Sr. Staff/Principal PCIE Subsystem Architect

Company: Qualcomm Technologies, Inc. Job Area: Engineering Group, Engineering Group > ASICS Engineering General Summary: Qualcomm is looking for an experienced PCIe Subsystem Architect to help define and deliver high-performance I/O architectures for next-generation AI products in the datacenter. The ideal candidate is a high-speed interfaces architect with deep expertise across PCIe, CXL, Universal Chiplet Interconnect Express (UCIe), Non-Volatile Memory Express (NVMe), Ethernet, and related datacenter connectivity standards. The selected candidate will define subsystem architecture and drive requirements from the accelerator card and server level through full-rack scale-up and scale-out deployments. Minimum Qualifications: • Bachelor's degree in Science, Engineering, or related field and 6+ years of ASIC design, verification, validation, integration, or related work experience. OR Master's degree in Science, Engineering, or related field and 5+ years of ASIC design, verification, validation, integration, or related work experience. OR PhD in Science, Engineering, or related field and 4+ years of ASIC design, verification, validation, integration, or related work experience.

In-depth knowledge of PCIe, Ethernet, and other high-speed I/O interfaces used in datacenter and accelerator products. Strong understanding of PCIe ordering models, producer-consumer ordering, ARM ordering behavior, DMA flows, and high-speed serial interface behavior. Strong understanding of PCIe Gen6/Gen7 requirements, including FLIT mode, PAM4 signaling implications, link training, latency, error handling, and system-level tradeoffs. Experience with PCIe error containment and recovery mechanisms such as Advanced Error Reporting (AER), Downstream Port Containment (DPC), Configuration Request Retry Status (CRS), Function Level Reset (FLR), and reset separation. Experience with I/O virtualization and isolation technologies such as SR-IOV, SIOV, PF/VF isolation, and related software-visible requirements. Strong understanding of RAS, telemetry, reliability, and security requirements for server-class SoCs and accelerator subsystems. Good knowledge of scale-up and scale-out architectures, including PCIe switch fabrics, NIC connectivity, host-to-accelerator orchestration, and rack-level deployment considerations. Ability to work effectively in a high-caliber, international, multi-site engineering team. Preferred Skills and Experience: Good understanding of PCIe integrity, security, and confidential-compute features such as IDE, DOE/SPDM, TDISP, SR-IOV, and SIOV. Strong familiarity with PCIe CEM standards, add-in card deployment constraints, retimers, signal-integrity considerations, and system-level validation flows. Good understanding of emerging AI interconnect standards and ecosystems such as UCIe, UALink/UAL, and UEC. Good understanding of PCIe firmware, BIOS/UEFI, operating-system, driver, and system-software requirements. Good understanding of high-speed SerDes and PHY technologies, including PCIe PHY, Ethernet PHY, PAM4 signaling, and power/performance tradeoffs. Good knowledge of server SoC architectures with emphasis on security, RAS, virtualization, IOMMU/SMMU, DMA, address translation, and telemetry. Ability to engage with customers, product management, systems teams, and cross-functional architecture stakeholders to gather requirements and drive technical alignment. Excellent written and verbal communication skills, with the ability to create architecture specifications, requirement documents, and executive-level technical summaries.

Bachelor’s degree in Electrical Engineering, Computer Science, Computer Engineering, or a related field and 10+ years of Software Engineering, Electrical Engineering, Systems Engineering, or related work experience. OR Master’s degree in Electrical Engineering, Computer Science, Computer Engineering, or a related field and 8+ years of Software Engineering,