Mainframe Support Jobs In Belgium - 16 Job Positions Available

Mainframe Developer – ADABAS/Natural & BS2000 Location: Brussels, Belgium – Hybrid Start Date: 15 September 2026 Duration: 73 days Workload: Full-time, 40 hours/week We are looking for an experienced Mainframe Developer to support the controlled migration of a critical

Mainframe Solution Architect – Capital Markets Location: Brussels, Belgium Employment Type: Contract Duration: 6 Months Start Date: ASAP Experience: 8–10 years Job Overview We are looking for an experienced Mainframe Solution Architect with strong expertise in mainframe technologies and

Mainframe Designer (Brussels, Belgium) Requirement ID: 10870306Location: Brussels, BelgiumStart Date: ASAPDuration: 6 MonthsStatus: Open Role: Mainframe Designer (8–10 Years Experience) We are seeking an experienced Mainframe Designer with strong expertise across PL/I, JCL, DB2, SQL, and CICS. The ideal

Joining KEYES means giving purpose to your talent. Are you looking for an environment where technology is not an end in itself, but a lever to build a sustainable future? At KEYES, we are not just

Au sein de notre département IT, nous recherchons un·e TestAnalyst hands-on pour renforcer l’équipe en charge de la qualité, del’utilisabilité et de la performance de nos systèmes IT au sein du département Life. Il s’agit d’un

Mission Overview: You will be employed as a consultant at a client site representing Keystone Solutions. The client is responsible for managing police information and ICT resources. Within this environment, the Systems Division develops ICT system

Mission Overview: You will be employed on a consultancy mission at a client site representing Keystone Solutions. The client is responsible for managing police information and ICT resources. Within this environment, the Systems Division develops the

Functional / Data Analyst – Legacy & Data Migration About the Role We are looking for an experienced Functional / Data Analyst to support the modernization of legacy and mainframe-based systems. The role focuses on analyzing existing applications,

Functional Analyst – Legacy & Data Migration About the Role We are looking for a Functional Analyst to support the modernization of legacy and mainframe-based systems. The role focuses on analyzing existing applications, data structures and business processes

Full-Stack Developer – PHP / Python / JavaScript About the Role We are looking for an experienced Full-Stack Developer to contribute to a major data modernization program, helping migrate critical data from legacy mainframe systems to a