Mainframe Developer (COBOL, CICS, DB2)

Job Title: Mainframe Developer (COBOL, CICS, DB2)

Location: Columbus, OH
Experience: 9+ Years

Job Summary

We are seeking an experienced Mainframe Developer with strong expertise in IBM Mainframe technologies to develop, enhance, and support enterprise applications. The ideal candidate will have extensive hands-on experience with COBOL, JCL, CICS, DB2, VSAM, IMS, and batch processing, along with a solid background in production support, performance tuning, and system integration.

Required Skills

Mainframe Development

• 9+ years of experience in IBM Mainframe application development
• Strong expertise in:
  • COBOL
  • JCL
  • CICS
  • DB2
  • VSAM
  • IMS (DB/DC)
• Experience developing:
  • Batch Processing Applications
  • Online Transaction Processing (OLTP) Systems

Database & Integration

• Strong SQL and DB2 programming skills
• Experience with:
  • Stored Procedures
  • Database Performance Tuning
  • Data Access Programs
• Experience integrating mainframe applications using:
  • IBM MQ
  • APIs
  • Distributed Systems

Production Support

• Experience in:
  • Production Support
  • Incident Management
  • Root Cause Analysis
  • Performance Optimization
  • Application Maintenance
  • System Upgrades

Scheduling & Tools

• Experience with enterprise schedulers:
  • CA-7
  • Control-M
  • Equivalent Scheduling Tools
• Familiarity with source control, deployment, and release management processes

SDLC & Methodologies

• Agile
• Waterfall
• SDLC Best Practices
• Code Reviews
• Unit Testing
• System Testing

Key Responsibilities

• Design, develop, test, and maintain enterprise mainframe applications using COBOL, JCL, CICS, DB2, VSAM, and IMS
• Develop and support batch and online transaction processing (OLTP) applications
• Analyze business requirements and translate them into technical solutions
• Develop and optimize DB2 queries, SQL programs, and stored procedures
• Troubleshoot production issues, perform root cause analysis, and implement permanent fixes
• Support application enhancements, maintenance, and platform upgrades
• Manage and monitor batch jobs using CA-7, Control-M, or equivalent scheduling tools
• Develop interfaces between mainframe and distributed systems using IBM MQ and APIs
• Participate in code reviews, testing, deployment, and production release activities
• Optimize application performance, scalability, security, and reliability
• Collaborate with cross-functional teams throughout the software development lifecycle
• Prepare technical documentation and support ongoing production operations

Preferred Qualifications

• Experience with IBM z/OS environments
• Knowledge of mainframe modernization initiatives
• Experience in banking, insurance, healthcare, or other large enterprise environments
• Strong analytical, troubleshooting, and communication skills