MORELA AI and Engineering Recruitment Data Engineer (RAG and Retrieval)2-year contract Central London Active SC Outside IR35Morela is supporting a specialist technology consultancy on a 2-year Data Engineer contract in Central London, delivering on a UK government programme. Outside IR35, rate TBC. We need a genuinely strong all-round data engineer first and foremost, with recent hands-on RAG experience on top. Active SC is essential - eligibility will not be considered. About the Client A specialist technology consultancy embedding engineers into SC-cleared government delivery teams. They focus on long-term programme work and give their engineers real ownership of what they build. The Role You will own the data platform behind the programme, from ingestion and modelling through to the retrieval layer that powers its AI capability. The core of the job is solid data engineering - reliable pipelines, clean models and well-governed data. On top of that you will build the RAG pipelines that turn large volumes of unstructured material into accurate, access-controlled answers. Responsibilities Core data engineering Design, build and maintain robust batch and streaming pipelines (ETL/ELT) across structured and unstructured sourcesModel data for analytics and downstream use, with clear schemas, lineage and documentationOwn data quality, validation, monitoring and alerting so the platform can be trustedOptimise pipelines and storage for performance, cost and scaleApply security, ..... full job details .....