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# Senior Mainframe Developer - COBOL / DB2

- **Company:** ITProposal
- **Location:** Brussel, Belgium
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Job Control Language (JCL), IBM System Z, Mainframes, Pl/i, Software Engineering, SQL Databases
- **Published:** August 13, 2026
- **Apply:** https://www.careerjet.be/jobad/bec402cc5767f1666707bc1923d24feed9

## About the Role

We are looking for an experienced Senior Mainframe Developer with strong expertise in COBOL, PL/I, JCL, DB2, SQL, and CICS. The ideal candidate will have solid application development and process design experience, preferably within Capital Markets or Investment Banking environments.
The successful candidate will work in a global environment and should demonstrate strong analytical, problem-solving, communication, and interpersonal skills., * 8-10 years of relevant mainframe development experience.

 * Strong knowledge of COBOL.
 * Strong knowledge of PL/I, JCL, DB2, SQL, and CICS.
 * Experience with Mainframe DB2 Application Development.
 * Experience working with System Z / JCL.
 * Application and process design experience.
 * Strong analytical and problem-solving skills.
 * Excellent interpersonal and communication skills.
 * Ability to work effectively in a global environment.

Desirable

 * Strong PL/I coding experience.
 * Domain knowledge in Capital Markets or Investment Banking.
 * Ability to quickly learn and adopt new technologies and methodologies.

## Description

* Develop and maintain mainframe applications using COBOL and related technologies.
 * Design and implement application processes and solutions.
 * Work with DB2 databases and SQL.
 * Develop and maintain JCL processes.
 * Work with CICS and other mainframe technologies.
 * Analyze technical requirements and translate them into effective solutions.
 * Participate in development projects and application enhancements.
 * Troubleshoot and resolve application and technical issues.
 * Collaborate with global technical and business teams.
 * Quickly learn and adapt to new technologies and methodologies.


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