> Markdown version of [/jobs/ext/4537103-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/4537103-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). --- # Mainframe Developer - **Company:** Q1 Technologies, Inc. - **Location:** Aurora, IL, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, COBOL (Programming Language), IBM DB2, Endevor, Job Control Language (JCL), Mainframes, SQL Stored Procedures, SQL Databases, Virtual Storage Access Methods, Freeform SQL, Information Technology - **Published:** November 3, 2026 - **Apply:** https://www.thejobnetwork.com/job/3e8b0160-4d19-4d9b-bf5d-aec42b597e6d/mainframe-developer ## About the Role Primary Skill: COBOL, DB2, JCL, VSAM Secondary: SQL Experience: Minimum 7 years Roles & Responsibilities Bachelor's or master's degree in computer science or related field. Hands on experience working in mainframes technology. - Required skills are COBOL, DB2, JCL, VSAM. - Should have very good experience in writing complex SQL queries, optimizing database performance, and building batch programs and stored procedures. - Should have worked on Endevor, Changeman, File manager, SPUFI. - Desirable to have Agile concepts and financial domain would be plus.