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Senior Database Administrator

Posted 6 months agoViewed

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💎 Seniority level: Senior, 5+ years

📍 Location: Australia, Austria, Bangladesh, Belgium, Brazil, Canada, Colombia, Costa Rica, Croatia, Czech Republic, Denmark, Egypt, Estonia, Finland, France, Germany, Ghana, Greece, India, Indonesia, Ireland, Israel, Italy, Kenya, Mexico, Netherlands, Nigeria, Peru, Poland, Singapore, South Africa, Spain, Sweden, Switzerland, Uganda, United Arab Emirates, United Kingdom, United States of America, Uruguay

💸 Salary: $109,047 - $169,455 per year

🔍 Industry: Nonprofit Organization / Free Knowledge Projects

🏢 Company: Wikimedia Foundation👥 251-500💰 $2,100,000 Grant over 5 years ago

🗣️ Languages: English

⏳ Experience: 5+ years

🪄 Skills: SQLMySQLLinux

Requirements:
  • Advanced level of experience with MariaDB or MySQL database administration and replication topologies at scale.
  • Proficiency in SQL.
  • Experience with debugging query performance and schema design.
  • Experience with MySQL high availability and replication management tooling.
  • Knowledge of Linux and IO/data storage concepts, internals and troubleshooting.
  • Experience with managing remotely both bare-metal servers and virtualized environments.
  • 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, 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.
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 across Wikimedia’s production infrastructure and participating in an on call rotation.
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