libraries and APIs enabling high-performance data paths - Work closely with hardware/firmware teams to build end-to-end PCIe I/O pipelines - Design efficient memory management and zero-copy data transfer paths REQUIREMENTS - Strong understanding of Linux Kernel internals and memory management (DMA/IOMMU) - Experience developing kernel modules in C - Knowledge of PCIe protocol and PCIe subsystem architecture - Experience with kernel debugging tools (gdb, ftrace, perf, etc.) PREFERRED QUALIFICATIONS - Experience with device drivers for HPC, AI accelerators, or high-speed networking - Background in RDMA/DPDK/SPDK or other high-performance I/O frameworks - Familiarity with NUMA, huge pages, and pinned memory - Upstream contributions or open-source maintainer experience CONTACT - [email protected]