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Senior Mainframe Associate

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Job Description - Senior Mainframe Associate

We would need a senior Mainframe experienced associate with extensive knowledge in

IMS, DB2, CICS PL1, COBOL, JCL and MQ. Proven experience in real-time and batch programming environments

 

Location : Denmark/Poland (Warsaw)

 

Key Responsibilities:

 

IMS to DB2 Bridge & Data Propagation

  • Design and develop enhancements to the bridge responsible for asynchronous data propagation between IMS and DB2.
  • Read and interpret IMS logs to identify updated rows and translate them into executable SQL commands on DB2.
  • Ensure data integrity and consistency across IMS and DB2 systems.
  • Maintain and optimize PL/I programs for complex data transformation and synchronization.

 

IMS Realtime Logic & Data Modeling

  • Maintain and evolve the IMS data model in a real-time environment.
  • Analyze and implement load balancing strategies for transactions across physical IMS tables.
  • Collaborate with DBAs to calculate storage requirements and evaluate consumption for new and existing tables.
  • Modify COBOL applications using IMS APIs to support logical load balancing and performance improvements.
  • MQ messaging for real-time transaction handling and inter-system communication.
  • Troubleshoot and resolve performance bottlenecks across mainframe components.

 

Additional Experience

  • Application enhancements or creation of new IMS databases.
  • Proven incident handling and resolution capabilities.

 

Competencies:

  • IMS DBA level knowledge.
  • Calculate storage needs for new tables.
  • Evaluate current consumption on existing tables.
  • COBOL application IMS API.
  • Make changes to the logical load balancing between our IMS tables.
  • PL1 programming, highly skilled, complex technical solution.
  • IMS on a technical level not only application API, the bridge programs also scans the IMS logs to find insert operations, so an understanding of the IMS logs is needed.
  • Experience in cards and payments will be an added advantage.
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