motional · Boston, Massachusetts, United States
Mission Summary: Motional's Platform Infrastructure organization builds and operates the foundational onboard software systems that power our autonomous vehicles. Our responsibilities include system communications and IPC, networking, Linux operating system development and maintenance, high-speed data logging and offload, and onboard system performance optimization. We are seeking an Onboard Vehicle Network Engineer to lead the design, evolution, and maintenance of our onboard vehicle network architecture. In this hands-on engineering role, you will be responsible for defining the network topology, hardware interfaces, communication protocols, and network diagnostics for both our current generation of operational autonomous vehicles and our next-generation vehicle platform. You will blend software engineering expertise with system-level network design to ensure high-throughput, low-latency, deterministic, and resilient communication across all onboard compute nodes, sensors, and controllers. What You’ll Be Doing: Design and evolve the onboard vehicle network topology, including physical and logical architectures for both current operational platforms and next-generation autonomous vehicles. Define and implement network protocol stacks, communication standards, and messaging layers across compute nodes, sensors, microcontrollers, and actuators. Write and maintain high-quality software and tooling for network routing, monitoring, fault detection, diagnostics, and failover handling. Partner with hardware, platform, and autonomy software teams to evaluate and select network hardware components. Establish network performance budgets, Quality of Service (QoS) policies, network isolation/segmentation strategies, and latency/bandwidth constraints. Build telemetry and monitoring tools to observe network health, bandwidth utilization, packet drops, and real-time communication performance. Diagnose and resolve complex, system-level networking issues, including loss of communic…
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