We are looking for a COBOL Mainframe Developer with over 5 years of COBOL experience for a contract based in Antwerp. The position offers a hybrid work arrangement with a minimum of two days per week onsite in Antwerp. The contract duration is at least 12 months and the start date is ASAP.
Required skills include COBOL V5, IBM z/OS Mainframe, CICS, VSAM, Batch, JCL, and SDSF. Nice-to-have skills include RDZ and exposure to agentic coding. Language proficiency required is very good Dutch and English, with basic French.
Responsibilities cover development, technical analysis, testing, bug fixing, and second- and third-line support.