{"schemaVersion":"jobsearcher.job.v1","id":"804a953cbb6344879edf5bc8","url":"https://jobsearcher.com/jobs/804a953cbb6344879edf5bc8","canonicalUrl":"https://jobsearcher.com/jobs/804a953cbb6344879edf5bc8","title":"Senior Software Engineer – Mainframe","description":"Senior-level mainframe engineer responsible for delivering secure, resilient, and maintainable enterprise application solutions across delivery, modernization, and production support. This role partners across business, technology, QA, architecture, and operations to deliver quality outcomes aligned to enterprise SDLC, risk, regulatory, and technology standards.\r\nPrimary Responsibilities1. Mainframe Software Engineering & DeliveryOwn delivery of secure, resilient, performance-aware mainframe solutions across the full lifecycle from analysis and design through implementation, validation, and production support.\r\nTranslate business and technical requirements into quality application changes that support reliable batch, online, interface, and data-processing capabilities.\r\nTroubleshoot application, transaction, batch, interface, data flow, restart/recovery, and downstream impact issues.\r\nPrepare technical specifications, implementation and backout plans, support documentation, and delivery estimates with clear ownership of risks, dependencies, quality, and production stability.\r\n2. SDLC, Quality & Release ReadinessExecute SDLC activities across requirements analysis, estimation, design, coding, testing, documentation, change control, and release readiness.\r\nApply GitLab and DevOps practices for source control, branching, merge requests, peer review, traceability, CI/CD, deployment planning, and implementation validation.\r\nPrepare and execute unit, integration, regression, batch validation, data reconciliation, UAT support, production verification, and defect resolution activities.\r\nImprove reliability and delivery quality through peer review, code quality, test coverage, automation, release evidence, and post-production validation.\r\n3. Modernization, Integration & StabilitySupport modernization initiatives including API enablement, data integration, technical debt reduction, platform resiliency, and modern IBM z development practices.\r\nContribute to integration designs across mainframe, distributed platforms, cloud-connected applications, MQ, APIs, and data movement patterns.\r\nSupport production applications, batch schedules, online transactions, interfaces, operational workflows, incident resolution, root cause analysis, and problem management.\r\nImprove application stability, performance, restartability, supportability, operational efficiency, and recovery readiness.\r\n4. Collaboration & Technical LeadershipPartner with business, product, architecture, QA, operations, and engineering teams to deliver reliable solutions.\r\nGuide less experienced engineers on application functionality, coding, debugging, testing, release procedures, and SDLC adherence.\r\nMaintain strong knowledge of supported applications, business processes, dependencies, operational impacts, and technical risks.\r\nScope of ResponsibilityWorks independently on complex technical assignments with guidance from the Technology Team Lead, Engineering Lead, or Architect.\r\nCoordinates small to medium technical work efforts and provides technical guidance to less experienced engineers as needed.\r\nEscalates technical risks, delivery issues, design gaps, control concerns, and operational impacts appropriately.\r\nEducation RequiredAssociate’s degree and a minimum of 5 years of systems analysis and/or application development experience; or\r\nIn lieu of a degree, a combined minimum of 7 years of higher education and/or work experience, including a minimum of 5 years of systems analysis and/or application development experience.\r\nRequired ExperienceIBM z/OS mainframe application development experience with COBOL, CICS, JCL, DB2 for z/OS, VSAM, TSO/ISPF, SDSF, Easytrieve+, and related tools supporting batch, online, interface, and data-processing workloads.\r\nStrong technical depth in batch and online processing, including job stream analysis, restartability, scheduling dependencies, ABEND resolution, CICS transaction troubleshooting, and production impact assessment.\r\nExperience with DB2 SQL, data validation, reconciliation, copybooks/file layouts, interface analysis, and performance-oriented troubleshooting.\r\nWorking knowledge of modern IBM z development practices and tools such as IDz, ADDI, DBB, ZUnit, z/OS Connect, ZDIH, and mainframe debugging tools including File-AID, Abend-AID, Xpediter, InterTest, or equivalent.\r\nGitLab, source control, code review, release management, change control, CI/CD, traceability, and deployment readiness experience.\r\nSDLC and Agile delivery experience including requirements analysis, story refinement, estimation, design, coding, unit testing, regression support, implementation, production verification, documentation, and tools such as Jira, Zephyr, and ServiceNow.\r\nStrong analytical, debugging, problem-solving, communication, and collaboration skills across business, technology, QA, architecture, operations, Agile, and cross-functional teams.\r\nAbility to work independently, assess impact across programs, interfaces, data flows, batch processes, and connected applications, and escalate risks, dependencies, design gaps, and operational concerns appropriately.\r\nPreferred ExperienceExperience supporting banking, lending, payments, servicing, or other regulated enterprise applications.\r\nExperience with modernization, platform migration, API enablement, z/OS Connect implementation, MQ/service integration, distributed platform connectivity, technical debt reduction, resiliency, or release quality initiatives.\r\nExperience with Sonar or equivalent code quality/static analysis tools, automated testing, regression automation, deployment validation, observability, monitoring, and operational dashboards.\r\nFamiliarity with RACF or mainframe security concepts, disaster recovery, recovery validation, audit evidence, risk, regulatory, and internal control expectations.\r\nExperience applying AI-assisted engineering tools for code analysis, documentation, testing, or operational support with appropriate human review and validation.\r\nM&T Bank is committed to fair, competitive, and market-informed pay for our employees. The pay range for this position is $97,100.00 - $161,800.00 Annual (USD). The successful candidate’s particular combination of knowledge, skills, and experience will inform their specific compensation. The range listed above corresponds to our national pay range for this role. The specific pay range applicable to you may vary based on your location.\r\nLocationClanton, Alabama, United States of America\r\n#J-18808-Ljbffr","company":"Relha","rawCompany":"relha","city":"Clanton","state":"AL","isRemote":false,"isActive":false,"createdAt":"2026-08-21T01:13:52.907Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"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":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software Engineer – Mainframe","description":"Senior-level mainframe engineer responsible for delivering secure, resilient, and maintainable enterprise application solutions across delivery, modernization, and production support. This role partners across business, technology, QA, architecture, and operations to deliver quality outcomes aligned to enterprise SDLC, risk, regulatory, and technology standards.\r\nPrimary Responsibilities1. Mainframe Software Engineering & DeliveryOwn delivery of secure, resilient, performance-aware mainframe solutions across the full lifecycle from analysis and design through implementation, validation, and production support.\r\nTranslate business and technical requirements into quality application changes that support reliable batch, online, interface, and data-processing capabilities.\r\nTroubleshoot application, transaction, batch, interface, data flow, restart/recovery, and downstream impact issues.\r\nPrepare technical specifications, implementation and backout plans, support documentation, and delivery estimates with clear ownership of risks, dependencies, quality, and production stability.\r\n2. SDLC, Quality & Release ReadinessExecute SDLC activities across requirements analysis, estimation, design, coding, testing, documentation, change control, and release readiness.\r\nApply GitLab and DevOps practices for source control, branching, merge requests, peer review, traceability, CI/CD, deployment planning, and implementation validation.\r\nPrepare and execute unit, integration, regression, batch validation, data reconciliation, UAT support, production verification, and defect resolution activities.\r\nImprove reliability and delivery quality through peer review, code quality, test coverage, automation, release evidence, and post-production validation.\r\n3. Modernization, Integration & StabilitySupport modernization initiatives including API enablement, data integration, technical debt reduction, platform resiliency, and modern IBM z development practices.\r\nContribute to integration designs across mainframe, distributed platforms, cloud-connected applications, MQ, APIs, and data movement patterns.\r\nSupport production applications, batch schedules, online transactions, interfaces, operational workflows, incident resolution, root cause analysis, and problem management.\r\nImprove application stability, performance, restartability, supportability, operational efficiency, and recovery readiness.\r\n4. Collaboration & Technical LeadershipPartner with business, product, architecture, QA, operations, and engineering teams to deliver reliable solutions.\r\nGuide less experienced engineers on application functionality, coding, debugging, testing, release procedures, and SDLC adherence.\r\nMaintain strong knowledge of supported applications, business processes, dependencies, operational impacts, and technical risks.\r\nScope of ResponsibilityWorks independently on complex technical assignments with guidance from the Technology Team Lead, Engineering Lead, or Architect.\r\nCoordinates small to medium technical work efforts and provides technical guidance to less experienced engineers as needed.\r\nEscalates technical risks, delivery issues, design gaps, control concerns, and operational impacts appropriately.\r\nEducation RequiredAssociate’s degree and a minimum of 5 years of systems analysis and/or application development experience; or\r\nIn lieu of a degree, a combined minimum of 7 years of higher education and/or work experience, including a minimum of 5 years of systems analysis and/or application development experience.\r\nRequired ExperienceIBM z/OS mainframe application development experience with COBOL, CICS, JCL, DB2 for z/OS, VSAM, TSO/ISPF, SDSF, Easytrieve+, and related tools supporting batch, online, interface, and data-processing workloads.\r\nStrong technical depth in batch and online processing, including job stream analysis, restartability, scheduling dependencies, ABEND resolution, CICS transaction troubleshooting, and production impact assessment.\r\nExperience with DB2 SQL, data validation, reconciliation, copybooks/file layouts, interface analysis, and performance-oriented troubleshooting.\r\nWorking knowledge of modern IBM z development practices and tools such as IDz, ADDI, DBB, ZUnit, z/OS Connect, ZDIH, and mainframe debugging tools including File-AID, Abend-AID, Xpediter, InterTest, or equivalent.\r\nGitLab, source control, code review, release management, change control, CI/CD, traceability, and deployment readiness experience.\r\nSDLC and Agile delivery experience including requirements analysis, story refinement, estimation, design, coding, unit testing, regression support, implementation, production verification, documentation, and tools such as Jira, Zephyr, and ServiceNow.\r\nStrong analytical, debugging, problem-solving, communication, and collaboration skills across business, technology, QA, architecture, operations, Agile, and cross-functional teams.\r\nAbility to work independently, assess impact across programs, interfaces, data flows, batch processes, and connected applications, and escalate risks, dependencies, design gaps, and operational concerns appropriately.\r\nPreferred ExperienceExperience supporting banking, lending, payments, servicing, or other regulated enterprise applications.\r\nExperience with modernization, platform migration, API enablement, z/OS Connect implementation, MQ/service integration, distributed platform connectivity, technical debt reduction, resiliency, or release quality initiatives.\r\nExperience with Sonar or equivalent code quality/static analysis tools, automated testing, regression automation, deployment validation, observability, monitoring, and operational dashboards.\r\nFamiliarity with RACF or mainframe security concepts, disaster recovery, recovery validation, audit evidence, risk, regulatory, and internal control expectations.\r\nExperience applying AI-assisted engineering tools for code analysis, documentation, testing, or operational support with appropriate human review and validation.\r\nM&T Bank is committed to fair, competitive, and market-informed pay for our employees. The pay range for this position is $97,100.00 - $161,800.00 Annual (USD). The successful candidate’s particular combination of knowledge, skills, and experience will inform their specific compensation. The range listed above corresponds to our national pay range for this role. The specific pay range applicable to you may vary based on your location.\r\nLocationClanton, Alabama, United States of America\r\n#J-18808-Ljbffr","datePosted":"2026-08-21T01:13:52.907Z","dateModified":"2026-08-21T01:13:52.907Z","hiringOrganization":{"@type":"Organization","name":"Relha","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Clanton","addressRegion":"AL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"804a953cbb6344879edf5bc8"},"url":"https://jobsearcher.com/jobs/804a953cbb6344879edf5bc8"}}