Senior MySQL DBA
Twitter - San Francisco, CA

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Twitter represents an evolving intersection of web, mobile, and API traffic, all of which is quickly growing and results in a complex and dynamic database environment. We are looking to add to a team that is laying the groundwork for our service to scale in a cost-effective and reliable way.


You must be an experienced Database Administrator or Systems Engineer with strong MySQL skills to help us maintain one of the largest and fastest-growing MySQL installations in the world. As a DBA, you will work with other Senior and Junior DBAs, Operations Engineers, and Product Engineers to investigate problems, implement solutions, achieve efficiency gains, and automate repetitive tasks. You will have a strong work ethic, the ability to keep complex tasks organized, and an amazing attention to detail. You must not have an itchy trigger-finger.


  • Three or more years of hands-on experience administrating MySQL databases, with OLTP usage patterns, in 100+ machine environments.
  • Expert-level experience with master/slave replication in a complex and dynamic production environment.
  • Understanding of both MyISAM and InnoDB storage engines. Deep understanding of InnoDB internals and performance quirks is a big plus.
  • Solid knowledge of both standard SQL and MySQL-specific commands.
  • Ability to write Bash, Perl, Python, and/or Ruby scripts for monitoring, regular maintenance, and automation of tasks.
  • Knowledge of system tools such as netstat, lsof, iostat, vmstat, and others, and the ability to deploy that knowledge in production-critical investigations.
  • Plus: Familiarity with systems-automation tools such as puppet.
  • Plus: Experience benchmarking and evaluating database hardware and software configurations.
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Twitter is an online social networking service that enables users to send and read short 140-character messages called "tweets"....