2 of 2 CICS Jobs in London

DB2, IMS, Adabas, Datacom, Supra, and understanding of database performance, tuning, and high availability. Familiarity with core mainframe subsystems and languages: z/OS, JCL, JES, RACF/ACF2, CICS, COBOL, PL/1, SQL, Natural. Experience in application architecture and IT consulting, including hybrid cloud integration and modernization initiatives. Strong analytical, problem-solving, and decision-making skills, with the More ❯

a major digital banking programme and looking for an experienced Mainframe Integration Engineer to help modernise mission-critical payment systems. This role sits across Legacy and modern stacks - linking CICS/Db2 on z/OS with Java/Spring APIs on AWS. This will be Hybrid London (two days a week, but flexible), Inside Ir35 and a long term … contract. What you'll work on:- Core Mainframe Engineering Engineering CICS transactions, Db2 stored procedures and batch flows (JCL/REXX) Working with MQ, VSAM, GDGs, copybooks and Mainframe data structures IBM DataPower & API Mediation Configuring MPGW & WSP services Implementing AAA, OAuth2/JWT, MTLS, WS-Security policies Building transformations (XSLT/GatewayScript) Mainframe and Cloud Integration Integrating with AWS … API Gateway/TYK Building Java/Spring Boot microservices aligned to payment services Essential experience: 12+ years with z/OS, CICS and Db2 Strong JCL, REXX, VSAM, GDG, MQ Knowledge of Cobol/Assembler (reading/debugging) Experience with CICS channels, containers, pipelines and web services Db2 performance tuning (BIND, EXPLAIN, RUNSTATS) Nice to have: Java 17+, Spring More ❯