Senior AI Engineer – LLM, RAG

BrightAI, a high-growth Physical AI company, is hiring a Senior AI Engineer to lead the development of Retrieval-Augmented Generation (RAG) systems that merge large language models with external knowledge sources for industrial troubleshooting applications.

Key Responsibilities

• Architect RAG implementations that combine LLMs with real-world knowledge sources
• Develop troubleshooting assistants for industrial technicians
• Build document processing pipelines
• Customize foundational models for domain-specific applications
• Design evaluation metrics for production systems

Required Qualifications

• Master's or Ph.D. in Computer Science, AI, Machine Learning, or NLP/deep learning specialization
• 5+ years in machine learning/AI emphasizing NLP, LLMs, or conversational systems
• Hands-on experience constructing RAG pipelines using LangChain, LlamaIndex, or custom vector database integrations
• Proficiency with models including LLAMA, Mistral, Claude, and GPT variants
• Strong Python programming and familiarity with PyTorch/Hugging Face Transformers
• Knowledge of semantic search, embedding generation, and vector databases (FAISS, Weaviate, Pinecone)
• Experience with prompt engineering and model fine-tuning

Bonus Qualifications

• Background in industrial/manufacturing AI applications
• Multimodal model integration
• Sensor data processing
• Startup product development experience

Location: Palo Alto, CA (On-site) Application requires responses to relocation and visa sponsorship questions.