Role & responsibilities
- Analyze existing RPG applications and support their conversion into COBOL programs.
- Validate converted programs to ensure functional accuracy and business logic consistency.
- Perform unit, functional, integration, and regression testing.
- Execute JCL job testing and validate batch-processing workflows across mainframe and GCP environments.
- Support CICS application and transaction validation during migration.
- Identify application defects, batch failures, and data inconsistencies during modernization.
- Perform root-cause analysis and implement permanent fixes for mainframe data-quality issues.
- Support workload migration, application validation, and production-readiness activities.
- Collaborate with cross-functional teams throughout the mainframe replatforming initiative.
- Maintain technical documentation for conversion, testing, defects, and migration activities. Preferred candidate profile




- Solid hands-on experience in COBOL programming.
- Practical experience with RPG applications and RPG code analysis.
- Good working knowledge of JCL and CICS.
- Strong understanding of IBM Mainframe architecture and batch-processing concepts.
- Experience in legacy application development, maintenance, and modernization.
- Knowledge of application debugging, performance analysis, and troubleshooting.
- Experience in mainframe data analysis, data validation, and remediation.
- Exposure to Google Cloud Platform (GCP) and mainframe-to-cloud migration.
- Prior experience in mainframe replatforming, legacy modernization, or enterprise migration projects.
- Knowledge of automated code conversion, application assessment, and testing tools will be an added advantage.

📌 Mainframe Modernization Engineer (Hyderabad)
🏢 4sight
📍 Hyderabad