Senior Mysql Database Administrator; Dba)

At Aristocrat, we're passionate about bringing happiness to life through the power of play! As a Senior Database Administrator, you will have a meaningful role in ensuring our critically important database systems are secure, scalable, and reliable. You'll join a world-class team, applying your expertise to support the high-traffic, data-intensive workloads that power our popular gaming platforms. This is an outstanding chance to create a significant impact within an ambitious and innovative organization.

This role owns the end-to-end lifecycle of database platforms - from architecture and design, through performance optimization and automation, to incident response and long-term scalability planning. The successful candidate will act as a technical authority for MySQL, partnering closely with Architecture, Engineering, Data Science, and SRE teams to ensure our databases can safely scale to meet high-traffic, data-intensive workloads.

• Own and evolve the architecture of high-performance, highly available MySQL platforms supporting production game workloads (>50k QPS).
• Design database solutions that support long-term data growth, fault tolerance, and operational simplicity.
• Participate in technology roadmap planning, capacity forecasting, and architectural decision-making.

• Proactively identify, diagnose, and resolve database performance bottlenecks across schema design, queries, indexing, and configuration.
• Own performance issues end-to-end: triage, root cause analysis, solution design, implementation, and production verification.
• Define and help meet database reliability targets (SLOs) in collaboration with the Platform Reliability Team.

• Improve and maintain automation for:
  • Database provisioning
  • Backup and recovery
  • Replication, failover, and disaster recovery
  • Schema migrations and deployments
• Enhance observability through monitoring, alerting, and tooling (e.g. PMM, Prometheus, Grafana).
• Shift performance and security detection earlier in the development lifecycle via tooling and guidelines.

• Define and enforce database security standards, access controls, and auditing.
• Ensure compliance with regulatory requirements (e.g. gaming, PCI-DSS).
• Act as a gatekeeper for database-related application changes via reviews and guidance.

• Partner closely with Architecture, Engineering, and Data Science teams to deliver secure, scalable, and performant database designs.
• Act as a database maintainer for the Product Madness codebase, reviewing schema and query changes prior to release.
• Provide hands-on support through pairing, design reviews, and technical consultation.

• Build and maintain high-quality, HLD and LLD documentation covering architecture, operations, and standard methodologies.
• delivering database services and guidelines to our internal customers
• Continuously improve team workflows, operational processes, and standards.

• Guide engineers and DBAs, improving the overall database maturity of the organization.
• Lead by example in operational excellence, ownership, and technical rigor.

• Significant production experience with MySQL in critical environments (Percona MySQL, PostgreSQL, Redis, MongoDB)

Deep expertise in:

• MySQL internals
• MongoDB internals
• Replication and backup/recovery strategies
• Query optimization and performance tuning High-availability and scaling patterns
• Strong Linux administration skills.
• Demonstrable experience operating databases at high efficiency and low latency.
• Ability to collaborate effectively in a fast-paced, distributed environment.
• Strong…