Contract - Business Analyst / Project Manager (GMI Migration)

Location: London Hybrid (2-3 days in the office)

Duration: 6 months (with potential to extend)

The Role: We’re looking for aBusiness Analyst / Project Manager (BA/PM)to work in the Global Markets Technology & Operations for one of our Financial Services clients. You will work on decommissioning a legacy platform(GMI)and migrating to the next-generation target architecture. We are seeking a highly analytical, hybrid Business Analyst / Project Manager with a proven track record of delivering high-impact data migration, transformation and platform migration initiatives within Capital Markets. You will be the bridge between Clearing Operations, Technology, Front Office and Finance dissecting legacy data structures and designing the "To-Be" data flows, business rules, and mapping for the target platform. This is ahighly technical operational rolerequiring an expert understanding of the skills below. Key Responsibilities; responsibilities but not limited toBusiness Analysis & Requirements Engineering: Lead requirements gathering, process analysis, and target-state design for cleared derivatives platforms, including Futures & Options trade lifecycle processes and downstream finance impacts. Process Design & Documentation, Hands-on test execution, Writing Procedures & Training Data Profiling, Analysis & Mapping: Perform data analysis, profiling, and source-to-target mapping to support migration activities, ensuring data quality, integrity, and alignment across legacy and target platforms. Migration, Testing & Parallel Runs: Drive migration readiness through test design, reconciliation frameworks, defect resolution, UAT support, and parallel run validation to ensure successful platform implementation. Stakeholder & Program Delivery: Collaborate and partner with business, technology, operational teams, vendors, and clearing houses to deliver complex transformation initiatives while managing risks, dependencies, and programme milestones. Basic PM skills – RAID tracking, Test & Defect management, Stakeholder management Essential Skills and Experience An experiencedBA/PMfrom a Tier 1 Investment Bank, Prime Services, Clearing House (CCP) or a top-tier Management Consulting firm Experience ofGlobal Markets Interface (GMI product), next-generation clearing platforms (e.g. FIS Cleared Derivatives Suite / CDS ) andION XTP(post-trade processing platform), Reference Data or Markets Operations Capital Markets Delivery: Proven experience delivering complex data migration, transformation, reconciliation and platform migration initiatives within capital markets or tier-1 investment banking environments Knowledge ofOTC derivatives, Futures & Options (F&O) Trade Lifecycle , Reference Dataand Market Operations : Solid functional knowledge of the end-to-end Futures & Options trade lifecycle, including trade capture, clearing mechanics, settlement, position management, and operational exception handling Good understanding ofFinancial Accountingand General Ledger (GL)processes. Must understand how transactional business events generate downstream accounting entries and the formation of debit and credit postings System Knowledge: Deep, practical familiarity with clearing and markets operations. Understanding of security master setup, end-of-market runs (EOM), regional processing, and core report structuresSQL & Data Analysis: Advanced proficiency inSQL(writing complex joins, subqueries, CTEs, analytical functions) to query relational databases ( Oracle, Sybase, DB2, orSQL Server )Data Migration Engineering: Practical experience defining/validating source-to-target mappings (STTM), designing data quality rules, writing migration test cases, and outlining business acceptance criteriaAI-Assisted Analysis : Practical experience (or strong proficiency) in utilizing AI-assisted analysis tools, LLMs, or agentic frameworks to accelerate data profiling, break analysis, and root cause investigation Master ofMicrosoft Excel(Power Query, advanced formulas) Stakeholder managementskills; focus on maintaining high data integrity and driving operational risk reduction. Outstandingcommunication skills, with the ability to articulate highly technical data mappings and accounting flows to business operational users Familiar with automated reconciliation platforms (e.g. Intellimatch, SmartStream )Knowledge ofAgiledelivery frameworks (e.g. Jira, Confluence ) andBPMNDeliverables: Responsibilities but not limited to: Source-to-Target Mapping (STTM) Template: Specifying how core legacy tables map to a modern normalized target schema. Event-to-Postings Accounting Map (General Ledger Integration): Outlining how key clearing events (e.g., Option Exercise or Margin Settlement) translate into debit/credit entries. Parallel Run Reconciliation Framework: Establishing the matching rules, tolerances, and the integration of AI-assisted tools for rapid break investigation. Business Acceptance Criteria & Go-Live Readiness Checklist: Detailing the data quality gates and operational criteria required for a safe decommissioning sign-off. IR35 As a means of managing tax, commercial and reputational risks, Deloitte prohibits the use of Associates through Personal Service Companies (‘PSCs’). All Associates must contract under PAYE arrangements through a Deloitte approved ‘Employment Company’ (aka ‘umbrella company.’)