Senior DB Engineer: PostgreSQL & MySQL High Availability

Wlgroup; Brussel Hoofdstad; Sur place; EUR 70 000 - 100 000; Plein temps

Résumé du poste

Wlgroup in Brussels is seeking a production DBA skilled in PostgreSQL and MySQL to run on prem, across development, test and live. You will optimize queries, manage replication, and plan capacity to prevent capacity issues.

Responsibilities include provisioning, backup and recovery, monitoring, and post-incident root-cause analysis to prevent recurrence. On-site, full-time in Brussels.

Qualifications

• Solid production experience on PostgreSQL and MySQL.
• Experience with replication, clustering and recovery that has been tested.

Responsabilités

• Install, configure, maintain PostgreSQL 12+ and MySQL 8+ (standalone and clustered).
• Run routine maintenance: schema housekeeping, index maintenance, statistics, retention.
• Manage users, roles, privileges and authentication on least-privilege basis.
• Forecast storage growth and advise on partitioning and archiving.
• Troubleshoot production problems: data corruption, replication failures, performance issues.
• Monitor database health: locks, deadlocks, wait events, replication lag, resource use.
• Analyse and optimise query performance with execution plans and InnoDB tuning.
• Produce root cause analyses for critical incidents and ensure environment consistency.

Connaissances

PostgreSQL

MySQL

Replication

Clustering

Query optimisation

Capacity planning

Monitoring

Incident analysis

Outils

InnoDB tuning

Execution plans

Description du poste

Wlgroup in Brussels is seeking a production DBA skilled in PostgreSQL and MySQL to run on prem, across development, test and live. You will optimize queries, manage replication, and plan capacity to prevent capacity issues.

Responsibilities include provisioning, backup and recovery, monitoring, and post-incident root-cause analysis to prevent recurrence. On-site, full-time in Brussels.