Senior SQL DBA - Performance & Security Lead

Ambition Recruitment; Sydney; On-site; AUD 150,000 - 210,000; Full time

Job summary

Ambition Recruitment is seeking an experienced Senior Database Administrator to own end-to-end performance, availability, security, and lifecycle management of enterprise database platforms across production and non-production environments.

You will collaborate with Infrastructure and IT teams to influence architecture decisions, contribute to long-term technology roadmaps, and ensure databases supporting critical business systems are reliable and optimised.

Qualifications

• 5+ years of senior database administration in enterprise environments.
• Strong expertise in Microsoft SQL Server administration and HA architectures.
• Experience with backup, recovery and disaster recovery planning/testing.
• Solid understanding of database security and data protection.
• Ability to troubleshoot complex database issues and document processes.

Responsibilities

• Own production and non-production database environments with high availability and data integrity.
• Install, configure, monitor, and optimise databases including performance tuning and capacity planning.
• Contribute to database architecture and technology roadmaps.
• Implement security controls including access management, encryption and auditing.
• Design, maintain, and test backups, recovery, and DR capabilities.
• Provide database support for key enterprise applications and upgrades/migrations.
• Develop and optimise SQL, stored procedures and scripts for automation.
• Collaborate with IT and business teams on data platform projects.

Skills

SQL Server administration

Performance tuning

High availability architectures

Backup and disaster recovery planning

Database security and access control

Automation and scripting

Documentation and troubleshooting

Tools

SQL Server Management Studio

Job description

Ambition Recruitment is seeking an experienced Senior Database Administrator to own end-to-end performance, availability, security, and lifecycle management of enterprise database platforms across production and non-production environments.

You will collaborate with Infrastructure and IT teams to influence architecture decisions, contribute to long-term technology roadmaps, and ensure databases supporting critical business systems are reliable and optimised.