{"schemaVersion":"jobsearcher.job.v1","id":"025a6ce5017471795f5985da","url":"https://jobsearcher.com/jobs/025a6ce5017471795f5985da","canonicalUrl":"https://jobsearcher.com/jobs/025a6ce5017471795f5985da","title":"Mainframe Software Engineer – HLASM / z/OS","description":"Role: Mainframe Software Engineer – HLASM / z/OSLocation: Plano, TX – Legacy Drive, Suite 700- (Onsite)Employment: Full-TimeExperience: 8+ YearsJob SummarySeeking a Senior Mainframe Software Engineer with strong IBM HLASM/Assembler and z/OS experience to develop, test, debug, and modernize enterprise mainframe software.Key ResponsibilitiesDesign, develop, test, and debug mainframe software.Develop primarily in IBM HLASM/Assembler.Collaborate in an Agile/DevOps environment.Automate tasks using scripting/tools.Mentor junior engineers and support technical initiatives.Perform validation, troubleshooting, and code-quality improvements.Required SkillsHLASM / IBM AssemblerIBM z/OSJCLMetal C or PL/XEndevor / ISPWStrong debugging and problem-solving skills8+ years of software development experiencePreferred SkillsCA 1, Vtape, DASD, DFSMS, DFSMShsm, DFSRMMXDC / SLDMainframe storage managementScriptingAuthorized code developmentAgile / DevOps experience#Hiring #MainframeJobs #Mainframe #HLASM #Assembler #zOS #IBMMainframe #MainframeEngineer #MainframeDeveloper #JCL #MetalC #PLX #Endevor #ISPW #DFSMS #DASD #DevOps #Agile #PlanoTX #TexasJobs #OnsiteJobs #FullTimeJobs","company":"Aifa Solutions","rawCompany":"aifa solutions","city":"Plano","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-08-22T12:04:27.564Z","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":"Mainframe Software Engineer – HLASM / z/OS","description":"Role: Mainframe Software Engineer – HLASM / z/OSLocation: Plano, TX – Legacy Drive, Suite 700- (Onsite)Employment: Full-TimeExperience: 8+ YearsJob SummarySeeking a Senior Mainframe Software Engineer with strong IBM HLASM/Assembler and z/OS experience to develop, test, debug, and modernize enterprise mainframe software.Key ResponsibilitiesDesign, develop, test, and debug mainframe software.Develop primarily in IBM HLASM/Assembler.Collaborate in an Agile/DevOps environment.Automate tasks using scripting/tools.Mentor junior engineers and support technical initiatives.Perform validation, troubleshooting, and code-quality improvements.Required SkillsHLASM / IBM AssemblerIBM z/OSJCLMetal C or PL/XEndevor / ISPWStrong debugging and problem-solving skills8+ years of software development experiencePreferred SkillsCA 1, Vtape, DASD, DFSMS, DFSMShsm, DFSRMMXDC / SLDMainframe storage managementScriptingAuthorized code developmentAgile / DevOps experience#Hiring #MainframeJobs #Mainframe #HLASM #Assembler #zOS #IBMMainframe #MainframeEngineer #MainframeDeveloper #JCL #MetalC #PLX #Endevor #ISPW #DFSMS #DASD #DevOps #Agile #PlanoTX #TexasJobs #OnsiteJobs #FullTimeJobs","datePosted":"2026-08-22T12:04:27.564Z","dateModified":"2026-08-22T12:04:27.564Z","hiringOrganization":{"@type":"Organization","name":"Aifa Solutions","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Plano","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"025a6ce5017471795f5985da"},"url":"https://jobsearcher.com/jobs/025a6ce5017471795f5985da"}}