Full-time

Mainframe Developer

Posted by act digital • Lisboa, Distrito de Lisboa, Portugal

📍 Lisboa, Distrito de Lisboa 🕒 February 20, 2026

About the Role

We are looking for a Mid–Senior Cobol Mainframe Developer to develop, maintain, and support critical business applications in a high-availability mainframe environment.

Responsibilities

  • Develop, maintain, and support applications using Cobol in a Mainframe (z/OS) environment.
  • Analyze incidents, troubleshoot issues, and provide production support for critical systems.
  • Work with DB2, scheduling tools (Control-M, TWS), and file transfer solutions.
  • Monitor application performance using Dynatrace and follow ITIL v4 processes.

Requirements

  • Solid experience with Cobol and Mainframe / zOS environments.
  • Knowledge of DB2, Control-M, TWS, E-GEN (or similar), and CFT / Connect Express.
  • French level B2 (mandatory) and English level B2/C1.
  • Ability to work in Open environments (Windows / Linux).

What We Offer

  • Attractive salary package, aligned with experi...

Ready to Apply?

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