> Markdown version of [/jobs/ext/3611494-mainframe-software-engineer](https://www.wearedevelopers.com/jobs/ext/3611494-mainframe-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Software Engineer - **Company:** Erste Digital GmbH - **Location:** Wien, Austria - **Experience:** Expert - **Salary:** €64,554.0 - **Contract:** Permanent contract - **Skills:** Adaptable Database Systems, Agile Methodology, Artificial Intelligence, Application Lifecycle Management, Confluence, JIRA, Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, Fault Tolerance, HP Systems Insight Manager, Job Control Language (JCL), IBM Mainframe, Interactive System Productivity Facility (ISPF), PostgreSQL, Mainframes, Oracle (Applications), Software Engineering, SQL Databases, Toolchain, Git, Bitbucket, Microservices - **Published:** October 8, 2026 - **Apply:** https://www.bankkarriere.at/job/2635883 ## About the Role We are looking for an engaged and enthusiastic (Senior) Software Developer Mainframe to join our team help shape our applications for the future by building efficient and stable libraries and state of the art microservices which you will also get in contact with., * Proficiency in Natural/Adabas * Comfort working in a mainframe environment and familiarity with decentralized programmers, as well as a strong interest in leveraging AI-assisted development tools * Ability to collaborate with decentralized programmers on an equal footing * Strong knowledge of application lifecycle, including planning, requirements analysis, implementation, and operation, * Ability to work in a team, reliability and resilience characterize you, as well as self-motivation and the ability to analyze complex contexts and to explain them in a generally understandable way * Ability to iterate quickly without sacrificing quality and attention to detail * A passion of improving existing systems as well as creating "Functional & Technical Specifications" and the corresponding software and process documentation * A commitment for learning and sharing knowledge with others * A team player who is comfortable working in agile teams and taking responsibility for defined tasks * Strong communication skills in both German and English, with the ability to express your values and opinions clearly * Occasional night or weekend duties do not deter you Hardskills: * Track record of several years of work experience preferably in the banking industry * Mainframe Development Skills: experience in software development and knowledge of Cobol/DB2, ADABAS/Natural, SQL, CICS, ISPF, JCL (on IBM Mainframe zOS) * Development of secure and fault-tolerant software * SQL databases (Oracle, Postgres, ...) * Application-Lifecycle knowledge (planning, requirements analysis, implementation & operation) Bonusskills: * Infrastructure (servers, networks, ...) and operating systems * Operations architecture and application monitoring * Microservices design and implementation * Coding & modernisation with support of AI * Agile toolchain (Jira, Confluence, Bitbucket/git) * Ideally, knowledge of the bank's basic business and its projects