{"schemaVersion":"jobsearcher.job.v1","id":"7a2bd08018602f0944f84700","url":"https://jobsearcher.com/jobs/7a2bd08018602f0944f84700","canonicalUrl":"https://jobsearcher.com/jobs/7a2bd08018602f0944f84700","title":"Mainframe Developer","description":"We are seeking a skilled Mainframe Developer to join our team and support the development, maintenance, and enhancement of mission-critical applications. The ideal candidate will have extensive experience in COBOL, DB2, JCL, CICS, IMS-DB, and other mainframe technologies, with a strong focus on application development and 24/7/365 production support.⸻ Key Responsibilities • Design, develop, test, and implement new and existing business applications. • Provide round-the-clock production support and troubleshoot Mainframe systems to ensure high availability and reliability. • Develop interfaces and reports to support business operations. • Conduct system integration and user acceptance testing. • Review, modify, and debug existing programs to improve performance and reliability. • Collaborate with cross-functional teams to resolve issues and implement enhancements.⸻ Technical Environment • Languages & Tools: COBOL, JCL, Changeman, File-Manager, IBM Debug Tool, dBeaver, IWS Job Scheduler, MQMON, TSO/ISPF • Databases: DB2, IMS-DB • Transaction Management: CICS • File Systems: VSAM⸻ Required Qualifications • 5 to 15 years of hands-on experience in: • COBOL • DB2 • JCL • IMS-DB • CICS • VSAM • Experience in providing 24/7/365 production support for critical systems. • Strong problem-solving and analytical skills. • Excellent communication and teamwork abilities.⸻ Preferred Qualifications • Experience with job scheduling tools like IWS. • Familiarity with debugging and file management tools. • Exposure to Agile or DevOps environments is a plus.⸻ Soft Skills • Strong organizational and time management skills. • Ability to work independently and in a team-oriented environment. • Proactive attitude with a focus on continuous improvement. • Effective communication with technical and non-technical stakeholders. • Adaptability to changing priorities and business needs.","company":"Programmers.io","rawCompany":"programmersio","city":"Jacksonville","state":"FL","isRemote":false,"isActive":false,"createdAt":"2026-04-12T19:10:44.055Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"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":"Mainframe Developer","description":"We are seeking a skilled Mainframe Developer to join our team and support the development, maintenance, and enhancement of mission-critical applications. The ideal candidate will have extensive experience in COBOL, DB2, JCL, CICS, IMS-DB, and other mainframe technologies, with a strong focus on application development and 24/7/365 production support.⸻ Key Responsibilities • Design, develop, test, and implement new and existing business applications. • Provide round-the-clock production support and troubleshoot Mainframe systems to ensure high availability and reliability. • Develop interfaces and reports to support business operations. • Conduct system integration and user acceptance testing. • Review, modify, and debug existing programs to improve performance and reliability. • Collaborate with cross-functional teams to resolve issues and implement enhancements.⸻ Technical Environment • Languages & Tools: COBOL, JCL, Changeman, File-Manager, IBM Debug Tool, dBeaver, IWS Job Scheduler, MQMON, TSO/ISPF • Databases: DB2, IMS-DB • Transaction Management: CICS • File Systems: VSAM⸻ Required Qualifications • 5 to 15 years of hands-on experience in: • COBOL • DB2 • JCL • IMS-DB • CICS • VSAM • Experience in providing 24/7/365 production support for critical systems. • Strong problem-solving and analytical skills. • Excellent communication and teamwork abilities.⸻ Preferred Qualifications • Experience with job scheduling tools like IWS. • Familiarity with debugging and file management tools. • Exposure to Agile or DevOps environments is a plus.⸻ Soft Skills • Strong organizational and time management skills. • Ability to work independently and in a team-oriented environment. • Proactive attitude with a focus on continuous improvement. • Effective communication with technical and non-technical stakeholders. • Adaptability to changing priorities and business needs.","datePosted":"2026-04-12T19:10:44.055Z","dateModified":"2026-04-12T19:10:44.055Z","hiringOrganization":{"@type":"Organization","name":"Programmers.io","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Jacksonville","addressRegion":"FL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"7a2bd08018602f0944f84700"},"url":"https://jobsearcher.com/jobs/7a2bd08018602f0944f84700"}}