What are the responsibilities and job description for the Senior Mainframe Developer 100% on site position at International Software Systems, Inc.?
- Conduct discovery and assessment of existing mainframe workloads (COBOL, JCL, DB2, VSAM, IMS, CICS).
- Define modernization strategies: Rehost, Replatform, Refactor, Retire, Replace.
- Develop migration roadmaps, risk mitigation, and rollback plans.
- Design target-state architecture for rehosted applications on cloud or distributed platforms.
- Ensure compliance with security, performance, high availability, and disaster recovery requirements.
- Create detailed blueprints for migration patterns and integration with modern systems.
- Design ETL processes for migrating mainframe data (Datacom) to SQL Server.
- Act as SME for modernization initiatives and provide technical leadership to engineering teams.
- Communicate architecture and strategy to stakeholders and executives.
- Participate in code migration and data transformation efforts as part of rehosting.
- Collaborate with architects and cloud teams to support GCP-based modernization.
- Support batch job execution, console monitoring, and production control.
- Provide critical inputs and guidance during migration.
Required Experience
- Strong background in application development using legacy technologies such as COBOL, CICS, JCL, VSAM, Easytrieve, IDEALDatacom, RPG, ASM, MQ (experience in some or all of these technologies).
- Understanding of interfacing systems and ongoing projects.
- Hands-on experience in modernization and migration strategies.