Senior CICS Systems Programmer managing enterprise CICS environments in the UK, focusing on infrastructure and modernization of critical systems.
Responsibilities
Install, configure, upgrade, and maintain CICS/TS across multiple LPARs (DEV/TEST/QA/PROD).
Design and manage CICS regions, including TORs, AORs, FORs, and coupling facility structures.
Own and deliver high availability, resiliency, and disaster recovery strategies for CICS environments.
Perform capacity planning, performance tuning, and MIPS optimization.
Troubleshoot complex CICS issues such as storage violations, abends, region hangs, and performance degradation.
Integrate CICS with z/OS Connect, MQ, DB2, IMS, and distributed platforms.
Support API enablement, including SOAP-to-REST modernization and secure transaction exposure.
Ensure secure connectivity using RACF, TLS, digital certificates, and network controls.
Drive automation using SMP/E, REXX, JCL, Ansible, and vendor tooling.
Reduce technical debt via proactive upgrades, feature enablement, and component decommissioning.
Collaborate with application teams to modernize legacy interfaces while preserving system stability.
Requirements
A minimum of 5 years CICS Systems Programming experience in large-scale enterprise environments including installation, maintenance and configuration of the product.
A minimum of 5 years’ experience with z/OS systems, (JES, SMF, WLM, SMP/E etc.), performance tuning and problem determination
Availability for on-call support; the successful candidate will be part of the escalation path for out-of-hours on-call support.
Benefits
A generous, flexible benefits package including annual leave, healthcare and dental cover, pension, and lifestyle discounts
Access to world-class learning platforms and award-winning L&D
Clear career paths, internal mobility, and a strong focus on growth
A people-first culture with flexible working options
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