Open Source DBA — PostgreSQL & MySQL, On-Site Brussels

Wlgroup; Brussel Hoofdstad; Sur place; EUR 60 000 - 90 000; Plein temps

Résumé du poste

Wlgroup is seeking a production DBA in Brussels to manage PostgreSQL 12+ and MySQL 8+ in standalone and clustered environments. You will perform maintenance, tuning, capacity planning and proactive monitoring to prevent incidents.

You will troubleshoot data issues, optimize queries, and coordinate with application and infrastructure teams to keep environments consistent and reliable. This on-site role demands hands-on problem solving.

Qualifications

• Solid production experience on PostgreSQL and MySQL.
• Replication, clustering and recovery experience proven in production.
• Real query optimisation practice on both engines.
• Capacity planning and monitoring instincts.
• Ability to coordinate with application and infrastructure teams.

Responsabilités

• Install, configure, maintain and upgrade PostgreSQL 12+ and MySQL 8+ in various setups.
• Run routine maintenance, schema housekeeping and statistics.
• Manage users, roles, privileges, and authentication with least-privilege.
• Forecast storage growth and advise on partitioning and archiving.
• Troubleshoot production problems and analyse root causes.
• Monitor health: lock contention, replication lag and resource use.
• Analyse and optimise query performance with execution plans.
• Produce root cause analyses for incidents and keep environments consistent.

Connaissances

PostgreSQL

MySQL

Replication

Clustering

Query optimization

Capacity planning

Monitoring

Cross-team coordination

Description du poste

Wlgroup is seeking a production DBA in Brussels to manage PostgreSQL 12+ and MySQL 8+ in standalone and clustered environments. You will perform maintenance, tuning, capacity planning and proactive monitoring to prevent incidents.

You will troubleshoot data issues, optimize queries, and coordinate with application and infrastructure teams to keep environments consistent and reliable. This on-site role demands hands-on problem solving.