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Mainframe System Programmer

Company

Ampstek

Location

basildon, england

Posted

May 26, 2026

Position Overview

Role: Sysplex Developer & Tester (Mainframe Specialist)

Overview

A Sysplex Developer & Tester is a specialized mainframe professional responsible for designing, developing, testing, and supporting applications and system components within an IBM Parallel Sysplex environment. This role is critical in ensuring high availability, scalability, and performance of enterprise systems, particularly in banking and large-scale organizations.

Key Responsibilities:

  • Design, develop, and maintain applications running in a Sysplex environment
  • Work with mainframe technologies such as z/OS, CICS, DB2, and IMS
  • Develop and execute test strategies for Sysplex-enabled applications
  • Perform system integration, regression, and performance testing
  • Ensure high availability and fault tolerance across multiple systems in the Sysplex
  • Analyze and resolve issues related to inter-system communication and data consisten...

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