{"schemaVersion":"jobsearcher.job.v1","id":"eb10b6eaef0a2eaf855f587d","url":"https://jobsearcher.com/jobs/eb10b6eaef0a2eaf855f587d","canonicalUrl":"https://jobsearcher.com/jobs/eb10b6eaef0a2eaf855f587d","title":"System Engineer","description":"About the CompanyThe Digital Technology team is comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs develops and maintains massively scaling technology solutions brought to life with innovative architectures data analytics and digital solutions.About the RoleThe Senior z/OS Systems Engineer provides critical support for IBM mainframe infrastructure ensuring optimal performance and reliability of z/OS environments. This role combines hands-on technical expertise in mainframe hardware and software with strong problem-solving and collaboration skills across multiple support teams.ResponsibilitiesSystem Operations MaintenanceProvides support for IBM mainframe hardware and software technologiesMonitors daily operations of environmentInstalls configures and maintains IBM ISV mainframe softwareRequires individual to be on the on call rotation - will be expected to work non-business hours to resolve production problems and perform scheduled off-hour activitiesProblem Resolution CollaborationAnalyzes and coordinates resolution of problemsInterfaces with vendor support groups and other departments to ensure proper escalation and coordination towards problem resolutionInterfaces with Storage Management CICS Support DB2 Support IDMS Support Capacity Planning Operations Coverage groups and applications staff as requiredDevelopment TestingDevelops IBM mainframe solutions in support of applications development projectsPerforms acceptance testing of hardware and software solutionsDocumentation ReportingDevelops publishes and maintains documentation related to projects hardware and software configuration and installationPrepares status reports and problem summaries as requiredQualificationsBachelor's degree3 years experience with IBM mainframesWorking knowledge of the following are required:Z/OS operating systems including JES2IBM Assembler Language programmingParallel Sysplex clustering technologyUnix System Services USSIPCS SMP/ETCP/IP / OSA / VTAMWLMIBM Mainframe: z/OS and JES2IBM Assembler JAVA Cobol C REXXReliable punctual attendance is an essential function of the positionPreferred Skills3-10 years experience with IBM mainframesPay range and compensation packagePay: $100-$105 per hourEqual Opportunity StatementWe are committed to diversity and inclusivity in our hiring practices.","company":"Swoon","rawCompany":"swoon","city":"Chicago","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-06-21T08:30:09.794Z","occupations":[{"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"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"}],"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":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"System Engineer","description":"About the CompanyThe Digital Technology team is comprised of many talented individuals all working together with cutting-edge technology to build the best airline in the history of aviation. Our team designs develops and maintains massively scaling technology solutions brought to life with innovative architectures data analytics and digital solutions.About the RoleThe Senior z/OS Systems Engineer provides critical support for IBM mainframe infrastructure ensuring optimal performance and reliability of z/OS environments. This role combines hands-on technical expertise in mainframe hardware and software with strong problem-solving and collaboration skills across multiple support teams.ResponsibilitiesSystem Operations MaintenanceProvides support for IBM mainframe hardware and software technologiesMonitors daily operations of environmentInstalls configures and maintains IBM ISV mainframe softwareRequires individual to be on the on call rotation - will be expected to work non-business hours to resolve production problems and perform scheduled off-hour activitiesProblem Resolution CollaborationAnalyzes and coordinates resolution of problemsInterfaces with vendor support groups and other departments to ensure proper escalation and coordination towards problem resolutionInterfaces with Storage Management CICS Support DB2 Support IDMS Support Capacity Planning Operations Coverage groups and applications staff as requiredDevelopment TestingDevelops IBM mainframe solutions in support of applications development projectsPerforms acceptance testing of hardware and software solutionsDocumentation ReportingDevelops publishes and maintains documentation related to projects hardware and software configuration and installationPrepares status reports and problem summaries as requiredQualificationsBachelor's degree3 years experience with IBM mainframesWorking knowledge of the following are required:Z/OS operating systems including JES2IBM Assembler Language programmingParallel Sysplex clustering technologyUnix System Services USSIPCS SMP/ETCP/IP / OSA / VTAMWLMIBM Mainframe: z/OS and JES2IBM Assembler JAVA Cobol C REXXReliable punctual attendance is an essential function of the positionPreferred Skills3-10 years experience with IBM mainframesPay range and compensation packagePay: $100-$105 per hourEqual Opportunity StatementWe are committed to diversity and inclusivity in our hiring practices.","datePosted":"2026-06-21T08:30:09.794Z","dateModified":"2026-06-21T08:30:09.794Z","hiringOrganization":{"@type":"Organization","name":"Swoon","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"eb10b6eaef0a2eaf855f587d"},"url":"https://jobsearcher.com/jobs/eb10b6eaef0a2eaf855f587d"}}