Production Database Administrator — Performance and Reliability for NATO with security clearance
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This is a production DBA post on open source engines: PostgreSQL and MySQL, standalone and clustered, across development, test and live. It is the unglamorous half of database work — the half where replication lag, lock contention and a badly planned query decide whether anyone else can do their job today.
What You Would Be Doing
- Install, configure, maintain and upgrade PostgreSQL 12+ and MySQL 8+, standalone and clustered.
- Run routine maintenance properly — schema housekeeping, index maintenance, statistics, retention.
- Manage users, roles, privileges and authentication on least-privilege lines.
- Forecast storage growth and advise on partitioning and archiving before capacity becomes an incident.
- Troubleshoot production problems: data corruption, replication failures, performance degradation.
- Monitor database health — lock contention, deadlocks, wait events, replication lag, resource use.
- Analyse and optimise query performance, with execution plans and InnoDB tuning as everyday tools.
- Produce root cause analysis for critical incidents and keep environments consistent.
What you would bring
- Solid production experience on both PostgreSQL and MySQL.
- Replication, clustering and recovery experience that has been tested rather than documented.
- Real query optimisation practice on both engines.
- Capacity planning and monitoring instincts.
- The habit of coordinating with application and infrastructure teams rather than around them.
The work is full time on site in Brussels.
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