Full-Time Senior Database Administrator
Wikimedia is hiring a remote Full-Time Senior Database Administrator. The career level for this job opening is Senior Manager and is accepting Worldwide based applicants remotely. Read complete job description before applying.
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Senior Database Administrator
SummaryThe Wikimedia Foundation is seeking a Senior DBA. We persist most of this knowledge in MariaDB. Our project sites are some of the most highly visited on the internet.As a Senior DBA, you will be responsible for ensuring the health of our database systems - including availability and performance. Responsibilities include troubleshooting, database maintenance, performance tuning, high availability, replication, backups, optimization, benchmarking and testing new MariaDB and MySQL builds.
Responsibilities
- Implementation, maintenance and troubleshooting of relational database systems in production and staging environments
- Handling database version upgrades, testing and working with upstream on bug identification and resolution
- Configuring replication, designing schema optimizations and running schema changes
- Monitoring, debugging and improving query performance
- Improving observability (alerting, metrics, monitoring) of database infrastructure
- Multi-datacenter replication topology design, capacity and infrastructure planning
- Taking part in incident response, diagnosis and follow-up on system outages or alerts
- Sharing our values and work in accordance with them
Qualifications
- Advanced experience with MariaDB or MySQL database administration, replication topologies at scale
- Knowledge of Linux and IO/data storage concepts, internals and troubleshooting
- Proficiency in SQL
- Experience with debugging query performance and schema design
- Experience with MySQL high availability and replication management tooling
- Experience with remotely managing bare-metal servers
- 5+ years experience in a hands-on DBA role as part of a team
- Experience with high traffic and highly available website architectures and operations
- Strong English language skills
- Ability to work independently in a fast-paced environment