PCIe Device Driver Engineer

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]