Mainframe Developer

Job Title: Mainframe Developer

Location: Columbus, OH (Hybrid)

Contract: W2 Only

Duration: 12+ Months

Job Summary:
We are seeking a skilled Mainframe Developer to design, develop, and maintain mission-critical z/OS applications. The ideal candidate will have expertise in COBOL, DB2, CICS, and modern DevOps practices for mainframe environments.

Key Responsibilities:

• Develop and maintain COBOL, CICS, and Assembler applications on z/OS
• Design and optimize DB2 and IMS database structures
• Create and manage JCL for batch processing and job scheduling
• Implement CI/CD pipelines for mainframe applications
• Integrate CICS with MQ and configure z/OS Connect for API deployments
• Develop high availability and disaster recovery solutions
• Perform performance analysis and troubleshooting using monitoring tools
• Process VSAM files and use File-AID for data management
• Utilize ISPW for source code management and version control
• Implement automation solutions using Excel VBA macros
• Schedule jobs using Control-M and manage workflows
• Collaborate with teams to modernize mainframe applications
• Document technical specifications and system changes

Required Skills & Qualifications:

• 13+ years of mainframe development experience with z/OS
• Strong expertise in COBOL, DB2, CICS, and JCL
• Experience with IMS database systems
• Knowledge of VSAM file processing
• Familiarity with mainframe tools: ISPW, File-AID, CAFM, DFSORT, LUMI
• Understanding of mainframe monitoring and performance tuning
• Basic knowledge of mainframe automation techniques
• Experience with Microsoft Suite and Excel VBA macros
• Exposure to CI/CD pipelines and DevOps practices
• Ability to integrate mainframe systems with modern APIs

Nice-to-Have Skills:

• Knowledge of Assembler programming
• Understanding of cloud integration patterns
• Familiarity with Agile development methodologies