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 or email: 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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