Senior Oracle Database Administrator

_{02nd September, 2026}

Brennan. Where true performance thrives. 
At Brennan, we believe that how technology is delivered is every bit as important as what the technology is. We focus on creating real and relevant value for customers with solutions that fit their specific needs and always reflect their true interests. 
It’s a claim backed by our True Performance System – a way of working engineered to get us closer, and deliver better, for our customers and their actual experience of technology. 
  
Why join Brennan 
True performance for our customers starts with a true belief in our people. 
It’s why we’ve structured our business to help our teams, and their talents, shine bright. It's why we’ve created a workplace where people of all backgrounds, beliefs and experiences are welcomed and empowered. And it’s why we’ve built an organisation where real innovation makes a genuine impact and generates true rewards for our team members. 
   
True rewards 
In addition to competitive remuneration, Brennan offers extensive benefits, including: 

• Training and certification bonuses 
• Culture Awards that recognise excellence 
• Brennan Daredevils – our annual, all-expenses paid trip awarded to our top performers and outstanding contributors 
• Vibrant, fun social activities 
• Discounted hardware and software 

The role
The Senior Oracle Database Administrator role is based in Sydney and operates as a dedicated embedded resource supporting Client’s Oracle environment. The successful candidate will take ownership of day-to-day database operations and working independently to identify and resolve issues. Beyond this, the role will also contribute to building Brennan’s in-house Oracle support capability. 

You will be the trusted Oracle expert both for the dedicated customer account and across Brennan’s broader Oracle capability. 

Your key responsibilities:

• Own day-to-day operational support and administration of the customer’s Oracle database estate, resolving incidents and service requests within agreed SLAs.
• Proactively monitor database health, capacity and performance to identify and resolve issues before they impact the customer.
• Administer and support Oracle Exadata environments, including patching, health checks and performance tuning.
• Manage and support Oracle databases hosted on Oracle Cloud Infrastructure (OCI) and Oracle on Azure, including provisioning, backup and recovery, and disaster recovery.
• Perform performance tuning, capacity planning and root-cause analysis across production and non-production environments.
• Manage database backup and recovery, patching, upgrades and security hardening.
• Maintain accurate documentation, runbooks and knowledge base articles.
• Participate in change, incident and problem management processes, and drive continuous improvement.
• Contribute to the ongoing development of Brennan’s in-house Oracle support capability.

Key skills and experience required:

• 10+ years’ hands-on experience as an Oracle DBA in enterprise environment.
• Demonstrated experience running and supporting Oracle databases on Oracle Cloud Infrastructure (OCI).
• Experience running Oracle databases on Azure (Oracle Database@Azure or Oracle on Azure VMs).
• Strong background in performance tuning, capacity planning and
  troubleshooting complex database issues.
• Solid experience with Oracle RAC, Data Guard, ASM, and RMAN backup and recovery.
• Proven ability to work independently as a dedicated resource for a customer with strong customer-facing communication skills.
• Experience working within ITIL-aligned incident, problem and change
  management processes.
• Oracle Certified Professional (OCP) or equivalent certification.

If you have the right experience and are looking for an opportunity to make a meaningful impact, this role offers the chance to become the trusted Oracle expert for a key client while helping Brennan build its in-house Oracle capability.

Note: As part of our hiring process, you will be required to undertake a National Criminal History Check. 

Brennan is an equal opportunity employer.