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 https://motional.com.
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.
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