{"schemaVersion":"jobsearcher.job.v1","id":"554bd94c6dae4ceaf1bdd81c","url":"https://jobsearcher.com/jobs/554bd94c6dae4ceaf1bdd81c","canonicalUrl":"https://jobsearcher.com/jobs/554bd94c6dae4ceaf1bdd81c","title":"Mainframe Network Admin","description":"*Position Description*\n\nThe Mainframe Network administrator will manage, support, and modernize the mainframe networking environment. The applicant will design, configure, and support mainframe network infrastructure including VTAM, NCP, SNA, and TCP/IP, and will troubleshoot session-level connectivity and session management functions using CA TPX, CL/SuperSession and related tools. Excellent communication skills are required; previous session management migration experience is a plus.\n\nThe candidate will lead and execute the migration of session management and networking tools to updated or consolidated platforms, ensuring session continuity and minimal business disruption. Duties include configuring CA-TPX, CL/SuperSession for session routing, security, and user access; planning, testing, and implementing cutover and rollback strategies; coordinating timelines, dependencies, and risk mitigation with vendor teams and internal stakeholders; monitoring session performance pre/post-migration; and maintaining configuration and procedure documentation. The role also ensures security, audit, and regulatory compliance and provides L2/L3 support on an on-call rotation.\n\n*Required Skills*\n\n* 8+ years hands-on mainframe networking\n* Strong expertise in SNA and TCP/IP protocols\n* CA TPX, CL/SuperSession configuration, administration, session routing and troubleshooting\n* Session management tool and network software migration\n* Session continuity and cutover/rollback planning\n* VTAM, NCP, Communications Server for z/OS\n* Troubleshooting, documentation and stakeholder communication\n* Able to lead migrations end-to-end, including validation\n\n*Desired Skills*\n\n* z/OS and related mainframe operating environments\n* High expertise in handling tools like CA TPX and CL/Supersession\n* Migrating to CL/SuperSession from other platforms\n* Network security protocols and compliance frameworks\n\n*Additional or Advantageous Skills*\n\n* BFSI, healthcare or large enterprise mainframe estates\n* Vendor tool transition and vendor coordination\n* L2/L3 support and on-call rotation\n* 8+ years hands-on mainframe networking\n* Strong expertise in SNA and TCP/IP protocols\n* CA TPX, CL/SuperSession configuration, administration, session routing and troubleshooting\n* VTAM, NCP, Communications Server for z/OS\n* Able to lead migrations end-to-end, including validation\n* z/OS and related mainframe operating environments\n* High expertise in handling tools like CA TPX and CL/Supersession\n* Migrating to CL/SuperSession from other platforms\n\nPay: Up to $70.00 per hour\n\nWork Location: Remote","company":"Cloud Rack Systems","rawCompany":"cloud rack systems","city":"Myrtle Point","state":"OR","isRemote":false,"isActive":false,"createdAt":"2026-10-06T17:53:21.847Z","occupations":[{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1231.00","title":"Computer Network Support Specialists","slug":"computer-network-support-specialists"},{"code":"15-1241.00","title":"Computer Network Architects","slug":"computer-network-architects"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541513","title":"Computer Facilities Management Services","slug":"computer-facilities-management-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Mainframe Network Admin","description":"*Position Description*\n\nThe Mainframe Network administrator will manage, support, and modernize the mainframe networking environment. The applicant will design, configure, and support mainframe network infrastructure including VTAM, NCP, SNA, and TCP/IP, and will troubleshoot session-level connectivity and session management functions using CA TPX, CL/SuperSession and related tools. Excellent communication skills are required; previous session management migration experience is a plus.\n\nThe candidate will lead and execute the migration of session management and networking tools to updated or consolidated platforms, ensuring session continuity and minimal business disruption. Duties include configuring CA-TPX, CL/SuperSession for session routing, security, and user access; planning, testing, and implementing cutover and rollback strategies; coordinating timelines, dependencies, and risk mitigation with vendor teams and internal stakeholders; monitoring session performance pre/post-migration; and maintaining configuration and procedure documentation. The role also ensures security, audit, and regulatory compliance and provides L2/L3 support on an on-call rotation.\n\n*Required Skills*\n\n* 8+ years hands-on mainframe networking\n* Strong expertise in SNA and TCP/IP protocols\n* CA TPX, CL/SuperSession configuration, administration, session routing and troubleshooting\n* Session management tool and network software migration\n* Session continuity and cutover/rollback planning\n* VTAM, NCP, Communications Server for z/OS\n* Troubleshooting, documentation and stakeholder communication\n* Able to lead migrations end-to-end, including validation\n\n*Desired Skills*\n\n* z/OS and related mainframe operating environments\n* High expertise in handling tools like CA TPX and CL/Supersession\n* Migrating to CL/SuperSession from other platforms\n* Network security protocols and compliance frameworks\n\n*Additional or Advantageous Skills*\n\n* BFSI, healthcare or large enterprise mainframe estates\n* Vendor tool transition and vendor coordination\n* L2/L3 support and on-call rotation\n* 8+ years hands-on mainframe networking\n* Strong expertise in SNA and TCP/IP protocols\n* CA TPX, CL/SuperSession configuration, administration, session routing and troubleshooting\n* VTAM, NCP, Communications Server for z/OS\n* Able to lead migrations end-to-end, including validation\n* z/OS and related mainframe operating environments\n* High expertise in handling tools like CA TPX and CL/Supersession\n* Migrating to CL/SuperSession from other platforms\n\nPay: Up to $70.00 per hour\n\nWork Location: Remote","datePosted":"2026-10-06T17:53:21.847Z","dateModified":"2026-10-06T17:53:21.847Z","hiringOrganization":{"@type":"Organization","name":"Cloud Rack Systems","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Myrtle Point","addressRegion":"OR","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"554bd94c6dae4ceaf1bdd81c"},"url":"https://jobsearcher.com/jobs/554bd94c6dae4ceaf1bdd81c"}}