CA Datacom/DB DBA - Mainframe | Remote

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Job Description

Our client is seeking an experienced CA Datacom/DB Database Administrator (DBA) to support a complex enterprise mainframe setting.

This is a highly specialised opportunity suited to a CA Datacom/DB subject matter expert who can provide technical guidance, troubleshooting and contingency support across a business-critical legacy environment. The engagement is expected to run from November 2026 through to July 2027, with the opportunity to work remotely from Australia or New Zealand.

Key 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

Skills & Experience

- 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

About You

You will be a highly experienced mainframe database specialist who is comfortable operating as a trusted technical expert and contingency resource, rather than solely in a traditional day-to-day DBA capacity.

You will be able to quickly understand complex legacy environments, troubleshoot critical issues and provide clear technical guidance when required.

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