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# Mainframe Developer

- **Company:** softwareXperts GmbH
- **Location:** Austria
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Disaster Recovery, Job Control Language (JCL), Mainframes, Systems Architecture, Z/OS, Data Logging, Transaction Processing (Computing), Code Restructuring, Dynatrace
- **Published:** September 14, 2026
- **Apply:** https://www.sw-xperts.com/jobs-projekte/10330?no_cache=1

## About the Role

* 10+ years of professional experience in mainframe computing
 * Strong hands-on experience with COBOL
 * Solid experience with IBM z/OS
 * Strong knowledge of:
 + DB2
 + CICS
 + JES/JCL
 * Proven experience in the banking, securities trading, or financial services industry
 * Strong analytical and structured approach to problem-solving
 * Ability to work independently and take ownership of assigned topics
 * Excellent communication and collaboration skills
 * Ability to work effectively across different teams and disciplines
 * Strong prioritization and organizational skills
 * Willingness to both give and receive constructive feedback
 * Team-oriented mindset combined with a high degree of independence
 * Fluent English is required
 * German is an advantage
 * Willingness to work 2-3 days per week on-site in Vienna

Nice to Have

Experience with the following technologies and tools would be an advantage:

 * Java on z/OS
 * Strobe
 * Dynatrace
 * Xpediter
 * ChangeMan, * 20 years of IT-recruitment experience
 * access to a huge talentpool
 * individual consulting.

## Description

Wien Part-Time 1x / week on site 01.10.2026

Must haves

 * COBOL / DB2
 * CICS
 * JES/JCL

Nice to have

 * Java on z/OS
 * Strobe
 * Dynatrace

Wanted Expertise

 * Developer - Databases- SQL-Server, DB2, ...
 * Developer - Developer (other)

Your Tasks

 * Develop and implement new features and functionalities using COBOL
 * Maintain and enhance the existing securities processing system
 * Refactor and optimize existing modules with a focus on performance and maintainability
 * Improve application logging, monitoring, and troubleshooting capabilities
 * Contribute to the enhancement of disaster recovery solutions
 * Integrate the mainframe environment with a modern, decentralized system architecture
 * Work on critical business processes including:
 + Order management
 + Securities trading and settlement
 + Fee and tax calculation
 + Transaction processing
 * Analyze existing applications and identify opportunities for technical and performance improvements
 * Collaborate closely with other development and technical teams
 * Take ownership of technical topics and drive them through to successful implementation
 * Contribute to a high-quality, stable, and future-oriented mainframe environment


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