Senior Business Analyst - Sponsored Repo / T+1

Location: London (Hybrid)

A leading global financial institution is undergoing a major transformation programme to prepare for mandatory U.S. Treasury clearing and the move to FICC-sponsored repo. They're looking for a high-calibre Senior Business Analyst with deep expertise in securities operations, repo, and regulatory change to drive delivery across a critical, high-visibility programme.

This is a hands-on, delivery-focused role perfect for someone who thrives in fast-paced environments, can work autonomously, and loves solving complex operational and systems challenges.

As the Senior BA, you'll be a key driver in migrating bilateral repo flows into centrally cleared structures. Your role will include:

Leading requirements gathering across trade capture, lifecycle events, reconciliations & exception management Redesigning workflows for centrally cleared repo, including allocations, margining, settlement, and affirmation Creating clear, structured requirements & user stories (Jira), ensuring full traceability Mapping current vs. target state and defining the full Target Operating Model (TOM) Building detailed test packs, executing testing, and supporting UAT Analysing data flows, system interactions, dependencies & operational bottlenecks Supporting readiness for clearing cycles, netting, depot transfers, and CCP obligations Acting as a bridge between Ops, Front Office, Technology, Network Management & external clearing participants Contributing to project governance, RAID management & milestone tracking

To excel in this role, you'll bring:

Strong experience in securities operations, repo, or derivatives lifecycle A track record of delivering regulatory change, migrations, or large-scale transformations A BA first mindset with the ability to operate in hybrid BA/PM mode Excellent technical literacy knowledge of data models, APIs & system behaviours Experience working closely with Front Office, Technology & external clearing brokers Ability to communicate clearly with senior stakeholders and influence decisions

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.