Overview:Job Title: Mainframe DeveloperLocation: Onsite - Omaha, NE / Remote
Experience Required: 10+ Years
Employment Type: ContractRole OverviewWe are seeking a highly experienced
Mainframe Developer to support, modernize, and maintain enterprise mainframe applications. This role involves hands-on development, production support, and participation in
modernization and decommissioning initiatives for legacy mainframe systems. The ideal candidate has deep technical expertise, strong problem-solving skills, and experience operating in mission-critical environments.
Key ResponsibilitiesMainframe Development & Modernization - Design, develop, and enhance COBOL-based mainframe applications to support system improvements.
- Contribute to mainframe modernization and decommissioning efforts, including refactoring and system transitions.
Production & Batch Support - Provide production support, including incident resolution and root-cause analysis.
- Perform batch job monitoring and support, ensuring successful and timely processing.
- Participate in firecall/on-call support rotations to address critical production issues.
System Operations & Maintenance - Maintain and troubleshoot applications using DB2, VSAM, JCL, and CICS.
- Ensure application stability, performance, and data integrity across mainframe systems.
Collaboration & Documentation - Work closely with cross-functional teams to deliver high-quality solutions.
- Document technical changes, support procedures, and operational runbooks.
Required Skills & Qualifications - 10+ years of hands-on experience as a Mainframe Developer.
- Strong expertise in Enterprise COBOL, JCL, DB2, VSAM, and CICS.
- Experience with batch processing, scheduling, and monitoring.
- Hands-on experience with Topaz or similar mainframe development tools.
- Proven experience supporting production environments and handling critical incidents.
- Strong analytical, troubleshooting, and communication skills.
Key Competencies - Ability to work independently and in distributed teams
- Strong ownership of application stability and support
- Adaptability to modernization initiatives and evolving technologies
- Calm and effective response in high-pressure production situations
Technical SkillsEnterprise COBOL | JCL | DB2 | VSAM | CICS | System Z | Batch Processing | Topaz | Mainframe Modernization | Production Support