Business Analyst/Project Manager- GMI Migration

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Our Client is a big four consultancy firm with a global presence, operating in over 150 countries. This organisation works with many public and private companies spanning multiple industries. The advisory work that they cover spans across audit, Accountancy, tax, corporate finance and consulting.

On behalf of this organisation, AMS are looking for a Business Analyst/Project Manager- GMI Migration for a 6-month contract based in London, hybrid.

Purpose of the role

We're looking for a Business 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.

You will be 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 act as 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 a highly technical operational role requiring an expert understanding of the skills below.

What you'll do

• 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
• Perform data analysis, profiling, and source-to-target mapping to support migration activities, ensuring data quality, integrity, and alignment across legacy and target platforms.
• Drive migration readiness through test design, reconciliation frameworks, defect resolution, UAT support, and parallel run validation to ensure successful platform implementation.
• Collaborate and partner with business, technology, operational teams, vendors, and clearing houses to deliver complex transformation initiatives while managing risks, dependencies, and programme milestones.
• RAID tracking, Test & Defect management, Stakeholder management

The skills you'll need

• An experienced BA/PM from a Tier 1 Investment Bank, Prime Services, Clearing House (CCP) or a top‑tier Management Consulting firm
• Experience of Global Markets Interface (GMI product), next-generation clearing platforms (e.g. FIS Cleared Derivatives Suite / CDS) and ION 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 of OTC derivatives,Futures & Options (F&O) Trade Lifecycle, Reference Data and 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 of Financial Accounting and General Ledger (GL) Must understand how transactional business events generate downstream accounting entries and the formation of debit and credit postings
• Deep, practical familiarity with clearing and markets operations. Understanding of security master setup, end‑of‑market runs (EOM), regional processing, and core report structures
• Advanced proficiency in SQL (writing complex joins, subqueries, CTEs, analytical functions) to query relational databases (Oracle, Sybase, DB2, or SQL Server)
• Practical experience defining/validating source-to-target mappings (STTM), designing data quality rules, writing migration test cases, and outlining business acceptance criteria
• 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 of Microsoft Excel (Power Query, advanced formulas)
• Stakeholder management skills; focus on maintaining high data integrity and driving operational risk reduction.
• Outstanding communication skills, with the ability to articulate highly technical data mappings and accounting flows to business operational users

Next steps

This client will only accept workers operating via an Umbrella or PAYE engagement model.

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