Senior Semantic Modelling & Governance Specialist

What we’re looking for

The Senior Semantic Modelling & Governance Specialist is responsible for the definition, governance and stewardship of Argus semantic assets, including ontologies, taxonomies, thesauri, glossaries, controlled vocabularies and semantic reference data. Working closely with business stakeholders, subject matter experts and product teams, the role ensures that business concepts are consistently defined, governed and maintained across the organisation.

The role acts as the primary bridge between business meaning and enterprise semantic governance, ensuring semantic assets remain authoritative, reusable and aligned with business objectives.

What will you be doing

Semantic Analysis & Requirements

• Partner with stakeholders and SMEs to capture business concepts, terminology and semantic requirements.

• Facilitate workshops to identify modelling opportunities, classifications and relationships.

• Analyse business processes, metadata and datasets to support semantic alignment, standardisation and reuse.

• Define semantic requirements and evaluate candidate concepts for governance and modelling.

Ontology, Taxonomy & Vocabulary Development

• Design and maintain ontologies, taxonomies, thesauri, glossaries and controlled vocabularies.

• Define concepts, relationships, hierarchies and semantic constraints.

• Develop and maintain business glossaries and semantic reference data.

• Ensure consistent use of terminology and promote semantic asset reuse across domains.

Semantic Governance & Stewardship

• Operate semantic governance processes and approval workflows.

• Manage the lifecycle of semantic assets from proposal through retirement.

• Maintain ownership, stewardship and provenance information.

• Conduct quality reviews, impact assessments and change management activities.

• Monitor adoption and compliance with semantic standards.

Standards & Best Practice

• Apply and promote semantic standards including OWL, RDF, SKOS and SHACL.

• Contribute to modelling standards, governance frameworks and best practices.

• Support semantic governance platforms and associated workflows.

• Develop guidance, documentation and training materials.

Stakeholder Engagement

• Act as the primary liaison between the Ontology Team and business stakeholders.

• Build relationships with data owners, stewards, product teams and SMEs.

• Facilitate agreement on business definitions, classifications and semantic standards.

• Promote the value and adoption of governed semantic assets.

Skills and Experience

Essential

• Experience developing and managing ontologies, taxonomies, thesauri, controlled vocabularies or business glossaries.

• Strong understanding of semantic technologies and standards, including OWL, RDF, SKOS and SHACL.

• Experience operating governance, stewardship or metadata management processes.

• Strong stakeholder engagement, facilitation and requirements gathering skills.

• Experience conducting workshops and working with business subject matter experts.

• Strong analytical, communication and documentation capabilities.

• Experience managing semantic assets throughout their lifecycle.

Desirable

• Experience with semantic modelling and governance platforms such as Graphologi, PoolParty or similar tools.

• Knowledge graph experience.

• Information architecture, metadata management or master/reference data management experience.

• Familiarity with metadata and vocabulary standards.

• Experience operating within enterprise data governance or architecture environments.

What’s in it for you

Our rapidly growing, award-winning business offers a dynamic environment for talented, entrepreneurial professionals to achieve results and grow their careers. Argus recognizes and rewards successful performance and as an Investor in People, we promote professional development and retain a high-performing team committed to building our success.

• Competitive salary and company bonus scheme

• Group pension scheme

• Group healthcare and life assurance scheme

• Hybrid working environment (currently one day in office)

• 25 days annual holiday with incremental increase up to 30 days

• Subsidised gym membership

• Season ticket travel loan

• Cycle to work scheme

• Flexible benefits platform (ability to buy additional medical cover, life assurance, dental cover, holiday, critical illness, travel insurance & health screening)

• Extensive internal and external training