Staff, PCIe Validation Engineer

Job Description

Tenstorrent is seeking a Staff, PCIe Validation Engineer to play a key role in validating next gen PCIe interfaces. The ideal candidate will ensure robust performance and seamless integration across hardware, firmware, and software layers. This role bridges the gap between hardware validation and low-level firmware integration, working to validate, debug, and optimize PCIe interfaces at both the controller and PHY levels, from pre-silicon through to production.

Responsibilities:

• Develop and execute comprehensive test plans for next-generation PCIe interfaces.
• Leverage lab equipment for root cause analysis and ensure compliance with PCI-SIG specifications.
• Collaborate with firmware teams to integrate and validate PCIe controller and PHY initialization.
• Develop and debug firmware APIs for error handling, performance monitoring, and recovery flows.
• Triage and resolve complex issues across hardware, firmware, and software layers.
• Drive root-cause analysis for link failures, power state transitions, and system enumeration errors.
• Validate interoperability with a broad range of PCIe devices and platforms.
• Participate in PCI-SIG compliance workshops to ensure alignment with industry standards.

Requirements:

• Bachelor’s or Master’s in Electrical or Computer Engineering with experience in high-speed interface validation, focusing on PCIe and firmware-level debugging
• Strong knowledge of PCIe protocol (TLPs, DLLPs, PHY behavior, ECNs)
• Experience in silicon bring-up, pre-boot firmware development, or UEFI/BIOS-level configuration for PCIe
• Expertise in PCIe power management, ASPM, and BIOS-level link tuning
• Experience debugging low-level hardware-firmware interactions with tools like ITP, JTAG, BIOS Setup, Serial Debug, and pre-boot environments
• Strong programming skills in C/C++ for embedded firmware development
• Experience with multi-die chiplets and chip-to-chip interconnects in PCIe systems
• Exposure to validation and debugging of non-PCIe interfaces (e.g., Ethernet, memory interfaces)
• Familiarity with automation frameworks and continuous integration for validation pipelines
• Background in working with PCIe security features (e.g., secure boot, link encryption)
• Exposure to CI/CD pipelines and automation infrastructures.
• Exposure to low level FW development for RISC-V

Tenstorrent offers:

• A highly competitive compensation package and benefits.