Senior CA Datacom/DB DBA — Mainframe & Migration (Remote)

Elmtree Services Pty Ltd

Australia

Remote

AUD 160,000 - 200,000

Full time

48 hours ago

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Job summary

Elmtree Services Pty Ltd is seeking an experienced CA Datacom/DB Database Administrator (DBA) to support a complex enterprise mainframe environment. This highly specialised role focuses on risk mitigation and contingency support across a business-critical legacy system.

The engagement is scheduled from November 2026 through July 2027, with the opportunity to work remotely from Australia or New Zealand. You will provide technical guidance, troubleshoot complex issues, and assist with migration

Qualifications

CA Datacom/DB administration – essential
CA Datacom/DB architecture and internals
IBM z/OS mainframe environments
Mainframe database migrations
Datacom database troubleshooting and performance tuning
PL/I and its interaction with Datacom/DB
Supporting complex, business-critical legacy environments
Large enterprise or banking/financial services environments

Responsibilities

Provide specialist CA Datacom/DB database administration and support
Support and maintain Datacom databases operating on IBM z/OS mainframes
Provide expertise across Datacom architecture, internals and database structures
Assist with mainframe database migration activities
Troubleshoot complex database, application and performance issues
Provide performance analysis, tuning and optimisation
Support interactions between PL/I applications and Datacom/DB
Provide technical guidance and recommendations when critical issues arise
Assist with the ongoing stability and resilience of a large-scale legacy environment
Step in quickly when specialist Datacom expertise is required