Business Analyst

Business Analyst - Decommissioning Project 📍 Location: Primarily London / Horsham / Liverpool 📅 Contract: Inside IR35 💼 Duration: Initial 6-Month Contract 🏢 Hybrid Working: 2–3 Days On-Site per Week About the Role: We are seeking an experienced Business Analyst to support a large-scale legacy application decommissioning and rationalisation programme within a complex enterprise environment. This role will focus on application retirement, integration simplification, infrastructure dependency analysis, and cost take-out initiatives across a broad technology estate. Working closely with infrastructure, security, risk, application, and business teams, you will play a key role in documenting requirements, mapping technical and operational dependencies, supporting regulatory compliance activities, and driving structured decommissioning delivery. Key Responsibilities: - Lead business analysis activities across legacy application decommissioning and rationalisation initiatives - Support application retirement programmes focused on integration simplification and operational cost reduction - Conduct detailed application inventory and dependency mapping across enterprise technology estates - Document and analyse infrastructure, application, interface, and data dependencies - Facilitate stakeholder workshops and coordinate activity across infrastructure, security, risk, and application teams - Produce high-quality business requirements, user stories, acceptance criteria, and supporting documentation - Support process mapping, operational impact assessments, and transition planning activities - Collaborate with technical and delivery teams to identify risks, blockers, and remediation activities Essential Skills & Experience: ✔ Must have recent, strong experience supporting legacy application decommissioning, rationalisation, or transformation programmes ✔ Proven Business Analyst experience within large-scale enterprise technology environments ✔ Experience with application landscape mapping and infrastructure dependency analysis ✔ Strong understanding of CMDB structures and enterprise system relationships ✔ Knowledge of data lineage, data retention, and regulatory compliance considerations ✔ Excellent stakeholder management and cross-functional coordination skills ✔ Experience working across infrastructure, security, risk, and application delivery teams ✔ Strong documentation skills including business requirements, user stories, and acceptance criteria ✔ Experience using Jira and Confluence for Agile delivery and documentation management ✔ Strong understanding of Agile delivery methodologies and structured analysis practices Technical & Domain Awareness: Legacy policy administration platforms Claims systems and rating engines Middleware and enterprise integrations SQL and Oracle database estates Application and data centre rationalisation initiatives VMware and virtual infrastructure migration programmes Storage and backup environment retirement Disaster Recovery (DR) and network segmentation rationalisation