Data Mapping Analyst — Banking Migration
London / Milton/Keynes, United Kingdom | Posted on 06/01/2026
We are seeking an experienced Data MappingAnalyst to support a critical Banking Migration programme. You will play a keyrole in understanding banking application data, mapping data acrossworkstreams, and ensuring accurate and compliant migration from legacy systemsto new solutions. This is an onshore UK-based role with direct engagementacross engineering, business, and compliance stakeholders.
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
Qualifications
* 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
#J-18808-Ljbffr