Lead Security Knowledge Graph Scientist

Infinity Quest Limited; Leeds; On-site; GBP 90,000 - 120,000; Full time

Job summary

Infinity Quest Limited seeks a senior leader to design, engineer, and operationalize enterprise Security Knowledge Graphs linking telemetry, assets, identities, vulnerabilities, and incidents into trusted intelligence. The role blends data science, graph engineering, and cybersecurity analytics to enable attack-path analysis and AI-assisted security operations.

The candidate will own end-to-end design reviews, production pipelines, and model validation while mentoring teams and collaborating

Qualifications

• Ownership of production graph knowledge graph or analytics solution, preferably in cybersecurity.

Responsibilities

• Lead design and implementation of Security Knowledge Graph architecture and ontology.
• Build production-grade graph ingestion, transformation, and enrichment pipelines.
• Develop graph analytics, embeddings, and ML models (centrality, clustering, link prediction).
• Design GraphRAG and knowledge-grounded security assistants with traceable evidence.
• Mentor data scientists and engineers and drive production readiness.

Skills

Graph design

Python development

Cypher queries

Data science

Leadership

Security analytics

Education

Bachelor’s or Master’s in CS/DS/AI/Cybersecurity

Tools

Neo4j

Amazon Neptune

Databricks

GraphX/ML frameworks

Job description

Infinity Quest Limited seeks a senior leader to design, engineer, and operationalize enterprise Security Knowledge Graphs linking telemetry, assets, identities, vulnerabilities, and incidents into trusted intelligence. The role blends data science, graph engineering, and cybersecurity analytics to enable attack-path analysis and AI-assisted security operations.

The candidate will own end-to-end design reviews, production pipelines, and model validation while mentoring teams and collaborating