HOWARD HUGHES MEDICAL INSTITUTE HHMI
Principal Knowledge & Data Architect
Headquarters, USA · Principal
Work authorization required$175k-$218kDetected 68 days ago
PythonNode.jsSQLPostgreSQLDatabricksVector DatabasesAWSMachine LearningdbtData EngineeringNLPLLMsRAGHRISResearchCommunication
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odds of building a lasting career here
64Sponsors, lottery-bound
Cap-exempt (no lottery)0
Sponsors this role100
Entry-level history0
PERM / green-card track0
Lottery odds (Level IV)94
Fits your clock70
Sponsors, but it's cap-subject — you still face the weighted lottery (~61% per draw at Level IV). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
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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.
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 - $218,463.00
- Annual The posted range reflects HHMI's good faith estimate of the anticipated hiring salary range for this role at the time of posting.
- Actual hiring compensation is determined by a candidate's qualifications, experience, and internal equity.
Benefits
- Visit our Benefits at HHMI site to learn more.
Company info
- What we are looking for - Real production RAG experience.
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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