AI Semantic Architect (London Based)

Job Description:

DXC Technology is a Fortune 500 Global IT Services Leader and is ranked at 152. Our more than 130,000 people in 70-plus countries are entrusted by our customers to deliver what matters most. We use the power of technology to deliver mission critical IT services that transform global businesses. We deliver excellence for our customers, colleagues and communities around the world.

Accelerate your career and reimagine the possibilities with DXC!

We inspire and take care of our people. Work in a culture that encourages innovation and where brilliant people embrace change and seize opportunities to advance their careers and amplify customer success. Leverage technology skills and deep industry knowledge to help clients. Work on transformation programs that modernize operations and drive innovation across our customer’s entire IT estate using the latest technologies in cloud, applications, security, IT Outsourcing, business process outsourcing and modern workplace.

At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We’re committed to fostering an inclusive environment where everyone can thrive.

Join DXC Technology, a global leader in IT services and digital transformation. We are seeking an AI Semantic Architect based in London to design and implement semantic data frameworks that enable smarter data integration and AI-ready knowledge structures across the enterprise.

Location – Erskine or Newcastle

What You’ll Do

• 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.

What We’re Looking For

• 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).

Why DXC Technology?

At DXC Technology, we help global enterprises run mission‑critical systems and operations while modernising IT and driving innovation. Join us to work on impactful projects that shape the future of enterprise data and intelligent systems.