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.
Key Responsibilities
Database Architecture & Scalability
· 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.
Performance & Reliability Engineering
· 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.
Automation, Tooling & Operations
· Improve and maintain automation for:
o Database provisioning
o Backup and recovery
o Replication, failover, and disaster recovery
o 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.
Database Governance & Security
· 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.
Collaboration & Enablement
· 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.
Documentation & Best Practices
· 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.
Leadership & Collaboration
· Guide engineers and DBAs, improving the overall database maturity of the organization.
· Lead by example in operational excellence, ownership, and technical rigor.
Required Experience & Skills
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 proficiency in both written and spoken English communication.
Desirable / Bonus Experience
MySQL clustering technologies (e.g. Galera Cluster).
Monitoring tools…