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September 29, 2026

Mainframe Software Engineer

Senior • On-site

Copenhagen, Denmark

Quick Facts

  • Role: Mainframe Software Engineer (Post-Trade)
  • Focus: Securities, investment, and settlement processing
  • Count: 2 positions

Description

Work on mainframe systems for a Post-Trade agenda supporting securities, investment, and settlement tasks. You will collaborate on mainframe-related work, write COBOL and JCL, optimize DB2 on z/OS, use CICS for transaction processing, and leverage IBM MQ for messaging and integration. The role includes performance tuning, debugging, and troubleshooting using abend and system dump analysis.

Responsibilities

  • Collaborate on mainframe systems-related tasks and ensure optimal performance
  • Program using COBOL and JCL
  • Manage and optimize DB2 for z/OS databases
  • Use CICS for transaction processing
  • Utilize IBM MQ for messaging and integration tasks
  • Conduct performance tuning and debugging of applications
  • Analyze abend codes and system dumps to troubleshoot issues

Requirements

  • Analytical thinking and ability to break down complex problems
  • Business acumen with understanding of customer needs, banking operations, and regulatory requirements
  • Process understanding of functional and non-functional requirements and how they translate into system behavior
  • Clear communication with stakeholders, developers, and end users (written and verbal)
  • Coordination skills to organize planned activities and involve the right stakeholders with the right information
  • Documentation/specification skills (business procedures, user guides, requirement specifications, decision documentation)
  • Curiosity and proactivity; ability to work with cross-functional teams and navigate change and ambiguity

Benefits

Not specified in the provided posting.

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