Business Analyst - Data and AI Consultancy (Defence and National Security) Location: London (office-based with client site work) Clearance: DV Cleared (essential) Salary: 55,000 - 65,000 per annum Contract: Full-time, permanentWe are hiring Business Analysts to join a fast-growing, mission-led data and AI consultancy delivering high-impact programmes across UK Defence and National Security. This is an opportunity to work at the centre of complex, high-stakes environments, helping clients turn operational challenges into clearly defined, data-enabled solutions.As a Business Analyst, you''ll operate at the interface between senior stakeholders, technical delivery teams, and end users, shaping requirements and ensuring solutions deliver real-world value. Projects are varied and often sensitive, requiring strong judgement, discretion, and the ability to work confidently within secure environments.What you''ll be doing:Engaging with Defence and government stakeholders to understand operational needs, pain points, and objectivesEliciting, analysing, and documenting business and user requirementsTranslating complex problems into clear, structured artefacts (use cases, process maps, user stories, acceptance criteria)Supporting delivery teams throughout the lifecycle to ensure solutions meet user and mission needsContributing to workshops, briefings, and decision-making sessions with senior stakeholdersWhat we''re looking for:Proven experience as a Business Analyst in complex, data-le