HOWARD HUGHES MEDICAL INSTITUTE HHMI

HOWARD HUGHES MEDICAL INSTITUTE HHMI

Principal Knowledge & Data Architect

Headquarters, USA · Principal

Work authorization requiredDetected 3 hours ago
PythonNode.jsSQLPostgreSQLDatabricksVector DatabasesAWSMachine LearningdbtData EngineeringNLPLLMsRAGHRISResearchCommunication

About the role

  • Primary Work Address: 4000 Jones Bridge Road, Chevy Chase, MD, 20815 Current HHMI Employees, click here to apply via your Workday account.
  • Our Headquarters is in the greater Washington, DC metro area and is home to over 300 employees with expertise in investments, communications, digital production, biomedical sciences, and everything in between.
  • As HHMI scientists continue to push boundaries in laboratories and classrooms, you can be sure that your contributions while working here are making a difference.

Responsibilities

  • the discipline of turning institutional information (documents, records, policies, scientific content, operational data) into structured, retrievable, trustworthy knowledge that AI systems can actually use.
  • You will design and operate the retrieval-augmented generation pipelines that every

Requirements

  • Real production RAG experience.
  • Proven experience shipping r etrieval-augmented systems and running in production, with failures debugged back through the pipeline and the broken step rebuilt.
  • Knowledge graph and entity resolution experience.
  • Strong proficiency in Python and SQL.
  • Production experience with vector databases (Postgres pgvector, Pinecone, Weaviate, Qdrant, or comparable) and embedding pipelines.
  • Production experience with at least one graph database (Neo4j, AWS Neptune, JanusGraph, TigerGraph, Stardog, or comparable) and graph query languages (Cypher, SPARQL, or Gremlin).
  • Working knowledge of modern NLP and information extraction.

Nice to have

  • Background in library or information science, formal ontology, or semantic web technologies (RDFS, OWL, SKOS).
  • Experience with master data management, data catalogs, or lineage tooling at enterprise scale.
  • Prior experience in research, academic, or mission-driven institutional environments.
  • What this role is not
  • A data engineering role.
  • An AI platform or AI infrastructure role.
  • Your job is to ensure there is structured, retrievable, trustworthy knowledge for that platform to reason over.
  • A pure research role.

Compensation

  • Our employees are compensated from a total rewards perspective in many ways for their contributions to our mission, including competitive pay, exceptional health benefits, retirement plans, time off, and a range of recognition and wellness programs.
  • $174,770.40 (minimum) - $218,463.00 (midpoint) - $284,001.90 (maximum)
  • HHMI's salary structure is developed based on relevant job market data.
  • Typically, a new hire for this position in this location is compensated between the minimum and the midpoint of the salary range.

Benefits

  • Compensation and Benefits
  • Visit our Benefits at HHMI site to learn more.
  • HHMI considers a candidate's education, previous experiences, knowledge, skills and abilities, as well as internal consistency when making job offers.

Company info

  • Please note, we are not able to sponsor a visa for this position at this time.

Equal opportunity

  • HHMI is an Equal Opportunity Employer

Visa & Work Authorization

  • Please note, we are not able to sponsor a visa for this position at this time.
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This listing is sourced directly from HOWARD HUGHES MEDICAL INSTITUTE HHMI's careers page and normalized into a canonical job model.