> Markdown version of [/jobs/ext/1171066-hiring-mainframe-developer-omaha-ne-berkeley-heights-nj-alpharetta-ga-onsite](https://www.wearedevelopers.com/jobs/ext/1171066-hiring-mainframe-developer-omaha-ne-berkeley-heights-nj-alpharetta-ga-onsite). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Hiring: Mainframe Developer || Omaha, NE || Berkeley Heights, NJ || Alpharetta, GA (Onsite) - **Company:** Key2Source INC - **Location:** Alpharetta, GA, United States - **Experience:** Expert - **Salary:** $93,600.0 - $104,000.0 - **Contract:** Temporary to permanent - **Skills:** Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Software Quality, Code Review, Databases, IBM DB2, Software Debugging, Job Control Language (JCL), Job Scheduling, Mainframes, Application Data - **Published:** July 3, 2026 - **Apply:** https://www.careerjet.com/jobad/us78eac90251735d1a7b75e6cfa8ca8a97 ## About the Role * 5+ years of writing, testing, and debugging COBOL programs using established coding standards and best practices * 5+ years of developing and maintaining JCL scripts to manage batch processing and job scheduling * 5+ years of designing, developing, and maintaining DB2 databases to support application data needs * 5+ years of writing and maintaining CICS transaction programs to provide online access to mainframe applications Key2Source ## Description * Collaborating with business analysts and project managers to gather requirements and design technical solutions * Creating and executing test plans to ensure application functionality and quality * Participating in code reviews and providing feedback to other developers to ensure code quality and adherence to standards * Troubleshooting and resolving application issues in a timely and efficient manner * Keeping up-to-date with emerging technologies and industry trends to suggest process improvements or new solutions. ## 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) - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)