[Remote] Senior Principal Engineer/Architect - ML Infrastructure

Note: The job is a remote job and is open to candidates in USA. Motional is a driverless technology company making autonomous vehicles a safe, reliable, and accessible reality. They are seeking a Senior Principal Engineer/Architect to lead the technical vision and architecture for their machine learning infrastructure, focusing on scalable storage and high-throughput systems for distributed training. Responsibilities • Own the architecture of Motional’s ML infrastructure, enabling scalable storage, curation, and access for 100+ engineers and researchers across autonomy teams • Design and evolve infrastructure to support petabyte-scale machine learning workflows, including multimodal perception data, synthetic data, simulation output, and continuous training pipelines • Architect high-throughput systems for distributed training on large GPU clusters, driving significant improvements in utilization, throughput, and job efficiency • Establish robust data governance, observability, and retention strategies to ensure compliance, reproducibility, and long-term data utility • Collaborate cross-functionally with ML engineers, autonomy researchers, data engineers, and DevOps to ensure tight integration between infrastructure and user workflows • Lead technical strategy and roadmap development for the ML Infra team, incorporating cutting-edge tools and best practices from industry and open source • Mentor and influence engineers across teams, promoting engineering excellence in distributed systems, ML platforms, and autonomy-scale data management Skills • 15+ years of meaningful software engineering experience, including significant architecture-level ownership in ML infrastructure • Proven experience leading the design of ML platforms that serve large-scale training and inference workloads • Deep technical fluency in distributed storage, high-volume data pipelines, and data compression strategies for ML use cases • Strong knowledge of Linux systems, Python, and C++ or similar performance-oriented languages • Experience operating in hybrid environments: bare metal, HPC, and public cloud (AWS/GCP/Azure) • Comfortable owning cross-org initiatives and influencing system-level design across autonomy, simulation, and platform teams • Prior work in robotics, autonomous vehicles, or safety-critical domains strongly preferred • Experience building or leading infrastructure at a top-tier ML/AI company or AV program • Background contributing to open-source ML infrastructure projects Benefits • Medical • Dental • Vision • 401k with a company match • Health saving accounts • Life insurance • Pet insurance • And more Company Overview • Motional offers an autonomous driving platform for robotaxi providers, fleet operators, and automotive manufacturers. It was founded in 2020, and is headquartered in Boston, Massachusetts, USA, with a workforce of 1001-5000 employees. Its website is Company H1B Sponsorship • Motional has a track record of offering H1B sponsorships, with 56 in 2025, 111 in 2024, 57 in 2023, 110 in 2022, 100 in 2021, 7 in 2020. Please note that this does not guarantee sponsorship for this specific role. Apply tot his job