Staff Database Administrator

Remote

Senior

Full Time

9 days ago

💰$134,133 - $208,254

remotedatabaseMariaDBMySQLSREautomationopen source

Requirements

•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
•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

•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

•Proficiency at automation/programming/scripting (Python) and standard software development practices
•Experience with SRE practices and tooling, including configuration management & orchestration
•Experience with LAMP stack technologies (PHP/HHVM, memcached/Redis) - MediaWiki experience is a definite plus
•Experience with other advanced distributed storage and database systems (Swift, Ceph, Cassandra, etc.) is a plus
•Strong track record of open source contributions is a major plus