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Principal Applied Scientist - LLM Agents

Oracle

$120,100 - $251,600
Jan 1, 2026
Remote, US
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Oracle Health Data Intelligence (HDI) is looking to leverage data and AI to transform the healthcare and life sciences industries by addressing complex challenges in healthcare.

Requirements

  • PhD in Computer Science, NLP, Machine Learning, or a related field; OR Master’s degree with 6+ years of relevant applied AI/ML experience, including leadership of complex modeling efforts.
  • Demonstrated success training, fine-tuning, or deploying LLMs or small language models at scale.
  • Proven experience designing and evaluating LLM agents for real-world applications, ideally in regulated industries.
  • Deep familiarity with RAG architectures, LangChain, or comparable frameworks.
  • Prior work applying AI/ML in healthcare, bioinformatics, or life sciences is highly desirable.
  • Expert knowledge of machine learning, NLP, deep learning, and model evaluation techniques.
  • Proficiency in Python, TensorFlow/PyTorch, and open-source LLM tooling.

Responsibilities

  • Lead the fine-tuning, evaluation, and deployment of large language models (LLMs), small language models, and retrieval-augmented generation (RAG) pipelines for production-scale healthcare use cases.
  • Architect and guide the development of AI solutions for high-impact applications such as clinical summarization, patient risk stratification, and care recommendation workflows.
  • Pioneer the use of modular AI frameworks (e.g., LangChain, agentic systems) to enable dynamic and context-aware healthcare solutions.
  • Define evaluation frameworks to assess accuracy, robustness, and safety of models in regulated healthcare environments.
  • Lead root-cause analyses and model performance reviews, setting standards for evaluation methodologies and optimization cycles.
  • Provide mentorship and technical guidance to junior scientists and engineers, raising the overall technical bar of the team.
  • Partner closely with product, engineering, and compliance teams to integrate AI models into Oracle’s cloud-based healthcare ecosystem, ensuring scalability, security, and regulatory alignment.

Other

  • Career Level - IC4
  • US: Hiring Range in USD from: $120,100 - $251,600 per year. May be eligible for bonus, equity, and compensation deferral.
  • Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates.
  • Range and benefit information provided in this posting are specific to the stated locations only
  • Oracle offers a comprehensive benefits package which includes medical, dental, and vision insurance, short term disability and long term disability, life insurance and AD&D, etc.