Linux PCI Device Expert

1 week ago

Hyderabad, India People Tech Group Inc Full time

Linux PCI Device Lead

📍 Location: Hyderabad | 🕒 Experience: 8–10+ Years | ⚡ Notice Period: Immediate – 30 Days

Are you passionate about Linux kernel development and PCIe technology?

We’re seeking a Linux PCI Device Lead to architect and drive the development of PCI/PCIe subsystems and enable next-generation platforms.

Key Responsibilities

  • PCI Subsystem Development: Design, develop, and maintain PCI/PCIe subsystems and drivers in the Linux kernel, ensuring robust enumeration, configuration, power management, and hot-plug support.
  • Device Enablement & Bring-up: Lead platform bring-up for PCIe devices (network, storage, GPU, NVMe);
    validate and debug DT/ACPI configurations for host bridges and endpoints.
  • Kernel & Firmware Integration: Collaborate with firmware/bootloader teams on BAR, MSI/MSI-X, IOMMU configurations;
    support secure boot andDMA protection.
  • Performance & Power Optimization: Analyze PCI bandwidth/latency, implement ASPM, LTR, and other low-power states to meet PCIe specifications.
  • Debugging & Issue Resolution: Use Linux tools (lspci, setpci, tracepoints, ftrace, perf) and hardware analyzers to identify and resolve platform PCI failures.
  • Upstream & Compliance: Contribute patches to the Linux kernel PCI subsystem and ensure compliance with PCI-SIG and kernel community standards.
  • Cross-Team Collaboration: Work with SoC, BIOS/UEFI, board, and validation teams for end-to-end PCIe enablement.

Required Expertise

  • Deep understanding of Linux kernel internals, PCI/PCIe drivers, hot-plug, MSI, IOMMU, and DMA API.
  • Hands-on experience with PCIe Gen3/4/5 devices and PHY bring-up.
  • Familiarity with ARM64/x86 architectures, DT/ACPI handling for PCI devices.
  • Strong C programming skills and Linux kernel debugging (GDB, crash dumps, dmesg, lspci).
  • Expertise in PCI power management (runtime, suspend/resume flows).
  • Experience with Secure Boot, TrustZone, and virtualization passthrough (VFIO/SR-IOV) is a plus.
  • Exposure to embedded Linux build systems (Yocto, Buildroot).


💡 Join us to drive PCIe innovation in Linux

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