Data Migration Analyst: Legacy to PostgreSQL

Editx; Brussel; On-site; EUR 55,000 - 90,000; Full time

Job summary

Editx is collaborating with a leading Brussels-based enterprise to migrate its core data from Adabas mainframe to PostgreSQL. We seek a Data Functional Analyst to bridge legacy business logic with modern database architecture, working alongside Data Engineers and DBAs.

You will define data mappings, write functional specifications for ETL/ELT flows, ensure data quality, and document lineage and mappings throughout the migration lifecycle, guaranteeing data integrity and cross-functional

Qualifications

• Legacy data analysis and mapping to PostgreSQL
• Strong collaboration with data engineers and DBAs
• Data quality and reconciliation planning
• Documentation of data lineage and mappings

Responsibilities

• Analyze legacy mainframe data structures and define functional mappings to PostgreSQL schema
• Provide functional guidance to data engineers and DBAs; write clear specifications for ETL/ELT pipelines
• Design and implement data validation strategies and reconciliation checks across databases
• Maintain data dictionaries, mapping rulebooks, and lineage documentation throughout the migration
• Serve as the functional contact to translate business rules for technical delivery teams

Job description

Editx is collaborating with a leading Brussels-based enterprise to migrate its core data from Adabas mainframe to PostgreSQL. We seek a Data Functional Analyst to bridge legacy business logic with modern database architecture, working alongside Data Engineers and DBAs.

You will define data mappings, write functional specifications for ETL/ELT flows, ensure data quality, and document lineage and mappings throughout the migration lifecycle, guaranteeing data integrity and cross-functional