{"schemaVersion":"jobsearcher.job.v1","id":"80278d14082b17e3078fee6d","url":"https://jobsearcher.com/jobs/80278d14082b17e3078fee6d","canonicalUrl":"https://jobsearcher.com/jobs/80278d14082b17e3078fee6d","title":"Systems Programmer III – Mainframe Networking","description":"W-2 ONLY | No C2C, OPT, or Visa SponsorshipRole DescriptionThe Systems Programmer III – Mainframe Networking is responsible for the design, administration, maintenance, and support of IBM z/OS networking infrastructure supporting critical banking and financial systems. This role serves as a senior technical resource for secure, reliable, and highly available mainframe connectivity while supporting security, compliance, audit, and business continuity requirements.Key ResponsibilitiesManage and support z/OS mainframe networking infrastructure.Configure and troubleshoot VTAM, TCP/IP, FTP/SFTP, TLS/AT-TLS, OSA-Express, TN3270, DNS, Enterprise Extender, and Connect (NDM).Install and maintain software using SMP/E and z/OSMF.Troubleshoot complex network, connectivity, performance, and availability issues.Support security, disaster recovery, compliance, and production operations.Collaborate with infrastructure, cybersecurity, application, and operations teams.Requirements5–7 years of hands-on z/OS mainframe systems programming experience.Expert knowledge of z/OS Communications Server and related networking technologies.Strong experience with SMP/E and z/OSMF.Proficiency in JCL, REXX, and CLIST.Strong analytical and troubleshooting skills.Excellent written and verbal communication skills.Banking or financial services experience preferred.","company":"Bayforce","rawCompany":"bayforce","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-08-14T14:59:36.211Z","occupations":[{"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"},{"code":"15-1231.00","title":"Computer Network Support Specialists","slug":"computer-network-support-specialists"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-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"},{"code":"334111","title":"Electronic Computer Manufacturing","slug":"electronic-computer-manufacturing"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Systems Programmer III – Mainframe Networking","description":"W-2 ONLY | No C2C, OPT, or Visa SponsorshipRole DescriptionThe Systems Programmer III – Mainframe Networking is responsible for the design, administration, maintenance, and support of IBM z/OS networking infrastructure supporting critical banking and financial systems. This role serves as a senior technical resource for secure, reliable, and highly available mainframe connectivity while supporting security, compliance, audit, and business continuity requirements.Key ResponsibilitiesManage and support z/OS mainframe networking infrastructure.Configure and troubleshoot VTAM, TCP/IP, FTP/SFTP, TLS/AT-TLS, OSA-Express, TN3270, DNS, Enterprise Extender, and Connect (NDM).Install and maintain software using SMP/E and z/OSMF.Troubleshoot complex network, connectivity, performance, and availability issues.Support security, disaster recovery, compliance, and production operations.Collaborate with infrastructure, cybersecurity, application, and operations teams.Requirements5–7 years of hands-on z/OS mainframe systems programming experience.Expert knowledge of z/OS Communications Server and related networking technologies.Strong experience with SMP/E and z/OSMF.Proficiency in JCL, REXX, and CLIST.Strong analytical and troubleshooting skills.Excellent written and verbal communication skills.Banking or financial services experience preferred.","datePosted":"2026-08-14T14:59:36.211Z","dateModified":"2026-08-14T14:59:36.211Z","hiringOrganization":{"@type":"Organization","name":"Bayforce","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"80278d14082b17e3078fee6d"},"url":"https://jobsearcher.com/jobs/80278d14082b17e3078fee6d"}}