Mainframe Support Subject Matter Expert (SME)
Job Description
Mainframe Support Subject Matter Expert (SME) Mainframe Support Subject Matter Expert (SME) \n
3 days ago Be among the first 25 applicants
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Direct message the job poster from Paxus
Senior IT Recruitment Consultant at Paxus - Technology + Digital Talent \n
About the Role
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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.
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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\n
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Provide operational and technical support for mainframe systems in a z15 z/OS environment .
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Manage software maintenance, including patching and upgrading software using SMP/E .
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Perform operational monitoring, alerting, and tuning for system performance.
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Support application teams and management with mainframe expertise.
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Operate and monitor master console activities.
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Conduct in-depth analysis, troubleshooting, and resolution of incident/problem tickets.
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Maintain and enhance middleware, scheduler, and batch processing systems.
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Ensure security compliance through RACF and Natural Security administration.
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Build and maintain strong working relationships with technical teams and stakeholders.
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Provide 24x7 support including shift work and after-hours coverage.
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Technical Environment\n
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Operating System: z/OS
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Database/Language: Adabas, Natural
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Transaction Processor: TSO, NIM
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Monitoring & Operational Support: XYMON, MXG, VPS/NIMSPL
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Middleware: MQ, Datastream, RPC, CORBA
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Scheduler/Batch Processor: CA-11, Jobtrac
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Job Language: JCL
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Security: RACF, Natural Security
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Source Code Management: N20
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Storage/Backup: Hitachi VPS5100, CA-1 (Tape Management)
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Mandatory Requirements\n
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Australian citizenship (Baseline Security Clearance recommended).
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Minimum 10 years' experience in:
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Supporting mainframe environments.
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Mainframe software migration and maintenance processes.
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Automation scripting using SAS and REXX .
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z-platform and z/OS hardware and operating systems.
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Application control in mainframe architecture, middleware, and tooling.
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Batch technology from a support perspective.
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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.
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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.
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Seniority level \n
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- Seniority level Entry level \n
Employment type \n
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- Employment type Full-time \n
Job function \n
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- Job function Information Technology \n
- Industries Information Services \n
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