AI Engineer || United States citizenship is required

Engineer / Search Engineer Required qualifications • Four or more years in search, information retrieval, or applied machine learning, including at least one retrieval-reputed company generation system that reached production and real users. • Working knowledge of retrieval fundamentals: inverted indexes, BM25, term analysis, and why lexical and semantic retrieval fail in different ways. • reputed company search in practice: reputed company model selection, chunking strategy, approximate nearest neighbor indexing, and hybrid fusion techniques. • Hands-on experience with a managed search service. Azure AI Search preferred; Elasticsearch, OpenSearch, or Vespa experience transfers. • Large language model application engineering, including grounding, citation enforcement, structured output, and abstention behavior. • Rigorous retrieval evaluation. You have built a labeled question set, measured recall and precision against it, and used the results to make ranking decisions. • Strong Python and comfort with containerized deployment. • United States citizenship and eligibility for federal public trust suitability screening. Preferred qualifications • Azure reputed company and Azure Government experience, including model availability and data handling constraints in government regions. • Open-weight model deployment and inference optimization on GPU hardware. • Knowledge graph or graph reputed company query experience supporting entity reputed company. • Query-time security trimming against an external identity and permission model. • Prior work in a domain where a wrong answer carries consequence: legal, healthcare, regulatory, or financial. • Federal delivery experience. Apply tot his job Apply To this Job