R
Not Specified Permanent

Austin, Texas · USA job

Principal Engineer, Router Architect

Renesas Electronics America

Austin, Texas

Job description

Overview

In this role, you will architect the backbone for next-generation Automotive compute fabrics, focusing on high-bandwidth, ultra-reliable Ethernet routing and PCIe subsystems. You will bridge data center-grade throughput with rigorous automotive safety and deterministic networking requirements. You'll work on architectures that support AD and cockpit controllers, shaping the data fabric for safety-critical traffic. The role offers impact by enabling end-to-end connectivity across SoCs, AI accelerators, and sensors in a scalable, secure platform.

Compensation / Benefits
  • competitive benefits package
Responsibilities
  • Architect L2/L3 switch fabrics with TSN standards (IEEE 802.1AS, 802.1Qbv, 802.1Qbu) for deterministic latency
  • Define PCIe Gen 5/6 integration for chip-to-chip connectivity, including SR-IOV support for VM resource virtualization
  • Incorporate Functional Safety (ASIL) mechanisms (ECC, Parity, BIST, End-to-End protection) into routing engines and fabrics
  • Design interfaces between Ethernet/PCIe controllers and NoC/CHI fabrics for efficient data movement across ADAS sensors
  • Develop hardware-assisted virtualization and Secure On-board Communication (SecOC) to protect the vehicle network
  • Define clocking, reset, and power management schemes for automotive thermal profiles and rapid Instant-On boot
Key requirements
  • 12+ years in high-speed networking or SoC architecture
  • at least 5 years focused on automotive-grade silicon
  • Deep expertise in IEEE 802.1 TSN hardware implementation
  • Expert knowledge of PCIe (Root Complex/Endpoint) and Automotive Ethernet (10BASE-T1S to 10G+
  • Familiarity with ISO 26262 functional safety flows and AEC-Q100 reliability requirements
  • Experience integrating routing engines into complex SoCs using AXI/CHI bus protocols and managing IOMMU configurations
  • IEEE 802.1 TSN protocols and hardware implementation
  • PCIe Gen4/5/6 (Root Complex/Endpoint)
  • SR-IOV virtualization
  • Automotive Ethernet (10BASE-T1S to 10G+)
  • AXI/CHI bus protocols
  • IOMMU configurations

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