Senior Lead AI Engineer - LLM & RAG Systems

ZS is seeking an Applied AI Engineer to design, build, and optimize production-grade LLM systems and RAG pipelines. You will work on prompt engineering, embeddings, and tool-augmented LLMs, delivering scalable AI capabilities within a consulting-teams environment. Responsibilities include developing RESTful services with FastAPI, evaluating models, and improving latency, cost, and reliability. Hybrid work and travel are common in this role.

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