Oliver James Associates

Il y a 3 jours

Brussel, Brussel-Hoofdstad, Belgique ictjob.be Temps plein 60 000 € - 90 000 € Contrat

Oliver James is partnering with a leading enterprise organization migrating its core legacy systems from Adabas (Mainframe) to PostgreSQL. We are seeking a Data Functional Analyst to bridge the gap between legacy business logic and modern database architecture. Working directly alongside Data Engineers and DBAs, you will define data mappings and ensure a seamless, high-integrity migration.

Key responsibilities

  • Legacy Data Analysis & Mapping: Deep-dive into Mainframe data structures and define accurate functional target mappings to PostgreSQL relational schemaq
  • Technical & Functional Guidance: Act as the primary functional advisor for Data Engineers and DBAs, writing clear functional specifications to guide ETL/ELT pipeline development and schema design
  • Data Quality & Reconciliation: Design data validation strategies, define test scenarios, and execute cross-database reconciliation checks (Mainframe legacy vs. PostgreSQL) to guarantee 100% data integrity and consistency
  • Data Lineage & Documentation: Maintain comprehensive data dictionaries, mapping rulebooks, and lineage documentation throughout the migration lifecycle
  • Cross-Functional Collaboration: Serve as the functional point of contact for resolving legacy data ambiguities and translating complex business rules for the technical delivery team