Collateral Business Analyst / SME

ace is partnered with a leading Tier 1 Investment Bank, currently undertaking a significant re-platforming of its collateral management infrastructure. The programme involves replacing a legacy vendor solution with a new in-house platform, with a strong focus on controls, exception management and operational workflow redesign. This role will provide hands-on Business Analysis and subject matter expertise to support the platform change, working closely with Technology, Operations and Compliance stakeholders to translate business requirements into functional design. Responsibilities Lead business requirements gathering for collateral workflows, controls, exception management and platform onboarding across the re-platforming programme Conduct gap analysis between the new platform build and current production processes, identifying and resolving operational and control breaks Define expected collateral processing logic and validate outputs independently, providing sign-off before Technology implements Support design reviews and contribute to the future-state collateral architecture in partnership with Technology, Operations and Compliance Develop and execute test scenarios covering key collateral workflows, margin call processing, dispute handling and exception management Interpret and apply collateral-related regulatory and operational obligations to the firm's data model and system design Produce structured status updates and maintain clear, milestone-driven delivery plans for senior stakeholder reporting Support BAU collateral queries and issue resolution as required, on a secondary basis to programme delivery Produce documentation covering control ownership, business requirements and implementation readines 5+ years' experience in collateral management at a Tier 1 Investment Bank, with direct involvement in platform change or system onboarding (e.g. Colleen, Vermeg or equivalent) Proven Business Analysis skills — requirements writing, acceptance criteria, structured documentation and delivery tracking Deep knowledge of collateral workflows including margin call processing, dispute management, exception handling and control frameworks Hands-on experience working alongside Engineering / Technology teams on collateral platform implementations Strong understanding of data lineage, reconciliations and operational control design Ability to translate complex business requirements into clear functional specifications for IT delivery Experience managing and communicating milestone-driven delivery plans to senior stakeholders Strong documentation and stakeholder management skills Desirable Familiarity with collateral platforms such as Colleen, Vermeg, Acadiasoft or similar Experience with data querying tools (e.g. BigQuery, SQL) for validation and testing purposes Understanding of regulatory margin requirements (e.g. UMR, EMIR, Dodd-Frank) as they apply to collateral operations Prior experience working in a programme management or structured delivery environment 6-month initial contract with likelihood of extension. September estimated start. Salary to be discussed.