zDIH Infrastructure Engineer

Foundational skills* Mainframe skills (JCL/TSO/etc.), DB2/IMS on Z/OS in a data sharing environment Replication (IIDR CDC / CDA / Q Replication) Unix Shell Scripting (USS), API basics + troubleshooting Mainframe Security understanding Desired skills Python for automation, Monitoring tools (Splunk, Dynatrace) Performance Skills a big plus, Programming background a plus, Ansible script, Java Script & MS Access skills are a plus Responsibilities* Responsibilities include but are not limited to: Install, configure, and maintain IBM Z Digital Integration Hub (zDIH) components including Data Virtualization Manager (DVM) and Event Publisher. Troubleshoot zDIH connectivity, performance, and stability issues. Develop and maintain Unix/Linux shell scripts (Bash, ksh) to automate deployment, monitoring, configuration management, and operational tasks. Write automation scripts for log analysis, alert triggering, health checks, and scheduled jobs. Develop, test, and maintain REST API interfaces to expose mainframe data via zDIH endpoints.Ensure API security through authentication mechanisms such as OAuth 2.0, API keys, and mutual TLS. Manage Unix/Linux server environments supporting zDIH middleware components. Perform capacity planning, process monitoring, and tuning of OS-level parameters. Produce and maintain technical documentation including architecture diagrams, runbooks, and SOPs. Engage with IBM support and coordinate PMR/case management for zDIH issues. Participate in 7x24 on call rotation.