Overview In this role you will support a large-scale z/OS mainframe network, focusing on secure host communication subsystems. You’ll join a multi-functional team providing 24x7 coverage and work on configuring, maintaining, and securing mainframe network services. You will interact with technical, applications, and operations teams to ensure connectivity and security, with opportunities to handle complex problems and stay current with evolving technologies. This position offers a meaningful chance to contribute to enterprise-scale mainframe operations within a globally diverse organization.

ResponsabilidadesSupport IBM mainframe networks and transmissions infrastructureParticipate in 24x7 support rotaPerform TCPIP Port Reserves (Add/Delete/Change)Perform VTAM updates (Add/Delete/Change)Manage OSA Adapters in a complex mainframe environmentPerform VTAM PU/LU updates including Enterprise ExtendersImplement AT-TLS rules and manage digital certificatesConfigure and manage IPSEC policies (permit/deny, VPN/IPsec tunnels)Trace, debug and perform error analysisCoordinate with technical, applications and operations staff to ensure network connectivity and security,



including after hours and weekends as needed Requisitos principalesExperience administering file transmission products such as Connect:Direct and FTP (or equivalent user experience)Knowledge of z/OS and z/OS utilitiesUnderstanding of z/OS networking services and related software/protocolsUnderstanding of network security disciplines (IPSec, TLS/SSL, certificates)Experience in problem management from diagnosis to resolutionUnderstanding of Change Management processesAbility to customize and manage secure SNA and TCP/IP networks under z/OSKnowledge of mainframe network management tools (e.g., NetMaster) and multi-session tools (TUBES, Supersession)Experience with mainframe printing productsGeneral z/OS systems programming experienceKnowledge of System z hardware including OSA-Express NICsExcellent problem-solving and analytical skillsStrong communication, teamwork and negotiation skillsFamiliarity with Cisco Network SolutionsAbility to work to tight deadlines; strong organizational skillsWillingness to keep up with new technologyUnderstanding of Data Protection ActExperience as a z/OS Systems Specialist in ITcommunicationteamworknegotiationz/OSz/OS utilitiesTCP/IP networking

📌 IBMz Network Engineer - barcelona
🏢 Jobrapido
📍 Barcelona