IBM MQ Administrator - z/OS (Mainframe)

Provide hands-on administration of IBM MQ on z/OS across production environments Deliver incident, problem and change resolution within strict SLAs Support and maintain MQ queue managers, channels and configurations Perform production deployments, upgrades and migrations Troubleshoot complex MQ issues across mission-critical systems Maintain service stability, resilience and performance optimisation Work closely with stakeholders across Mainframe and infrastructure teams Ensure adherence to governance, processes and security standards Participate in out of hours support and deployment activities

• Strong hands-on experience administering IBM MQ on z/OS (v9.x preferred)
• Proven experience working in Mainframe-only MQ environments
• Deep understanding of:

• Queue managers
• Channels
• MQ objects
• Clustering/Queue Sharing Groups (QSG)

• Experience with TLS/SSL configuration and MQ security (RACF)
• Strong troubleshooting skills within production MQ environments
• Experience delivering changes independently into production
• Familiarity with z/OS panels, ISPF and Mainframe tooling
• Experience working within ITIL-controlled environments

NICE TO HAVE

• Experience with MQ monitoring tools on z/OS (eg Omegamon)
• Experience within UK banking or financial services environments
• Experience supporting high-volume payments or core banking systems

Atrium Global is supporting a client within the financial services sector who is seeking a highly experienced IBM MQ z/OS Administrator to join a specialist Mainframe Middleware team.