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
Skills:
- Strong experience with CA OPS/MVS
- Proven REXX programming expertise
- Deep understanding of IBM z/OS
- Experience with JES2, system consoles, WTOR, IPL
- Background in enterprise mainframe production support
- Experience with System Automation for z/OS, OPSVIEW, OPSLOG or MSF is advantageous.
This role suits a senior‑level Mainframe Automation Specialist who has worked in complex, regulated, 24/7 environments and can take ownership of automation stability within mission‑critical systems.
Apply now if you are currently hands‑on with OPS/MVS and REXX in a live production z/OS environment
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