ai engineer in global security

Kharon operates at the nexus of global security, transforming complex security data into intelligence that helps clients understand and operationalize risks related to business relationships. Its products cover financial crimes, sanctions, export controls, and threat identification for global financial and multinational institutions.

• Own and evolve Corestream, Kharon's risk intelligence feed for entity-level insights and topic-based risk narratives;
• Redesign and improve semantic search capabilities using BM25 tuning, semantic distance, RAG, and reranking;
• Integrate Kharon's risk analysis outputs into the search layer so graph-based insights surface meaningfully in search results and sub-network exploration;
• Drive the evolution of the narrative generation pipeline that transforms graph and analytical data into accurate written intelligence for customers;
• Partner with Product and Engineering to own the Corestream roadmap and advance it;
• Optimize the metrics defining search quality and narrative relevance.

• Have proven interest or experience in global security, financial crimes, sanctions, export controls, or related domains;
• Have 3+ years of experience in a Data Science or AI Engineering role;
• Have hands-on experience with semantic search, including BM25, vector search, reranking, and retrieval evaluation;
• Have experience with RAG pipelines and agentic systems in production;
• Be proficient in Python and SQL;
• Independently take ownership of tickets and drive initiatives forward in alignment with a product roadmap;
• Nice to have: Experience with graph-aware search or integrating knowledge graph outputs into retrieval systems.

• Discretionary annual bonus;
• Monthly pay frequency;
• 180-Day probationary period;
• Fully sponsored private health insurance;
• Pension plan with 3% employer contribution;
• Annual leave plus bank holidays;
• Must have the right to work in the UK; visa sponsorship is not available.