Knowledge Graph Architect: Entity Resolution & Analytics

3GIMBALS; Virginia (MN); On-site; USD 120,000 - 190,000; Full time

Job summary

3GIMBALS is seeking a Knowledge Graph Engineer to design, build, and maintain a large, multi-source knowledge graph powering an analytic platform. You will model ontologies, implement entity resolution and relationship extraction, and deliver graph-based analytics for connecting people, organizations, locations, events, and other entities across diverse data sources.

The role blends data engineering with semantic modeling and NLP to turn disparate data into a coherent, queryable graph used by

Qualifications

• 4+ years of software or data engineering experience, including hands-on knowledge graph work.
• Experience with graph databases (Neo4j, Amazon Neptune, TigerGraph, JanusGraph, or similar).
• Proficiency with graph query languages (Cypher, Gremlin, or SPARQL).
• Strong programming skills in Python (Java or Scala a plus).
• Experience with entity resolution / record-linkage techniques and tooling.
• Understanding of ontology and semantic modeling (RDF, OWL, property graphs).

Responsibilities

• Design and evolve ontologies, schemas, and taxonomies for entities and relationships.
• Model complex, multi-source data into a coherent, queryable knowledge graph.
• Define and maintain graph data standards, naming conventions, and semantics.
• Build entity resolution, deduplication, and record-linkage pipelines across disparate sources.
• Develop relationship and event extraction from structured and unstructured data using NLP / information-extraction techniques.
• Integrate curated data from the data engineering team into graph ingestion workflows.
• Implement confidence scoring, provenance, and source attribution for graph assertions.
• Develop graph queries, traversals, and analytics (centrality, community detection, pathfinding, link analysis).
• Expose graph capabilities via APIs and query interfaces for analysts and applications.
• Optimize graph storage, indexing, and query performance at scale.
• Ensure the graph and its interfaces meet security requirements for sensitive environments.
• Implement access control, encryption, and secure handling of graph data.
• Support Authority to Operate (ATO) processes and compliance frameworks.

Skills

Knowledge graph

Ontology modeling

Python

NLP / information extraction

Entity resolution

Graph databases

Cypher / Gremlin / SPARQL

Data engineering

Tools

Neo4j

Amazon Neptune

JanusGraph

TigerGraph

Docker

Kubernetes

spaCy

Hugging Face

Job description

3GIMBALS is seeking a Knowledge Graph Engineer to design, build, and maintain a large, multi-source knowledge graph powering an analytic platform. You will model ontologies, implement entity resolution and relationship extraction, and deliver graph-based analytics for connecting people, organizations, locations, events, and other entities across diverse data sources.

The role blends data engineering with semantic modeling and NLP to turn disparate data into a coherent, queryable graph used by