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# Mainframe Developer

- **Company:** Indotronix Avani Group
- **Location:** Richmond, VA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, JSON, Software Engineering, Systems Integration, Virtual Storage Access Methods, Z/OS, File Transfer Protocol (FTP), Warehouse Management Systems
- **Published:** October 5, 2026
- **Apply:** https://candidateportal.ceipal.com/job-details/u1iYOiWuDjGUKSnZ0CRILWeBL5JARWYFWSy1il2XNBw

## About the Role

7+ years of IBM z/OS mainframe development

 - Senior-level COBOL development proficiency
 - Advanced hands-on experience with JCL, CICS, DB2, VSAM
 - Proven troubleshooting, debugging, and root-cause analysis ability
 - Experience maintaining and enhancing existing enterprise applications
 - Ability to independently understand and modify legacy codebases
 - Strong written and verbal communication skills
 - Meticulous attention to detail and collaborative mindset

[Preferred Skills]

 - Application modernization and migration experience
 - API and system integration background
 - Knowledge of transportation, logistics, or supply chain systems
 - Familiarity with CA7, Tidal, FTP, or similar batch scheduling tools, Must-Haves Senior-level COBOL development experience Strong troubleshooting/debugging skills JCL CICS DB2 VSAM Experience working independently in IBM z/OS environments Ability to understand and modify existing legacy codebases

## Description

Join a high-impact team as a Senior Mainframe Applications Developer, supporting mission-critical enterprise systems for a stable, multi-year project. This is a unique opportunity to engage in a structured knowledge transfer with a senior subject matter expert and take ownership of essential legacy applications. Contribute to modernization and migration efforts, ensuring business continuity for a major transportation/logistics environment. Remote work is available, with preference for candidates in Virginia or the Mid-Atlantic region.

[Responsibilities]

 - Maintain and enhance complex mainframe applications on IBM z/OS platforms
 - Analyze and modify COBOL, JCL, CICS, DB2, and VSAM legacy codebases
 - Diagnose and resolve production issues, performing root-cause analysis
 - Support application modernization and mainframe-to-modern-platform migration initiatives
 - Map application dependencies and integrations between legacy and modern systems
 - Collaborate with internal teams, including DBAs, storage, and application groups
 - Document and participate in a comprehensive knowledge transfer process
 - Ensure compliance with SOX requirements for order-to-cash business processes
 - Provide limited production support, including occasional early-morning batch job investigation