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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mainframe Developer - **Company:** CAI, Inc. - **Location:** Austin, TX, United States (Remote available) - **Experience:** Experienced - **Salary:** $116,480.0 - $126,880.0 - **Contract:** Contract - **Skills:** Adaptable Database Systems, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, Databases, Data Migration, Data Security, Software Debugging, File Transfer, Monitoring of Systems, Job Control Language (JCL), Job Scheduling, Mainframes, Online Transaction Processing, IBM Resource Access Control Facility, Software Deployment, Software Engineering, Systems Architecture, System Testing, Systems Integration, Tso/ispf, Data Server Interface, Software Troubleshooting, Integration Tests, Software Version Control, Legacy Systems - **Published:** September 18, 2026 - **Apply:** https://dejobs.org/x/x/6D3DD6EA17E2412A8821919767F5D49D/job/ ## About the Role We are seeking an experienced Mainframe Developer with advanced expertise in COBOL, JCL, and NATURAL, and working knowledge of ADABAS, * 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 Physical Demands * Ability to safely and successfully perform the essential job functions consistent with the ADA and other federal, state, and local standards * Sedentary work that involves sitting or remaining stationary most of the time with occasional need to move around the office to attend meetings, etc. * Ability to conduct repetitive tasks on a computer, utilizing a mouse, keyboard, and monitor ## Description We are seeking a highly skilled and experienced Mainframe Developer to join our IT team. This position will be full-time, remote, and is a contract position., * 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 ## Related Videos - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Cloud as the new mainframe: why the cloud hype does not reflect the dev reality](https://www.wearedevelopers.com/videos/797-cloud-as-the-new-mainframe-why-the-cloud-hype-does-not-reflect-the-dev-reality) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam)