Principal Engineer Tech Lead, Embodied AI & Off-Board Performance Evaluation

Responsibilities

• Technically oversee the architecture to identify, describe, and enrich events in historical vehicle logs using Multimodal LLMs
• Oversee the off-board ingestion and fusion of semantic scene descriptions, ego-centric kinematics, and internal autonomy telemetry
• Develop structured prompting templates utilizing Contextual Prompting, Chain-of-Thought, and In-Context Learning
• Architect the integration of foundation models into the Metrics Engine to scale high-volume LLM inference
• Define, design, and implement key metrics to evaluate autonomous vehicle performance
• Deploy and manage a Retrieval-Augmented Generation (RAG) vector database containing codified AV Driving Policies
• Serve as a technical escalation point and collaborate with Autonomy and Systems teams
• Drive the transition toward Direct Vector-LLM Fusion utilizing emerging Physical AI ecosystems

Requirements

• 10+ years of professional experience in software engineering, applied AI/ML, or autonomous vehicle systems development
• Bachelor's degree in Computer Science, Engineering, Robotics, or a related field
• Proven experience working with Large Language Models (LLMs) and Vision-Language Models (VLMs)
• Experience with parameter-efficient fine-tuning and deploying open-weights models
• Familiarity with local and cloud vector databases such as LanceDB
• Experience with adversarial scenario generation and closed-loop simulation environments
• Strong background in developing frameworks for calculating AV performance metrics
• Expert-level proficiency in Python

Preferred Qualifications

• Experience working with autonomous vehicle sensor data
• Hands-on experience with data pipeline orchestration tools and distributed data processing frameworks
• Expertise managing cloud infrastructure on AWS or GCP
• Familiarity with Ray and Ray clusters for scaling AI/ML tasks
• Expertise with C++ programming for data frameworks

About the Company

Motional is a leading autonomous driving company on a mission to make driverless vehicles a safe, reliable, and accessible reality. Backed by Hyundai Motor Group, Motional is at the forefront of the physical AI revolution, transforming transportation to create safer streets and more sustainable mobility options.