AI Engineer

AI Engineer - Defence RAG Systems ( Security Clearance Essential ) On Site 2 X Days a week, Plymouth Clearance: Active SC Essential Sector: Defence Role OverviewDefence client requires an SC Cleared AI Engineer to build fully on-premises RAG systems using open-source technologies. You''ll develop classified AI capabilities on air-gapped infrastructure with zero external dependencies. Key Responsibilities- Build end-to-end RAG pipelines on isolated defence networks using open-source LLMs (Llama 3, Mistral, Qwen)- Deploy local vector stores (Chroma, FAISS, Milvus) with sensitive document ingestion pipelines- Host and optimise LLMs using vLLM/TGI on local GPU clusters without internet connectivity- Implement agent orchestration using LangChain/LangGraph in completely offline environments- Design secure document processing for classified materials with appropriate data sanitisation- Build monitoring and evaluation systems that operate within air-gapped infrastructure Essential Requirements- Active SC Clearance (non-negotiable) - willingness to undergo DV if required- Demonstrable experience deploying open-source LLMs (Llama, Mistral, Falcon) on-premises- Expertise with local vector databases (Chroma, FAISS, Weaviate) in offline deployments- Strong vLLM/Text Generation Inference experience for high-throughput model serving- Proven ability to work on air-gapped systems with no external package repositories- Experience with GPU orchestration (NVIDIA A100/H100) and CUDA ..... full job details .....