Senior Mainframe Developer
Summary
A senior role at adesso in Pune developing and maintaining mainframe applications in COBOL/PL/I on IBM z/OS, using CICS, DB2, JCL batch workflows, and WebSphere MQ/RVS integration, while supporting modernization through REST APIs and C#/.NET or Java.
YOUR ROLE
- Develop, enhance and maintain applications using COBOL and/or PL/I on IBM z/OS, from requirements through go-live
- Support online transaction processing with CICS and relational data access with DB2 for z/OS
- Develop, maintain and troubleshoot batch jobs, procedures and file-processing workflows using JCL and OPC Scheduler
- Investigate defects and resolve production issues using mainframe development, testing and diagnostic tools
- Support backend integration using IBM WebSphere MQ and/or RVS
- Contribute to modernization work, including integration with REST APIs and applications built with C#/.NET or Java
- Take part in code reviews, testing, release activities and production support, following established quality and change-management practices
- Work with cross-functional teams to turn business requirements into stable, supportable solutions
- Act as a role model for the team through pairing, reviews and daily collaboration
YOUR PROFILE
- 6–8 years of IT experience in mainframe application development or support
- Hands-on experience with COBOL and/or PL/I on IBM z/OS, CICS, DB2 for z/OS, and JCL and PROCMAN
- Hands-on experience with File-AID, Xpediter, TSO/ISPF, EJES and BETA92
- Experience with IBM WebSphere MQ and/or RVS for backend integration
- Solid understanding of batch and online processing in enterprise environments
- Familiarity with OpenText HostExplorer, SCMS, IBM Developer for z/OS (or equivalent IBM Rational tooling), and Innovator for Information Architects for data model management
- Experience with ITSM processes in ServiceNow, documentation in Confluence, and user-story tracking in Jira
- Strong analytical and problem-solving skills, and the ability to work effectively in a DevOps-oriented environment
- Good English; the ability to communicate clearly with international teams and clients
- Nice to have Automation with REXX
- Mainframe modernization or integration experience using C#/.NET and/or Java
- Experience designing, consuming or supporting REST APIs
- Working knowledge of SQL and PostgreSQL, in addition to DB2
- Basic knowledge of AWS or another cloud platform
- Familiarity with Docker and container orchestration fundamentals
- Automotive project experience or familiarity with automotive business processes
- Experience with Jira, Confluence and other Atlassian tools