{"schemaVersion":"jobsearcher.job.v1","id":"3720e6e2a2c5c96b671fa3c3","url":"https://jobsearcher.com/jobs/3720e6e2a2c5c96b671fa3c3","canonicalUrl":"https://jobsearcher.com/jobs/3720e6e2a2c5c96b671fa3c3","title":"Mainframe Developer","description":"Mainframe Developer. They want a senior Mainframe SME/Lead who can understand an existing legacy application by reverse-engineering it and then drive its modernization/migration to AWS.MAIN SKILLSMainframe Reverse EngineeringAbility to analyze existing legacy code, understand application flow, dependencies, business logic, and undocumented systems.COBOL + JCL + DB2 + VSAM + CICS are the core technologies.AWS Migration / Cloud TransformationExperience migrating/modernizing Mainframe workloads to AWS.Should understand target-state architecture and migration strategies.Legacy ModernizationExperience transforming legacy Mainframe applications into modern/cloud-based platforms.Should be able to identify what to rehost, refactor, rewrite, or retire.Mainframe TechnologiesCOBOLJCLDB2VSAMCICSTechnical Leadership / 15+ YearsThey need someone senior enough to lead the reverse-engineering and AWS transformation effort, not just execute COBOL coding tasks.","company":"NLB Services","rawCompany":"nlb services","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-09-11T09:33:43.894Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe Developer","description":"Mainframe Developer. They want a senior Mainframe SME/Lead who can understand an existing legacy application by reverse-engineering it and then drive its modernization/migration to AWS.MAIN SKILLSMainframe Reverse EngineeringAbility to analyze existing legacy code, understand application flow, dependencies, business logic, and undocumented systems.COBOL + JCL + DB2 + VSAM + CICS are the core technologies.AWS Migration / Cloud TransformationExperience migrating/modernizing Mainframe workloads to AWS.Should understand target-state architecture and migration strategies.Legacy ModernizationExperience transforming legacy Mainframe applications into modern/cloud-based platforms.Should be able to identify what to rehost, refactor, rewrite, or retire.Mainframe TechnologiesCOBOLJCLDB2VSAMCICSTechnical Leadership / 15+ YearsThey need someone senior enough to lead the reverse-engineering and AWS transformation effort, not just execute COBOL coding tasks.","datePosted":"2026-09-11T09:33:43.894Z","dateModified":"2026-09-11T09:33:43.894Z","hiringOrganization":{"@type":"Organization","name":"NLB Services","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"3720e6e2a2c5c96b671fa3c3"},"url":"https://jobsearcher.com/jobs/3720e6e2a2c5c96b671fa3c3"}}