{"schemaVersion":"jobsearcher.job.v1","id":"a8631efc9b7ae22e9503bb01","url":"https://jobsearcher.com/jobs/a8631efc9b7ae22e9503bb01","canonicalUrl":"https://jobsearcher.com/jobs/a8631efc9b7ae22e9503bb01","title":"Mainframe System Programmer (Downey)","description":"Are you a seasoned Mainframe Systems Programmer / DBA with strong experience in ADABAS, IMS, DB2, and CICS? We're hiring for a highly impactful role supporting large-scale, mission-critical systems in a public sector environment.This is an excellent opportunity to work on complex legacy systems, drive database modernization efforts, and play a key role in maintaining high-availability infrastructure.What You'll DoLead and support installation, configuration, and upgrades of core database systems (IMS, DB2, ADABAS)Manage and maintain mainframe database environments on IBM z/OSPerform database design (logical & physical) and capacity planningMonitor and optimize database performance, storage, and availabilityDevelop and execute backup, recovery, and disaster recovery strategiesConduct system health checks, tuning, and troubleshootingCollaborate with application development teams (COBOL/NATURAL) on design and performance improvementsPerform evaluations and implement enhancements for DBMS tools and environmentsSupport production systems and ensure stability in high-transaction environmentsRequired Skills & TechnologiesMainframe Platform: IBM z/OSDatabases: IMS (DB/DC), DB2, ADABASTransaction Processing: CICSLanguages/Scripting: COBOL, Assembler, REXX, JCLTools & Utilities: SMP/E, BMC Tools, IBM File Manager, CA SpoolAdditional Technologies: NATURAL, SUPERNAT, ENTIREX, DELTA/IMS, N2O/TRIMSecurity: ACF2 / NAT SecurityWhat We're Looking For7+ years of experience as a Systems Programmer / DBA in mainframe environmentsAt least 3 years in a lead or senior technical roleStrong expertise in legacy database systems and performance tuningExperience supporting large, complex enterprise or government systemsAbility to work cross-functionally with development and operations teamsEducationBachelor's degree in Information Technology, Computer Science, Engineering, or related field","company":"Cxc","rawCompany":"cxc","city":"Downey","state":"CA","isRemote":false,"isActive":false,"createdAt":"2026-05-23T17:52:29.729Z","occupations":[{"code":"15-1242.00","title":"Database Administrators","slug":"database-administrators"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"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":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe System Programmer (Downey)","description":"Are you a seasoned Mainframe Systems Programmer / DBA with strong experience in ADABAS, IMS, DB2, and CICS? We're hiring for a highly impactful role supporting large-scale, mission-critical systems in a public sector environment.This is an excellent opportunity to work on complex legacy systems, drive database modernization efforts, and play a key role in maintaining high-availability infrastructure.What You'll DoLead and support installation, configuration, and upgrades of core database systems (IMS, DB2, ADABAS)Manage and maintain mainframe database environments on IBM z/OSPerform database design (logical & physical) and capacity planningMonitor and optimize database performance, storage, and availabilityDevelop and execute backup, recovery, and disaster recovery strategiesConduct system health checks, tuning, and troubleshootingCollaborate with application development teams (COBOL/NATURAL) on design and performance improvementsPerform evaluations and implement enhancements for DBMS tools and environmentsSupport production systems and ensure stability in high-transaction environmentsRequired Skills & TechnologiesMainframe Platform: IBM z/OSDatabases: IMS (DB/DC), DB2, ADABASTransaction Processing: CICSLanguages/Scripting: COBOL, Assembler, REXX, JCLTools & Utilities: SMP/E, BMC Tools, IBM File Manager, CA SpoolAdditional Technologies: NATURAL, SUPERNAT, ENTIREX, DELTA/IMS, N2O/TRIMSecurity: ACF2 / NAT SecurityWhat We're Looking For7+ years of experience as a Systems Programmer / DBA in mainframe environmentsAt least 3 years in a lead or senior technical roleStrong expertise in legacy database systems and performance tuningExperience supporting large, complex enterprise or government systemsAbility to work cross-functionally with development and operations teamsEducationBachelor's degree in Information Technology, Computer Science, Engineering, or related field","datePosted":"2026-05-23T17:52:29.729Z","dateModified":"2026-05-23T17:52:29.729Z","hiringOrganization":{"@type":"Organization","name":"Cxc","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Downey","addressRegion":"CA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"a8631efc9b7ae22e9503bb01"},"url":"https://jobsearcher.com/jobs/a8631efc9b7ae22e9503bb01"}}