Top Database Administrator Jobs in Sydney

Provides operational database administration across Oracle and SQL Server environments. Responsibilities include monitoring performance, maintaining availability and reliability, supporting upgrades, backups and recovery, troubleshooting production issues, contributing to database projects and continuous improvement, and collaborating with infrastructure and application teams. The role also requires participation in an approximately biweekly on-call roster and occasional paid overtime for business-critical payment systems.

Administer, optimise, secure and support enterprise Microsoft SQL Server environments. Responsibilities include performance monitoring and tuning, high availability, backup and disaster recovery, database design, migrations, integrations, testing, governance, Level 3 support, vendor management and continuous improvement. The role provides technical guidance to stakeholders and project teams while ensuring reliable, scalable database solutions for critical business applications.

Manage and administer enterprise database platforms for targeting systems, including performance tuning, backups and recovery, security controls, and stakeholder knowledge sharing.

Maintain availability, security, and performance of SQL Server and PostgreSQL environments. Perform installations, upgrades, patching, backups, recovery, replication, clustering, and disaster recovery. Support migrations (on-premises→cloud, SQL Server→PostgreSQL), troubleshoot performance and connectivity, contribute automation via Ansible/GitHub Actions and scripting, work with cloud/DevOps/app teams, and maintain documentation and standards.

Manage and support LoadSpring's database portfolio: install and upgrade servers, enforce security and access controls, maintain backups and recovery plans, monitor performance and alerts, apply patches, troubleshoot issues, respond to tickets within SLA, follow change/problem management, participate in 24/7 on-call rotation, and mentor the DBA team.

Design, deploy and support scalable, highly available AWS Aurora/RDS databases; troubleshoot performance incidents on a 24/7 roster; build automation and operational playbooks; mentor team members and document systems to support migrations and critical projects.