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Principal Consultant – Semantic Data & AI Engineering
Job in
New York City, Richmond County, New York, USA
Listed on 2026-08-24
Listing for:
TheStaffed
Full Time
position Listed on 2026-08-24
Job specializations:
-
IT/Tech
AI Engineer (Applied/Software), Data Engineering
Job Description & How to Apply Below
Principal Consultant – Semantic Data & AI Engineering
Our client is seeking a Principal Consultant – Semantic Data & AI Engineering with deep expertise in semantic data technologies, knowledge graphs, and AI engineering to design and implement enterprise-scale semantic solutions. This role combines hands-on technical leadership with strategic guidance on knowledge-graph architecture, AI integration, and data governance.
Responsibilities & Qualifications- Design and implement enterprise knowledge graphs, semantic layers, ontologies, taxonomies, and graph-based data products that translate business concepts into machine-readable models
- Build semantic data pipelines that acquire, transform, map, validate, enrich, and load data at scale
- Integrate knowledge graphs with AI and machine-learning solutions, including generative AI, vector search, and GraphRAG implementations
- Develop Python- or Java-based services, APIs, data transformations, and integration components to support semantic workflows
- Support NLP and document-intelligence use cases including entity extraction, relationship extraction, and semantic enrichment
- Define and implement semantic data quality controls, data provenance, lineage tracking, and governance processes
- Evaluate and recommend appropriate graph databases, vector databases, and AI frameworks based on client requirements
- Lead technical workshops, architecture decisions, and mentor team members on semantic design patterns and best practices
- 10–15 years of professional experience in data engineering, semantic technologies, and AI/ML systems
- Demonstrated expertise in knowledge graphs, RDF, RDFS, OWL, SPARQL, SHACL, SKOS, and JSON-LD
- Hands-on experience with graph databases such as Neo4j, Stardog, GraphDB, Amazon Neptune, or equivalent platforms
- Strong proficiency in Python and Java for building data pipelines, services, and integrations
- Solid understanding of NLP, machine learning, vector search, RAG, and LLM applications
- Experience with cloud platforms (Azure, AWS, or Google Cloud) and Dev Ops practices including Git and CI/CD
- Comfort with Agile methodologies and cross-functional collaboration with data scientists, architects, and business stakeholders
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