Mainframe Systems Engineer IBM z15

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About the job Mainframe Systems Engineer IBM z15 & ADABAS

Company Description

Showtime Consulting is a leading provider of Shielded Cloud Solutions. Based in Australia and New Zealand, we specialise in secure cloud deployments and extending the cloud to the intelligent edge. Our expertise spans Azure, Azure Stack, AWS, OpenStack, and Red Hat Linux, serving both commercial and government environments, including government-classified clouds. Our mission is to forge the future with secure, innovative technologies that protect and uplift communities, while our vision is to revolutionise seamless collaboration across domains on an ultra-secure platform.

We support national delivery programs involving classified ICT systems, accreditation readiness, and technical assurance across complex environments.

The Role

We're seeking a seasoned Mainframe Systems Engineer to support a nationally significant legacy uplift program for a regulatory platform. This Sydney-based role is ideal for a senior engineer with deep expertise in IBM z/OS systems and ADABAS database administration.

You'll be working in a secure environment, ensuring the stability, performance, and compliance of mission-critical applications hosted on mainframe infrastructure.

Key Responsibilities

• Manage and support IBM z/OS mainframe systems, including capacity planning, performance tuning, and system upgrades.
• Administer ADABAS environments: installation, configuration, monitoring, and troubleshooting.
• Perform regular system health checks, batch job monitoring, and system maintenance.
• Develop and maintain JCL scripts, batch job definitions, and utility jobs for data management.
• Collaborate with Natural developers, system programmers, and application teams to optimise ADABAS usage.
• Implement backup, recovery, and disaster recovery procedures for ADABAS databases.
• Monitor and tune database performance using ADABAS utilities and tools.
• Participate in change management, audits, and compliance activities.
• Create and maintain technical documentation, operational procedures, and support guides.
  
  

What You'll Need

• Experience in mainframe environments, preferably with IBM z/OS systems.
• Hands-on experience with ADABAS database administration on z/OS or z/VSE.
• Proficiency in JCL, TSO/ISPF, SDSF, and system utilities.
• Strong understanding of z/OS systems, LPAR configuration, HMC operations, and PARMLIB customisation.
• Familiarity with Natural programming language is a plus.
• Experience with job scheduling tools (e.g., CA-7, MQ, Control-M) and performance monitoring tools (e.g., OMEGAMON, RMF).
• Strong problem-solving skills and ability to work independently.
• Excellent communication and documentation skills.
• Australian Citizenship with an active Baseline security clearance.
  
  

Why Join Us?

• Play a key role in a nationally significant government-aligned program.
• Join a collaborative consulting team known for technical excellence and professionalism.
• Flexible working arrangements, contract or full-time role available
  
  

Security Clearance Requirement

Due to the nature of this role, applicants must be Australian Citizens with an active Baseline clearance.Seniority level

• Seniority levelMid-Senior level

Employment type

• Employment typeFull-time

Job function

• Job functionInformation Technology

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