[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 aSenior 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 moreCompany 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 isCompany H1B Sponsorship• Motional has a track record of offering H1B sponsorships, with 48 in 2025, 111 in 2024, 59 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