Senior Mainframe Developer

Key Responsibilities

• Perform code screening, analysis, and scraping of existing mainframe applications to identify dependencies, inefficiencies, and improvement opportunities
• Design, develop, test, and maintain COBOL-based applications
• Develop and manage JCL jobs, including batch processing and scheduling workflows
• Work with CCS / Control-M / enterprise scheduling systems for job automation and monitoring
• Analyze legacy code and contribute to modernization strategies
• Collaborate with cross-functional teams to support integration with distributed systems or APIs
• Troubleshoot production issues, identify root causes, and implement fixes
• Ensure adherence to coding standards, performance guidelines, and security practices
• Document technical specifications, code changes, and system workflows
• Support QA/UAT cycles and deployment activities

Required Skills & Qualifications

• 8+ years of experience in Mainframe development
• Strong hands-on experience with:
  • COBOL
  • JCL (Job Control Language)
  • Mainframe utilities (VSAM, DB2, CICS as applicable)
• Experience with CCS / Control-M / similar job scheduling tools
• Experience with DB2, CICS transaction processing
• Proven experience in code analysis, reverse engineering, and refactoring legacy systems
• Strong debugging and problem-solving skills
• Familiarity with batch processing and high-volume transaction systems
• Ability to work independently and in a team-oriented environment

Nice-to-Have Skills

• Basic understanding of system integration concepts (APIs, middleware, web services)
• Exposure to mainframe modernization initiatives
• Familiarity with distributed systems or cloud integration
• Knowledge of DevOps practices for mainframe environments