MySQL DBALocation - Wokingham (Hybrid working)Salary - £75,000 + Bonus, pension, healthcare, life assurance, 25 days holidayLarge Sharded Databases | High Scale SaaS PlatformI''m supporting a growing UK health tech organisation that is scaling a next generation clinical platform into a fully modern SaaS solution used 24/7 across the NHS. They are looking for a Senior MySQL DBA who loves solving performance challenges at scale and has deep experience working with large sharded MySQL environments.If you''re a MySQL DBA who gets excited about high volume, high availability systems this is a role where your technical expertise genuinely makes a difference.The core requirement (what really matters)This role is all about two things: Expert level MySQL experiencetuning, replication, scaling, performance engineering. Hands on experience managing large sharded databasesunderstanding shard allocation, scatter/gather queries, and distributed performance.If you bring those two skills, you''ll be a standout candidate.Everything else is a bonus.What you''ll be doingOwning the performance and reliability of large sharded MySQL databases in production.Monitoring shard allocation, query behaviour, MySQL replication and overall DB health.Ensuring high availability through zero downtime patching and robust DR processes.Overseeing Prometheus/Grafana monitoring, alerting and dashboard optimisation.Supporting data migrations, including PMI and patient data into the SaaS environment.Providing perfo