Database Administrator NGO Job Wikimedia Foundation
IT Jobs. Wikimedia Foundation Jobs
You are responsible for:
- Ensure the health and performance of Wikimedia’s production relational database systems, and the structural integrity of its data.
- Deploy, maintain and troubleshoot relational database systems in production, development and staging environments
- Design, implement, manage and automate (multi-site) replication topologies
- Consult in the design of database schemas and queries, and implement/oversee database schema changes in production
- Monitor, debug and optimize database query performance
- Improve observability (alerting, metrics, monitoring) of database infrastructure
- Capacity and infrastructure planning, including (on-prem) bare-metal hardware
- Contribute to the automation of common database management workflows
- Enable the reliable generation and timely restoration of database backups
- Maintain relationships with the MariaDB upstream projects/organizations, and working with upstream developers on bug identification and resolution
- Participate in a 24/7 on-call rotation shared across the team – taking part in incident response, diagnosis and follow-up on system outages or alerts across Wikimedia’s production infrastructure.
Skills and Experience:
- Advanced level of experience with MariaDB or MySQL database administration as the primary production database, including complex replication topologies at scale
- Advanced proficiency in SQL and query/schema optimization
- Experience with debugging query performance and schema design
- Experience with high traffic and highly available website architectures and operations
- Experience with MySQL high availability and replication management tooling
- Knowledge of Linux and IO/data storage concepts, internals and troubleshooting (we run Linux in production exclusively)
- 6+ years experience in a hands-on DBA role as part of a team
- Solid English language skills
- Ability to travel 1-2 times a year
- Ability to work independently in a fast paced environment, as an effective part of a globally distributed team, including ticket tracking systems and asynchronous communication tools
- B.Sc. or M.Sc. in Computer Science, or equivalent work experience
How to Apply
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