Mainframe Automation Engineer

Mainframe Automation Engineer (CA OPS/MVS, REXX, z/OS)
Contract | 6 Months | £550–£600 per day | Office Based | On-Call Required

We are seeking an experienced Mainframe Automation Engineer with strong expertise in CA OPS/MVS and REXX programming to support a large-scale enterprise IBM z/OS environment.

This is a hands-on role focused on designing, developing and maintaining mainframe automation rules, OPS/REXX scripts, and operational workflows to improve system stability, availability and performance.

Key Responsibilities:

* Develop and maintain CA OPS/MVS automation rules

* Write and enhance REXX and OPS/REXX scripts

* Implement automation for JES2, WTOR handling, IPL events

* Manage message automation across DB2, CICS, MQ, VTAM

* Monitor system events, alerts and console messages

* Support disaster recovery automation and production support

* Perform health checks, tuning and MSF configuration
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