Decommissioning - Profil Natural - Adabas

Presentation

The Federal Police is undergoing an ambitious digital and organizational transformation. Within the Digital Transformation Office (DTO), we are contributing to modern processes, stronger operational support, and more data-driven services. From the pillars of IT, innovation, and intelligence/data, we are working on stable foundations, future-oriented technologies, and better support for field services. Do you want to make an impact in an environment where digitization, legacy modernization, and social relevance come together?

The assignment involves controlled exposure of a critical ADABAS/Natural database environment on BS2000 to a new Linux platform, without disrupting existing operations.

The focus is on building technical modules for data extraction and data transformation, and setting up a replication mechanism so that the BS2000 environment and the Linux environment can function temporarily in parallel and as synchronously as possible.

The candidate develops, tests, and documents the necessary components to reliably make existing data and new data streams available on the new platform. The migration of the applications themselves is not part of the assignment; the focus is on data, transformation, replication, synchronization, and validation.

Mission

For this assignment, we are looking for an experienced technical profile with strong knowledge of the BS2000 mainframe environment, particularly Natural and ADABAS. The person must be able to analyze existing legacy processes, correctly interpret data objects, and develop technical modules that enable data extraction, transformation, replication, and validation towards a Linux platform.

The assignment requires a good knowledge of existing mainframe components, as the current environment runs on BS2000 and the data is currently managed and processed via Natural and ADABAS processes. Documentation has historically not always been complete or immediately usable, which means the candidate must also be able to independently analyze existing programs, jobs, objects, and data streams.

The candidate works on a mechanism whereby the BS2000 environment and the Linux environment function temporarily in parallel and as synchronously as possible, without the existing feeding processes needing to be adjusted initially. Finally, the candidate is also responsible for testing and validation, including technical test scenarios, comparison between source and target data, reconciliation checks, detection of missing or duplicate records, checking for erroneous mappings or transformations, and documentation of test results, deviations, and corrective actions.

Soft skills

Practical

Start date: 15/09/2026
Duration: 73 days (extendable)
Work regime: full-time (40 hours/week)
Workplace: rue Royale 202A 1000 Brussels
Employment conditions: presence in the office at least 2 times a week depending on tasks and in consultation with the team, remote work allowed (in Belgium)
Team: multidisciplinary, mix of internal and external staff.