Job DescriptionWe are seeking zDIH Infrastructure Engineer with experience in IBM z/OS, DB2/IMS, data replication technologies, Shell scripting, and API integration/support, responsible for supporting IBM Z-based data integration infrastructure, enabling reliable data movement across enterprise platforms, automating operational tasks using shell scripting, and facilitating API-based integration between mainframe and distributed systems.
Roles & ResponsibilitiesResponsibilities 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.
Technical RequirementFoundational skills

- Mainframe skills (JCL/TSO/etc.), DB2/IMS on Z/OS in a data sharing workplace

- 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
Educational RequirementBachelor of Engineering
Preferred SkillsTechnology->Digital Cloud Integration->IBM Integration,Technology->Infrastructure-Server Administration->z/OS
Service LineCloud & Infrastructure Services

📌 zDIH Infrastructure Engineer (Chennai)
🏢 Infosys
📍 Chennai