Senior High-Speed I/O Architect: PCIe, CXL & UA Link

Arm; Seattle (WA); On-site; USD 263,000 - 355,000; Full time

Job summary

Arm is seeking a High-Speed I/O Architect to define and design on-chip interconnect architectures for scalable SoC platforms. You will work across mobile, automotive, datacenter, networking, and IoT markets to deliver production-quality silicon with top-tier performance and efficiency.

You will lead architecture engagements with customers, collaborate with SoC teams, and guide IP roadmaps for high-speed I/O. This role emphasizes strong technical leadership and cross-functional impact.

Qualifications

• 10+ years of experience in semiconductor architecture, design, or related roles.
• Strong expertise in PCIe, CXL, UA Link protocols and system-level coherency.
• Bachelor's or Master's degree in Electrical or Computer Engineering.

Responsibilities

• Architect high-speed interconnect subsystems—including PCIe, CXL, and UA Link—and define coherent and non-coherent architectures across a range of silicon products.
• Define IP and subsystem roadmaps for high-speed I/O and interconnect technologies in close partnership with SoC architecture and core technology teams.
• Lead early architecture engagements with customers, shaping system requirements and delivering clear, implementation-ready specifications.
• Collaborate with performance, power, and physical design teams to optimize PCIe/CXL/UA Link subsystem behavior, bandwidth, latency, and overall system efficiency.
• Develop SoC architecture integrating Arm IP and high-speed I/O subsystems to meet compute, memory, and interconnect performance targets.
• Partner with software, firmware, and platform teams to optimize end-to-end solutions spanning hardware, drivers, and system software.
• Support detailed use-case exploration, workload analysis, and performance modeling to guide architectural decisions.

Skills

Coherency architectures

PCIe/CXL/UA Link

Lead cross-functional teams

Architectural leadership

Communication with executives

Electrical/CE engineering

10+ years semiconductor experience

Education

Bachelor's or Master's in Electrical or Computer Engineering

Job description

Arm is seeking a High-Speed I/O Architect to define and design on-chip interconnect architectures for scalable SoC platforms. You will work across mobile, automotive, datacenter, networking, and IoT markets to deliver production-quality silicon with top-tier performance and efficiency.

You will lead architecture engagements with customers, collaborate with SoC teams, and guide IP roadmaps for high-speed I/O. This role emphasizes strong technical leadership and cross-functional impact.