Mainframe Support Subject Matter Expert (SME)
Mainframe Support Subject Matter Expert (SME)
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Direct message the job poster from Paxus
Senior IT Recruitment Consultant at Paxus - Technology + Digital Talent
About the Role
We are seeking an experienced Mainframe Support Subject Matter Expert (SME) with deep technical expertise in z15 z/OS environments and niche mainframe systems administration skills. This is a hands-on, customer-facing role, responsible for maintaining mission-critical systems, delivering operational support, and ensuring system reliability in a 24x7 environment.
The ideal candidate will bring over a decade of experience in mainframe support, software migration, and maintenance, along with the ability to work effectively with both technical teams and business stakeholders.
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.
* Provide 24x7 support including shift work and after-hours coverage.
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)
Mandatory Requirements
* Australian citizenship (Baseline Security Clearance recommended).
* Minimum 10 years' experience in:
o Supporting mainframe environments.
o Mainframe software migration and maintenance processes.
o Automation scripting using SAS and REXX.
o z-platform and z/OS hardware and operating systems.
o Application control in mainframe architecture, middleware, and tooling.
o Batch technology from a support perspective.
To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Yash Kumar Jain on 03 8680 4235 or email: ykumarjain@paxus.com.au and quote the above job reference number.
Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.
Seniority level
* Seniority level
Entry level
Employment type
* Employment type
Full-time
Job function
* Job function
Information Technology
* Industries
Information Services
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