> Markdown version of [/jobs/ext/938642-senior-lead-mainframe-developer-in-peoria-il](https://www.wearedevelopers.com/jobs/ext/938642-senior-lead-mainframe-developer-in-peoria-il). 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). --- # Senior/Lead Mainframe Developer in Peoria, IL - **Company:** ValueBase Consulting - **Location:** Peoria, IL, United States - **Experience:** Expert - **Salary:** $114,400.0 - **Contract:** Permanent contract - **Skills:** Customer Information Control System (CICS), COBOL (Programming Language), IBM DB2, File Systems, Job Control Language (JCL), IBM Mainframe, Mainframes, Virtual Storage Access Methods, Z/OS, Servicenow - **Published:** June 30, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=0ba0c6f3c1f46410 ## About the Role Do you have experience in Mainframe development?, * 12+ years of hands-on experience with COBOL programming on IBM z/OS * Proficiency in JCL, VSAM, DB2, IMS, and CICS, $AVRS * Skills on ACF2 rules and Sequential files (naming scheme) * Experience with OPC (scheduling) * Good communication and analysis skills (Desired) Prior experience with ServiceNow Soft Skills: * Must have good communication, interpersonal skills. * End user knowledge in IBM mainframe and/or any ERP. * Strong initiative and the ability to learn quickly is desired. * Should have good team skills and positivity for working in a cooperative and diverse team ## Related Videos - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [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) - [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option) - [Migrating from COBOL with AI: A Moonshot Demo](https://www.wearedevelopers.com/videos/1531-migrating-from-cobol-with-ai-a-moonshot-demo) - [Can This Elephant Dance? IBM Bob and the Future of AI-First Software Development](https://www.wearedevelopers.com/videos/100256-can-this-elephant-dance-ibm-bob-and-the-future-of-ai-first-software-development) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [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) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [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)