> Markdown version of [/jobs/ext/2001576-sr-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/2001576-sr-mainframe-developer). 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). --- # Sr Mainframe Developer - **Company:** Genius Business Solutions Inc - **Location:** United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), Static Program Analysis, IBM DB2, Job Control Language (JCL), Rexx (Programming Language), Systems Analysis, Interactive System Productivity Facility (ISPF), Job Scheduling, Mainframes, Software Engineering, Virtual Storage Access Methods, File Transfer Protocol (FTP), File-aid, Easytrieve - **Published:** August 9, 2026 - **Apply:** https://www.wayup.com/i-j-Sr-Mainframe-Developer-Genius-Business-Solutions-92634610107882/ ## About the Role We are seeking a seasoned Mainframe Application Support Specialist with 8-10 years of experience in systems analysis and development. The role requires strong expertise in COBOL, JCL, CICS, VSAM, DB2, and related mainframe tools. Candidates must have prior banking domain experience, excellent problem-solving skills, and the ability to investigate complex business cases. Mandatory skills: Experience in mainframe systems Experience in Application Support Strong communication skills Key Responsibilities 1\. 10 years of systems analysis/application development experience 2\. Strong background in core Mainframe systems development 3\. Expertise in COBOL, CICS, JCL, VSAM, DB2 4\. Knowledge of Easytrieve, CA-7; exposure to CICS (nice to have), PANVALET, XPEDITOR, PANAPT, FILEAID 5\. Experience with file structures (VSAM, GDG, Fixed Block, Variable Block), ISPF, TSO, FTP 6\. Exposure to JCL program execution and COBOL-DB2 coding 7\. Application development using CICS 8\. Experience with processing VSAM datasets and dataset allocation, ISPF/PDF 9\. Familiarity with Easytrieve & REXX (good to have) 10\. Experience with job scheduling, incident management, and problem management 11\. Ability to investigate complex business cases and explain via code analysis 12\. Previous banking domain experience is compulsory 13\. Contribution to both development and production support teams 14\. Strong problem-solving skills for issue resolution 15\. Experience with documentation and document repositories 16\. Excellent verbal and written communication skills ## 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) - [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) - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Quick guide: How to write a Software Developer CV](https://www.wearedevelopers.com/magazine/37-quick-guide-how-to-write-a-software-developer-cv) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)