{"schemaVersion":"jobsearcher.job.v1","id":"6e434cfa2f8e7b03ce4a58ed","url":"https://jobsearcher.com/jobs/6e434cfa2f8e7b03ce4a58ed","canonicalUrl":"https://jobsearcher.com/jobs/6e434cfa2f8e7b03ce4a58ed","title":"Senior Mainframe Developer","description":"Job Details:Develop and maintain mainframe applications using COBOL to support business processes.Design, write, and optimize JCL jobs for batch processing and scheduling.Work with DB2 databases for data storage, retrieval, query optimization, and performance tuning.Develop and support CICS online programs for Realtime transaction processing.Handle VSAM files for data storage, access, and file management operations.Analyze business requirements and provide techno functional solutions in mainframe environmentSkills-:Mainframe, JCL, COBOL, DB2, VSAM, CICS, Production Support, Fund Accounting/ Security Lending Domain, ITSM processes.#Mainframe #COBOL #COBOLDeveloper #MainframeDeveloper #MainframeCOBOL #JCL #DB2 #VSAM #CICS #MainframeApplications #MainframeDevelopment #BatchProcessing #RealTimeProcessing #ProductionSupport #ApplicationSupport #TechnoFunctional #FundAccounting #SecuritiesLending #FinancialServices #Banking #Finance #MainframeSystems #LegacySystems #COBOLJobs #MainframeJobs #MainframeDeveloperJobs #ChicagoIL #ChicagoJobs #IllinoisJobs #OnsiteJobs #ITJobs #TechJobs #ContractJobs #W2 #C2C #USITJobs #USITRecruitment #Hiring #NowHiring","company":"Qualis1","rawCompany":"qualis1","city":"Chicago","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-08-13T12:11:13.578Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Mainframe Developer","description":"Job Details:Develop and maintain mainframe applications using COBOL to support business processes.Design, write, and optimize JCL jobs for batch processing and scheduling.Work with DB2 databases for data storage, retrieval, query optimization, and performance tuning.Develop and support CICS online programs for Realtime transaction processing.Handle VSAM files for data storage, access, and file management operations.Analyze business requirements and provide techno functional solutions in mainframe environmentSkills-:Mainframe, JCL, COBOL, DB2, VSAM, CICS, Production Support, Fund Accounting/ Security Lending Domain, ITSM processes.#Mainframe #COBOL #COBOLDeveloper #MainframeDeveloper #MainframeCOBOL #JCL #DB2 #VSAM #CICS #MainframeApplications #MainframeDevelopment #BatchProcessing #RealTimeProcessing #ProductionSupport #ApplicationSupport #TechnoFunctional #FundAccounting #SecuritiesLending #FinancialServices #Banking #Finance #MainframeSystems #LegacySystems #COBOLJobs #MainframeJobs #MainframeDeveloperJobs #ChicagoIL #ChicagoJobs #IllinoisJobs #OnsiteJobs #ITJobs #TechJobs #ContractJobs #W2 #C2C #USITJobs #USITRecruitment #Hiring #NowHiring","datePosted":"2026-08-13T12:11:13.578Z","dateModified":"2026-08-13T12:11:13.578Z","hiringOrganization":{"@type":"Organization","name":"Qualis1","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"6e434cfa2f8e7b03ce4a58ed"},"url":"https://jobsearcher.com/jobs/6e434cfa2f8e7b03ce4a58ed"}}