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AI Semantic Architect (London Based)

DXC Technology

City of Westminster

On-site

GBP 60,000 - 80,000

Full time

Yesterday
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Job summary

A leading technology firm in the UK is seeking an AI Semantic Architect to design and implement semantic data frameworks. You will be responsible for developing ontologies and managing knowledge graphs to enhance data integration and support AI initiatives. The ideal candidate holds a relevant degree and has hands-on experience with semantic web technologies and programming. This role offers a unique opportunity to contribute to advanced data solutions in a collaborative environment.

Qualifications

  • Hands-on experience with OWL, RDF, and SPARQL.
  • Strong understanding of data architecture and integration techniques.
  • Ability to troubleshoot ontology logic and query performance.

Responsibilities

  • Develop and maintain ontologies using OWL/RDF.
  • Create and manage enterprise knowledge graphs.
  • Implement semantic validation rules for data integrity.

Skills

Semantic Web Expertise
Programming Skills
Analytical Skills
Data Modelling & Integration

Education

Bachelor's degree in Computer Science, Information Science, or related field

Tools

Neo4j
GraphDB
Apache Jena
Protégé
AWS Neptune
Azure Cosmos DB
Job description
Responsibilities
  • Design Ontologies: Develop and maintain ontologies using OWL/RDF to model enterprise data domains and relationships.
  • Build Knowledge Graphs: Create and manage enterprise knowledge graphs that unify diverse data sources.
  • Semantic Querying: Develop and optimise SPARQL queries for advanced data retrieval and analytics.
  • Ensure Data Quality: Implement semantic validation rules (e.g., SHACL, OWL constraints) for data integrity and interoperability.
  • Integrate with Enterprise Systems: Embed semantic models into data pipelines, APIs, and enterprise workflows.
  • Collaborate with AI Teams: Enable AI agents and LLMs to leverage ontologies and knowledge graphs for context‑aware reasoning.
  • Adopt Best Practices: Stay current with semantic web standards and contribute to internal guidelines for semantic data management.
Qualifications
  • Education: Bachelor's degree in Computer Science, Information Science, or related field.
  • Semantic Web Expertise: Hands‑on experience with OWL, RDF, and SPARQL.
  • Knowledge Graph Experience: Practical experience with graph databases (Neo4j, GraphDB, Apache Jena, etc.).
  • Data Modelling & Integration: Strong understanding of data architecture and integration techniques.
  • Programming Skills: Proficiency in Python, Java, or similar for semantic data processes.
  • Analytical Skills: Ability to troubleshoot ontology logic and query performance.
Desired Experience
  • Familiarity with metadata standards (Dublin Core, schema.org).
  • Experience integrating semantic technologies with AI/LLM workflows.
  • Proven track record of embedding semantic layers into enterprise systems.
  • Hands‑on with tools like Protégé, semantic reasoners, or cloud‑based graph services (AWS Neptune, Azure Cosmos DB).

Location: London – Join DXC Technology as an AI Semantic Architect and help design and implement semantic data frameworks that enable smarter data integration and AI‑ready knowledge structures across the enterprise.

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