What You'll Do
- Develop, enhance, and maintain COBOL, NATURAL, and JCL programs supporting multiple client projects
- Work on multiple legacy mainframe applications and integration efforts involving taxation and client systems
- Analyze existing mainframe applications and provide code walkthroughs, technical analysis, and documentation to support modernization teams.
- Design, code, test, implement, and maintain new and existing batch and online mainframe applications
- Troubleshoot production issues, job failures, and system abends; perform root cause analysis and implement corrective actions
- Analyze and support ADABAS databases, file structures, and data access methods
- Develop and maintain data feeds, interfaces, file layouts, and integration processes between legacy systems and modernized platforms
- Participate in system design reviews, technical planning sessions, and code reviews
- Create and maintain technical documentation including program specifications, job flows, system architecture diagrams, and data definitions
- Support system testing, integration testing, user acceptance testing (UAT), and production deployments
What You'll Need
Required:
5+ years of experience developing enterprise mainframe applications using COBOL
5+ years of experience with JCL development and job scheduling.
3+ years of experience with NATURAL/ADABAS
5+ years of experience using TSO/ISPF or similar mainframe editing tools
3+ years of experience with AFP, PAGEDEF, FORMDEF, and OVERLAY technologies
Advanced expertise in COBOL, JCL, and NATURAL programming
Working knowledge of ADABAS database architecture and file structures
Experience maintaining and enhancing large legacy mainframe systems
Strong troubleshooting, debugging, and problem-solving skills for batch and online applications
Experience developing system integrations, data interfaces, file transfers, and data feeds
Ability to analyze technical specifications, system workflows, and data models
Experience with mainframe utilities, job monitoring tools, and debugging tools
Preferred:
Experience supporting taxation, revenue, or government systems
Familiarity with CICS and online transaction processing environments
Experience with legacy modernization or data migration initiatives
Knowledge of mainframe security, scheduling tools, and source code management practices
Key Responsibilities
Participate in the DORES development efforts for the Taxation ITS upgrade project involving multiple legacy mainframe applications.
Analyze existing legacy systems and provide code walkthroughs, logic breakdowns, and technical documentation for ITS development teams.
Design, develop, modify, test, and maintain COBOL and NATURAL programs and associated JCL jobs based on new functional specifications and system enhancement requests.
Perform maintenance and enhancements to existing batch and online mainframe applications.