Job Description

The Wikimedia Foundation is seeking a Staff Database Administrator to ensure the health and performance of their production relational database systems, supporting Wikipedia and its sister projects. This role involves designing, operating, and optimizing MariaDB and other MySQL derivatives at a large scale, contributing to the reliability and scalability of the technology powering some of the most visited websites globally.

Responsibilities

• Ensure database health and performance
• Deploy and maintain database systems
• Design and manage replication topologies
• Consult on database schema and queries
• Monitor and optimize query performance
• Improve database observability
• Capacity and infrastructure planning
• Automate database management workflows
• Manage database backups
• Maintain relationships with MariaDB upstream projects
• Participate in on-call rotation

Requirements

• Advanced MariaDB/MySQL administration experience
• Advanced SQL proficiency
• Experience debugging query performance
• Experience with high traffic websites
• Knowledge of Linux and IO concepts
• 6+ years DBA experience
• Solid English skills
• Ability to travel
• Independent work ability

Benefits

• No benefits