Mainframe Middleware Infrastructure Engineer (CICS Liberty)

Gazelle Global Consulting Ltd
📍 Remote, Remote, United-Kingdom 💼 Full-time 🕒 Posted June 30, 2026

Job Description

Mainframe Middleware Infrastructure Engineer (CICS Liberty)
Read on to fully understand what this job requires in terms of skills and experience If you are a good match, make an application.
6-12 Month Contract | London or Edinburgh | Hybrid (2-3 Days Onsite) | Excellent Day Rate
We're looking for an experienced Mainframe Middleware Infrastructure Engineer with strong expertise across CICS, z/OS and IBM WebSphere Liberty to support a major enterprise transformation programme. This role focuses on the engineering, configuration, optimisation and support of modern Java workloads running within CICS Liberty environments.
Key Skills & Experience:
Deep knowledge of CICS systems engineering and z/OS infrastructure
CICS region setup, configuration and JVM server management
IBM WebSphere Liberty administration and runtime configuration
Java workload management, JVM tuning and performance optimisation
RACF, TLS, certificates, keyrings and security integration
REST/...

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Job Details

  • Location Remote, Remote
  • Job Type Full-time
  • Category Information Technology
  • Posted Date June 30, 2026
  • Application Deadline August 09, 2026