{"schemaVersion":"jobsearcher.job.v1","id":"03e2b5bf0dd767436ceb41ec","url":"https://jobsearcher.com/jobs/03e2b5bf0dd767436ceb41ec","canonicalUrl":"https://jobsearcher.com/jobs/03e2b5bf0dd767436ceb41ec","title":"Mainframe AS400 Developer","description":"Mainframe and AS400 DeveloperLocation: Plano, TX (Onsite)Roles & ResponsibilitiesDevelop, enhance, and maintain applications on Mainframe and AS400 (preferred) environments.Write and support programs using COBOL, JCL, DB2, CL, RPG, and related tools.Analyze business requirements and translate them into technical solutions.Perform debugging, testing, and production support for existing systems.Work with batch jobs, file processing, and data integration processes.Collaborate with business analysts, testers, and infrastructure teams.Support system upgrades, performance tuning, and incident resolution.Document technical designs, code changes, and support procedures.Required SkillsStrong hands-on experience with Mainframe technologies.Proficiency in COBOL, JCL, DB2, and VSAM.Experience with IBM AS400/iSeries technologies preferred.Knowledge of batch processing, job scheduling, and file transfer processes.Strong troubleshooting and problem-solving skills.Ability to work in production support and development environments.Good communication and teamwork skills.SkillsMainframe DB2 – Application DevelopmentExperience Required10+ YearsTop Preferred SkillsCOBOLJCLDB2RPGCLVSAMIBM AS400/iSeriesBatch ProcessingProduction SupportPerformance TuningIncident ResolutionMainframe Application DevelopmentTechnical TroubleshootingFile Processing & Data Integration","company":"ThemeSoft","rawCompany":"themesoft","city":"Garland","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-06-18T10:45:12.503Z","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 AS400 Developer","description":"Mainframe and AS400 DeveloperLocation: Plano, TX (Onsite)Roles & ResponsibilitiesDevelop, enhance, and maintain applications on Mainframe and AS400 (preferred) environments.Write and support programs using COBOL, JCL, DB2, CL, RPG, and related tools.Analyze business requirements and translate them into technical solutions.Perform debugging, testing, and production support for existing systems.Work with batch jobs, file processing, and data integration processes.Collaborate with business analysts, testers, and infrastructure teams.Support system upgrades, performance tuning, and incident resolution.Document technical designs, code changes, and support procedures.Required SkillsStrong hands-on experience with Mainframe technologies.Proficiency in COBOL, JCL, DB2, and VSAM.Experience with IBM AS400/iSeries technologies preferred.Knowledge of batch processing, job scheduling, and file transfer processes.Strong troubleshooting and problem-solving skills.Ability to work in production support and development environments.Good communication and teamwork skills.SkillsMainframe DB2 – Application DevelopmentExperience Required10+ YearsTop Preferred SkillsCOBOLJCLDB2RPGCLVSAMIBM AS400/iSeriesBatch ProcessingProduction SupportPerformance TuningIncident ResolutionMainframe Application DevelopmentTechnical TroubleshootingFile Processing & Data Integration","datePosted":"2026-06-18T10:45:12.503Z","dateModified":"2026-06-18T10:45:12.503Z","hiringOrganization":{"@type":"Organization","name":"ThemeSoft","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Garland","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"03e2b5bf0dd767436ceb41ec"},"url":"https://jobsearcher.com/jobs/03e2b5bf0dd767436ceb41ec"}}