Principal Business AnalystLocation: London Department: Finance, Tax and Treasury Technology (within a global technology change function) Reports to: Head of Finance, Tax and Treasury TechnologyOverviewWe are looking for a highly experienced Principal Business Analyst to play a pivotal role in shaping and delivering complex technology and business change initiatives. The successful candidate will lead on system impact assessments, requirements gathering, and process re-engineering, with a focus on Finance AUM reporting, fee billing, and rebates.This is a senior-level position that requires both a deep technical toolkit and a strong understanding of the financial services industry. The successful candidate will be a recognised champion of best practice, driving continuous improvement and ensuring alignment across global teams.Key ResponsibilitiesLead end-to-end system impact assessments, covering architecture, integrations, interfaces, and technical dependencies.Own requirements gathering and process mapping, ensuring new operating models and platform transformations are clearly defined and deliver measurable outcomes.Develop impact analysis documentation, capturing operational, data flow, and technical changes.Facilitate workshops with global technology teams, vendors, and business stakeholders to validate and prioritise requirements.Translate complex technical findings into clear insights for senior executives and non-technical stakeholders.Support programme managers in ..... full job details .....