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Senior AI and Large Language Model (LLM) Engineer

Bethesda, Montgomery County💼 Full-time🗓 2025-12-21 → 2026-08-07

Core

Lead the design, customization, and integration of large language models (LLMs) into biomedical research workflows and information retrieval systems.

Role type

Senior IC machine-learning engineer (LLM)

Builds

AI-enabled search, retrieval, and knowledge discovery tools for NCBI platforms (e.g., PubMed)

Domain

Biomedical research and life sciences

Deliverable

production ML models

Required skills

LLM training and fine-tuning, RAG system development, ML system architecture, scalable deployment, Python programming, modern ML frameworks (PyTorch, Hugging Face), vector databases

Preferred skills

Biomedical research system development, large scientific corpora handling, biological sequence analysis (DNA/RNA/protein), bioinformatics background, hallucination reduction in regulated environments

Technologies

PyTorch, Hugging Face, vector databases

Responsibilities

Define AI-enabled capabilities and LLM use cases across NCBI platforms, develop RAG systems integrating LLMs with biomedical datasets, provide architectural guidance on model selection and deployment, improve model grounding and factual accuracy, support engineering teams in productionizing AI solutions, evaluate emerging LLM techniques

Seniority

Senior, hands-on IC

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