COBOL Mainframe Engineer for Legacy Sunset Projects

Your ITeams Sp. z o.o.; Polska; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Luxmed Gold Extended medical care

Multisport Plus benefit

Job summary

Your ITeams Sp. z o.o. seeks a COBOL Developer with mainframe expertise to support legacy systems.

The role focuses on stabilizing and transitioning legacy applications in a sunset programme, across cross-functional teams. Strong problem-solving and attention to detail are essential for success. You will work in a structured environment with emphasis on collaboration, documentation, and knowledge transfer, while contributing to decommissioning activities and safe migration.

Qualifications

• Strong COBOL knowledge on mainframe platforms.
• Experience with PL/I in production or maintenance context.
• Experience with sunset and decommissioning projects.

Responsibilities

• Maintain and support mainframe applications written in COBOL.
• Contribute to PL/I tasks and resolve issues in mixed-language modules.
• Participate in decommissioning and sunset activities for safe migration or retirement.
• Investigate and resolve production incidents and document findings.

Skills

COBOL

Mainframe

PL/I

Root cause analysis

Education

Technical education or equivalent

Tools

Mainframe tooling

Job description

Your ITeams Sp. z o.o. seeks a COBOL Developer with mainframe expertise to support legacy systems.

The role focuses on stabilizing and transitioning legacy applications in a sunset programme, across cross-functional teams. Strong problem-solving and attention to detail are essential for success. You will work in a structured environment with emphasis on collaboration, documentation, and knowledge transfer, while contributing to decommissioning activities and safe migration.