Knowledge Graph Engineer

Knowledge Graph Engineer
Location: London
Role Type: Permanent
Work Setup: Hybrid - 3 days in the office

Who We Are

We are a consultancy operating within Robert Walters, the world's most trusted talent solutions business. Across the globe, we deliver recruitment, outsourcing, and talent advisory services for businesses of all sizes, opening doors for people with diverse skills, ambitions, and backgrounds.

The Role

We have an exciting new opportunity for Knowledge Graph Engineer to join Robert Walters as a Consultant.

As a Consultant, you will benefit from permanent employment with Robert Walters and will be deployed on an assignment within our clients' organisations, in return we will provide you with the opportunity to develop your skills with ongoing training and professional support.

This role offers an exciting opportunity to join a global business, providing top-tier service to our blue chip clients.

What You'll Do
This role to design and deliver a proof-of-concept knowledge graph for investment fund data at one of the world's largest asset managers. You'll encode business rules, regulatory constraints, and identifier relationships into machine-readable ontologies, replacing manual processes and enabling automated validation across thousands of funds in six global markets. The project has a defined scope, executive backing, and guidance from leading financial services knowledge graph experts.

• Develop an investment fund ontology (OWL 2/RDF/Linked Data) modelling the hierarchy: Fund > ShareClass > Listing > Security, with 73+ identifier types (eg, ISIN, SEDOL, CUSIP, LEI, Bloomberg).
• Create SHACL validation shapes to enforce business rules (eg, "A US -domiciled ETF listing must have a valid ISIN").
• Build SKOS concept schemes to harmonise vocabulary across internal systems.
• Design data integration pipelines mapping relational data into RDF triples using R2RML, rdflib or similar tools.
• Implement an API layer for programmatic graph data access.
• Generate automated governance reports highlighting data quality gaps and inconsistencies.

What You Bring

• 5+ years' experience deploying RDF/OWL ontologies in production environments.
• Proficiency in SHACL for constraint validation and governance.
• Advanced SPARQL 1.1 query skills.
• Experience with enterprise triple stores (eg, TopBraid, GraphDB (Ontotext), Stardog, RDFox, Amazon Neptune (RDF mode), or equivalent).
• Python or Java for data transformation and pipeline orchestration.
• Familiarity with financial identifiers (ISIN, SEDOL, CUSIP, LEI) and their importance.
• Understanding of data governance principles.

Preferred Experience

• Financial services domain knowledge (fund data, securities master, regulatory compliance).
• Experience with FIBO or similar financial ontologies.
• Familiarity with TopBraid EDG/GraphWise platforms.
• SKOS for vocabulary management.
• R2RML/RML for relational-to-RDF mapping.
• Ontology design patterns, modular schema design, ontology versioning (Git-based workflows)
• Large-scale data modelling across multi-market environments.
• Exposure to rules engines or deterministic AI (eg, SHACL-based reasoning).
• Agile delivery within regulated industries.

What's Next

If you are ready to take the next step, apply now! Successful applicants will be contacted directly by a recruiter to discuss the role more.

We are committed to creating an inclusive recruitment experience. If you require support or adjustments to the recruitment process, our Adjustment Concierge Service is here to help. Please feel free to contact us at (see below) to discuss how we can support you.

This position is being recruited on behalf of our client through our Outsourcing service line. Resource Solutions Limited, trading as Robert Walters, acts as an employment business and agency, partnering with top organizations to help them find the best talent. We welcome applications from all candidates and are committed to providing equal opportunities.