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