Junior & Senior mainframe 

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Experience: 7+ Years
Location: Remote - Chennai, Bangalore, Mumbai (laptop collection)
Employment Type: Full-Time

We are seeking an experienced Senior Mainframe Developer to design, develop, maintain, and enhance enterprise-level applications on IBM Mainframe systems. The ideal candidate will have strong expertise in COBOL, JCL, CICS, and DB2, along with a solid understanding of legacy system modernization, performance tuning, and production support.

• Design, develop, test, and maintain applications using COBOL, JCL, CICS, and DB2
• Analyze business requirements and translate them into technical specifications
• Enhance and maintain existing mainframe applications with minimal supervision
• Perform impact analysis and implement code changes for new enhancements

• Develop and optimize DB2 SQL queries, stored procedures, and indexes
• Work with CICS transactions for high-performance online processing
• Ensure data integrity, performance, and security standards are maintained

• Create and maintain JCL jobs for batch processing
• Monitor and troubleshoot job failures and performance issues
• Optimize batch cycle times and resource utilization

• Provide L2/L3 support for production issues and system outages
• Perform root cause analysis and implement long-term fixes
• Support deployment activities and manage code migrations

• Collaborate with cross-functional teams including QA, business analysts, and architects
• Participate in integration and system testing
• Ensure adherence to SDLC and coding standards

• 7+ years of hands-on experience in Mainframe technologies
• Strong expertise in:COBOL (Batch & Online)
  JCL (Job Control Language)
  CICS (Customer Information Control System)
  DB2 (SQL, performance tuning)
  
• Good understanding of VSAM datasets, file handling
• Experience with mainframe tools such as:IBM z/OS
  TSO/ISPF
  Endevor / Changeman / other version control tools
  
• Knowledge of SDLC methodologies (Agile / Waterfall)
• Strong debugging, analytical, and problem-solving skills