Mainframe Analyst & Developer (COBOL)

Confidential

Brussels, Brussels, Belgium permanent

Posted: April 28, 2026

Job Description

In order to reinforce their consultant teams, MAINSYS is looking for a Mainframe Analyst & Developer who will:

You will ...

• Translate business requirements specifications into programming instructions.

• Conduct impact analysis for development and implementation of application systems.Translate business requirements specifications into programming instructions.

• Analyze, develop, review, and modify programming systems, including encoding, testing, debugging and installing for large-scale systems.

• Provide support for existing applications and recommendations for enhancements.

• Identify problems, determine the root cause, and deliver solutions.

• Apply sound judgment in prioritizing/time allocation.

• Participate in technical projects (COBOL, JAVA, SQL,…)

• Be part of a Mainsys team working in closed collaboration

We coach our banking IT consultants in the context of the projects and aiming at developing the required skills, both in IT and around the banking applications and business.

Your Profile

• You are an Engineer (must have)

• You have interest in IT projects.

• You are proficient in French and can communicate in English.

• Knowledge of JAVA and SQL is mandatory

• Knowledge or at least interest in using/learning COBOL is mandatory

• Knowledge of other programming languages is an asset

• You have between 0 to 5 years’ experience in a similar function

Our offer

• Work on a challenging project inside a young and dynamic team

• A competitive salary combined with extra-legal benefits, including a mobility budget with the option to choose between a company car and/or reimbursement for sustainable transport, and even, under certain conditions, reimbursement of your mortgage or rent.

• Access to our training platform

• Enjoy access to the Benefits@Work platform and its exclusive offers.

• A desk in a nice office and of course your own workplace @home according to the client's policy

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