Job Title: Business Analyst – Data Mapping / Operations / ETL Location: Central London (Hybrid – 3 Days in Office) Day Rate: £475-500pd (Outside IR35) Duration: [6 Months, with potential extension] Start Date: [ASAP / Flexible] A leading financial services firm is seeking an experienced Business Analyst for a contract engagement focused on data mapping, operational transformation, and integration across custodial and internal systems. This role plays a key part in ensuring accurate and compliant transaction data flows through the business, with a focus on ETL processes and integration with external custodians such as Pershing or RBC. Key Responsibilities • Act as the bridge between business operations and technology teams, translating business needs into detailed data and process requirements. • Lead data mapping activities between internal platforms and third-party custodians (e.g., Pershing, RBC). • Analyse current-state operations, focusing on transaction reporting, trade processing, and reconciliations. • Collaborate with data engineering teams to define and validate requirements at the ETL layer. • Support testing cycles (UAT, data validation, defect resolution) for data and system integration. • Create and maintain documentation including business requirements, data dictionaries, process maps, and data flow diagrams. • Engage stakeholders across operations, compliance, and IT to ensure successful delivery of business outcomes. Key Requirements • Proven experience as a Business Analyst within a financial services or investment operations environment. • Strong expertise in data mapping and data flow analysis across complex systems. • Solid understanding of ETL processes, data transformation, and integration best practices. • Experience working with custodians such as Pershing and/or RBC – essential. • Background in operations including transaction reporting, settlements, and post-trade processes. • Excellent stakeholder management and communication skills. • Strong documentation skills – experience with tools like Confluence, Jira, Visio, and Excel. • Ability to work independently and deliver in a fast-paced, regulated environment.