Mainframe Developer

EDZ Systems; United States; On-site; USD 80,000 - 120,000; Full time

Job summary

EDZ Systems is seeking experienced Mainframe Application Developers with expertise in IBM z/OS technologies and COBOL development. You will develop and support critical applications and collaborate closely with technical and business teams.

The ideal candidate will have strong problem-solving skills, experience with batch processing, and should be flexible to provide production support. A background in financial services or large enterprises is preferred.

Qualifications

• Experience developing and supporting applications in IBM z/OS environments.
• Strong knowledge of COBOL, JCL, VSAM, and DB2.
• Experience with enterprise batch processing and scheduling tools.

Responsibilities

• Develop, maintain, and support enterprise applications in IBM z/OS environments.
• Support application modernization and system upgrades.
• Work with business users to gather requirements and implement solutions.

Skills

COBOL

JCL

VSAM

DB2

Tools

CICS

Control-M / IBM Scheduling Tools

Batch Processing

IBM Content Manager OnDemand (CMOD)

IBM Content Navigator (ICN)

Job description

We are seeking experienced Mainframe Application Developers with expertise in IBM z/OS technologies, COBOL development, and enterprise document management platforms. The ideal candidate will have strong experience supporting and enhancing mission-critical mainframe applications, batch processing systems, and enterprise content management solutions. This role involves application development, maintenance, production support, troubleshooting, and collaboration with business and technical teams to deliver reliable and scalable solutions.

Key Responsibilities

• Develop, maintain, and support enterprise applications in IBM z/OS environments.
• Design, code, test, and implement enhancements using COBOL, JCL, VSAM, DB2, and CICS.
• Analyze and resolve production issues, application defects, and performance bottlenecks.
• Support batch processing and job scheduling activities across enterprise systems.
• Develop and maintain DB2 database programs, queries, and data access processes.
• Create and maintain JCL for application execution, batch processing, and system integrations.
• Support application modernization, system upgrades, and deployment activities.
• Work closely with business users, analysts, and technical teams to gather requirements and implement solutions.
• Participate in incident management, root cause analysis, and ongoing production support activities.
• Document technical designs, operational procedures, and support processes.
• Support and develop solutions utilizing IBM Content Manager OnDemand (CMOD).
• Maintain and enhance document archival, retrieval, and reporting systems.
• Support IBM Content Navigator (ICN) integrations and document management workflows.
• Troubleshoot document retrieval, storage, indexing, and reporting issues.
• Work with enterprise document management and content services platforms.
• Support report distribution, archival processes, and data retention requirements.

Required Skills

• COBOL
• JCL (Job Control Language)
• VSAM
• DB2

Additional Mainframe Technologies

• CICS
• Control-M / IBM Scheduling Tools
• Batch Processing
• Production Support
• IBM Content Manager OnDemand (CMOD)
• IBM Content Navigator (ICN)
• Document Management Systems
• Enterprise Reporting and Archival Solutions

Preferred Skills

• Streamweaver
• SQL
• ServiceNow (SNOW)
• Jira
• SharePoint
• Confluence
• AI-assisted development tools such as GitHub Copilot, Windsurf, or similar platforms
• Application monitoring and performance tuning
• SDLC methodologies and Agile practices

Qualifications

• Experience developing and supporting applications in IBM z/OS environments.
• Strong knowledge of COBOL, JCL, VSAM, and DB2.
• Experience with enterprise batch processing and scheduling tools.
• Experience supporting production environments and troubleshooting complex application issues.
• Familiarity with IBM Content Manager OnDemand (CMOD), IBM Content Navigator (ICN), or related enterprise content management solutions is highly preferred.
• Ability to work independently and collaboratively in a fast-paced enterprise environment.
• Strong analytical, problem-solving, and communication skills.

Preferred Experience

• Banking, financial services, insurance, healthcare, government, or large enterprise environments.
• Mainframe modernization initiatives.
• Enterprise content management and document archival systems.
• Large-scale production support and application maintenance environments.

Note

Candidates should be flexible to provide production support and participate in rotational on-call support when required.