Data Mapping Analyst — Banking Migration

Data Mapping Analyst — Banking Migration

Onshore | UK

Location: Onshore, UK

Employment Type: Contract / Permanent

Domain: Banking & Financial Services

About the Role

We are seeking an experienced Data Mapping Analyst to support a critical Banking Migration programme. You will play a key role in understanding banking application data, mapping data across workstreams, and ensuring accurate and compliant migration from legacy systems to new solutions. This is an onshore UK-based role with direct engagement across engineering, business, and compliance stakeholders.

Requirements

Key Responsibilities

•       Develop a strong working knowledge of banking applications and the data underpinning them

•       Translate migration requirements into detailed data attributes across workstreams

•       Understand and manage data synchronisation and reconciliation across data transfer files

•       Design and implement effective database queries to match, retrieve, and extract data

•       Identify database structural requirements by evaluating migration operations, applications, and engineering

•       Assess database implementation procedures for compliance with internal and external regulations

•       Oversee the end-to-end migration of data from legacy systems to new platforms

•       Support and provide consultancy to database engineering teams

•       Recommend improvements to JCL queries and Oracle/Mainframe database queries

Required Skills & Experience

•       Strong knowledge and understanding of banking applications and underlying data structures

•       Demonstrable experience in data migration, including ETL tooling

•       Solid understanding of data synchronisation and reconciliation across transfer files

•       Ability to design and execute effective database queries (Oracle/Mainframe)

•       Familiarity with JCL queries and legacy mainframe environments

•       Understanding of regulatory compliance requirements in a banking context