At a Glance
- Tasks: Provide expert support for mainframe systems and ensure their reliability in a 24x7 environment.
- Company: Join a leading tech firm focused on innovative solutions and customer satisfaction.
- Benefits: Enjoy competitive salary, diverse work culture, and opportunities for professional growth.
- Other info: Diverse workplace welcoming applicants from all backgrounds.
- Why this job: Make a real impact by maintaining mission-critical systems and collaborating with talented teams.
- Qualifications: 10+ years in mainframe support and strong technical skills required.
The predicted salary is between 85500 - 104500 $ per year.
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/NIM
- 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:
- 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.
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.
Mainframe Support Subject Matter Expert in Melbourne employer: Paxus
Paxus is an exceptional employer, offering a dynamic work environment within the Queensland Government that prioritises cyber security governance and risk management. With a strong commitment to employee growth, we provide opportunities for professional development through hands-on experience in a collaborative setting, while fostering a culture of diversity and inclusion. Our focus on meaningful work and community engagement makes Paxus a rewarding place to advance your career in cyber security.