Asset Servicing: Data Mapping Specialist

SR2 REC LTD; Greater London; On-site; GBP 42,000 - 65,000; Full time

Job summary

SR2 REC LTD in City of London is seeking a Data Mapping Analyst or Consultant to support client onboarding into the middle‑office environment. You will map incoming client data to internal systems and work with business and technology teams to define mapping requirements.

The role is hands-on, focusing on data quality, discrepancies, and documentation, with exposure to derivatives, instrument attributes, and lifecycle events.

Qualifications

• Practical data mapping experience within financial services.
• Understanding of derivatives and lifecycle events.
• Experience with Bloomberg or BlackRock Aladdin.
• Experience interpreting XML/JSON/HTML.
• Strong analytical and problem-solving skills.
• Ability to work with both business and technology teams.

Responsibilities

• Analyze incoming client datasets, message structures and file layouts to understand how they map to internal middle‑office systems.
• Produce source-to-target mappings covering field definitions, transformation rules, mandatory values and exceptions.
• Work through differences in instrument identifiers, trade attributes, reference data and lifecycle events.
• Investigate missing, inconsistent or incorrectly formatted data and agree resolutions with the relevant teams.
• Work with onboarding, operations and technology stakeholders to clarify requirements and downstream dependencies.
• Support testing and reconciliation, checking that mapped data is complete, accurate and fit for its intended use.
• Maintain clear mapping documentation and capture reusable rules to improve subsequent client onboardings.

Skills

Data mapping

Derivatives

Bloomberg Aladdin

XML/JSON/HTML

Stakeholder comms

Analytical skills

Tools

XML

JSON

HTML

Job description

SR2 REC LTD in City of London is seeking a Data Mapping Analyst or Consultant to support client onboarding into the middle‑office environment. You will map incoming client data to internal systems and work with business and technology teams to define mapping requirements.

The role is hands-on, focusing on data quality, discrepancies, and documentation, with exposure to derivatives, instrument attributes, and lifecycle events.