Remote Mainframe Developer — COBOL/NATURAL/ADABAS

CAI; Dover (DE); Remote; USD 116,000 - 127,000; Full time

Benefits offered by this job

Remote work

Healthcare benefits

401k retirement plan

Job summary

CAI is seeking an experienced Mainframe Developer to join our IT team. You will work on COBOL, JCL, NATURAL, and ADABAS in a remote, contract capacity, supporting multiple client projects and ensuring high quality, reliable batch and online processing.

The role requires deep legacy mainframe expertise, strong debugging and problem-solving skills, and the ability to design, code, test, and document complex mainframe solutions.

Qualifications

• 5+ years developing enterprise mainframe applications using COBOL.
• 5+ years of JCL development and job scheduling.
• 3+ years of NATURAL/ADABAS experience.
• 5+ years of using TSO/ISPF or similar mainframe editing tools.
• 3+ years of AFP, PAGEDEF, FORMDEF, and OVERLAY technologies.

Responsibilities

• 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

Skills

COBOL

JCL

NATURAL

ADABAS

TSO/ISPF

AFP

PAGEDEF

FORMDEF

OVERLAY

CICS

Job description

CAI is seeking an experienced Mainframe Developer to join our IT team. You will work on COBOL, JCL, NATURAL, and ADABAS in a remote, contract capacity, supporting multiple client projects and ensuring high quality, reliable batch and online processing.

The role requires deep legacy mainframe expertise, strong debugging and problem-solving skills, and the ability to design, code, test, and document complex mainframe solutions.