Mainframe Middleware Infra Engineer – CICS Liberty
📍 London / Edinburgh | Hybrid (1-2 days onsite) Flexiable
📅 6 Month Contract
💷 Strong market rates available
We’re looking for a seasoned Mainframe Middleware Infrastructure Engineer with deep expertise across CICS Liberty, z/OS and modern Java runtime environments. This is a hands-on infrastructure engineering role focused on stability, scalability, security and modernisation within enterprise banking environments.
Key experience required:
• Strong CICS Systems Engineering background across z/OS
• CICS Liberty / IBM WebSphere Liberty runtime configuration and support
• JVM tuning, diagnostics and performance optimisation on z/OS
• RACF, TLS, SAF integration and enterprise security controls
• REST/API enablement and modern integration patterns
• Operational monitoring, logging, dumps, traces and SMF analysis
• Experience managing JVM server lifecycle within CICS
• CI/CD awareness and automated deployment practices
• High availability, DR planning and capacity management
For more information and direct contact with me, please send me an email and call only if required. I will be sure to check responses daily and shortlist the best candidates; if you are shortlisted, you will hear from me.
+44 7506151904