operations.* Build RAG frameworks using network documentation, alarms, topology, inventory, KPIs, trouble tickets, procedures, configuration data, and operational knowledge.* Develop multi-agent workflows using LangChain, LangGraph, MCP, or similar frameworks.* Implement vector search, semantic retrieval, graph-enhanced retrieval, and hybrid search patterns.* Develop AI agents for fault diagnosis, root-cause … semantic search, or agentic AI systems.* Strong Python programming skills.* Experience with ML fundamentals, deep learning concepts, embeddings, transformers, and LLM architectures.* Experience using LangChain, LangGraph, LlamaIndex, AutoGen, MCP, or similar AI frameworks.* Experience with vector databases such as Pinecone, Weaviate, Milvus, Qdrant, ChromaDB, or equivalent.* Experience with graph databases ...