We are seeking an experienced Mainframe Support professional with deep technical expertise in z15 z/OS environments and niche mainframe systems administration skills.
Key Responsibilities:
* Provide operational and technical support for mainframe systems in a z15 z/OS environment
* Manage software maintenance, including patching and upgrading software using SMP/E
* Perform operational monitoring, alerting, and tuning for system performance
* Support application teams and management with mainframe expertise
* Operate and monitor master console activities
* Conduct in-depth analysis, troubleshooting, and resolution of incident/problem tickets
* Maintain and enhance middleware, scheduler, and batch processing systems
* Ensure security compliance through RACF and Natural Security administration
* Build and maintain strong working relationships with technical teams and stakeholders
Technical Environment:
* Operating System: z/OS
* Database/Language: Adabas, Natural
* Transaction Processor: TSO, NIM
* Monitoring & Operational Support: XYMON, MXG, VPS/NIMSPL
* MiddleWare: MQ, Datastream, RPC, CORBA
* Scheduler/Batch Processor: CA-11, Jobtrac
* Job Language: JCL
* Security: RACF, Natural Security
* Source Code Management: N20
* Storage/Backup: Hitachi VPS5100, CA-1 (Tape Management)
Qualifications and Requirements:
* Australian citizenship (Baseline Security Clearance recommended)
* Minimum 10 years' experience in: Supporting mainframe environments, Mainframe software migration and maintenance processes, Automation scripting using SAS and REXX, z-platform and z/OS hardware and operating systems, Application control in mainframe architecture, middleware, and tooling, Batch technology from a support perspective