Senior PCIe Subsystem Architect (Gen6/Gen7) for AI

QUALCOMM, Inc.; San Diego (CA); On-site; USD 217,000 - 325,000; Full time

Benefits offered by this job

Job summary

Qualcomm Technologies, Inc. is seeking an experienced PCIe Subsystem Architect to shape high‑performance I/O architectures for next‑gen AI datacenter products. You will define subsystem architecture and drive requirements from accelerator cards to server racks.

The ideal candidate has deep PCIe/CXL expertise, strong knowledge of PCIe sequencing and error handling, and experience in I/O virtualization, reliability, and security for server‑class SoCs.

Qualifications

• Minimum qualifications include a Bachelor, Master, or PhD in a relevant field with multiple years of systems engineering experience.
• Experience in PCIe, CXL, and high‑speed I/O interfaces is required.
• Knowledge of PCIe ordering models, DMA flows, and reliability features is expected.
• Ability to engage with cross‑functional teams to gather requirements and drive alignment.

Responsibilities

• In-depth knowledge of PCIe, Ethernet, and other high‑speed I/O interfaces used in datacenter products.
• Strong understanding of PCIe ordering models, producer‑consumer ordering, ARM ordering behavior, DMA flows, and high‑speed serial interface behavior.
• Understanding of PCIe Gen6/Gen7 requirements, including FLIT mode, PAM4 signaling, link training, latency, and error handling.
• Experience with PCIe error containment and recovery mechanisms such as AER, DPC, CRS, FLR, and reset separation.
• Experience with I/O virtualization and isolation technologies such as SR‑IOV, SIOV, PF/VF isolation.
• Strong understanding of RAS, telemetry, reliability, and security requirements for server‑class SoCs and accelerator subsystems.
• Knowledge of PCIe switch fabrics, NIC connectivity, host‑to‑accelerator orchestration, and rack‑level deployment considerations.
• Ability to work in a high‑caliber, international, multi‑site engineering team.

Skills

PCIe expertise

CXL familiarity

SR-IOV knowledge

High-speed I/O understanding

Security & reliability awareness

Education

Bachelor's degree in Electrical Engineering, Computer Science, or related field

Master's degree in Electrical Engineering, Computer Science, or related field

PhD in Electrical Engineering, Computer Science, or related field

2+ years of system architecture experience

Job description

Qualcomm Technologies, Inc. is seeking an experienced PCIe Subsystem Architect to shape high‑performance I/O architectures for next‑gen AI datacenter products. You will define subsystem architecture and drive requirements from accelerator cards to server racks.

The ideal candidate has deep PCIe/CXL expertise, strong knowledge of PCIe sequencing and error handling, and experience in I/O virtualization, reliability, and security for server‑class SoCs.