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**Job Summary** We are looking for exceptional engineers who like to bridge development and operations to support Wikimedia's technical team in building transformative improvements to the functionality and user experience on Wikipedia and our other sites, while maintaining high site reliability and performance. **Responsibilities** * Improve automation, tooling and processes to support development and deployment * Form deep partnership with engineering teams to work on improving user site experience * Participate in sprint planning meetings and support intra-department coordination * Troubleshoot site outages and performance issues, including on-call response * Help with the provisioning of systems and services, including configuration management * Support capacity planning, profiling of site performance, and other analysis * Help with general ops issues, including tickets and other ongoing maintenance tasks **Your Background** You have strong systems administration skills, a solid engineering background (ideally with a completed Computer Science education), and at least 3 years of hands-on experience in high volume, high transaction environments. You're comfortable using whatever tools are required to get the job done: * Scripting languages (Python, Perl, Ruby, various shells etc.) * The LAMP stack, monitoring tools (ganglia, nagios etc.), Squid, Varnish, memcached, queueing systems, etc. * Systems programming languages and debugging/profiling tools (C, C++; gdb, strace, oprofile, etc.). * Researching, developing and testing new ways and tools to make site performance, maintenance and reliability better. * Strong interest in systems and network security Nobody knows everything, but you have a solid foundation of skills that allow you to anticipate and respond to issues that may affect site reliability and performance, and help bridge development and operations. **About the Wikimedia Foundation** The Wikimedia Foundation is the non-profit organization that operates Wikipedia, the free encyclopedia. Our commitment: Imagine a world in which every single human being can freely share in the sum of all knowledge. According to comScore Media Metrix, Wikipedia and the other projects operated by the Wikimedia Foundation receive more than 482 million unique visitors per month, making them the fifth-most popular web property world-wide (comScore, January 2012). Available in 282 languages, Wikipedia contains more than 21 million articles contributed by a global volunteer community of more than 100,000 people. Based in San Francisco, California, the Wikimedia Foundation is an audited, 501(c)(3) charity that is funded primarily through donations and grants. The Wikimedia Foundation was created in 2003 to manage the operation of Wikipedia and its sister projects. It currently employs 100 staff members. Wikimedia works with local chapter organizations in 39 countries or regions to advance the mission of the Wikimedia movement. [http://wikimediafoundation.org](http://http://wikimediafoundation.org) [http://blog.wikimedia.org](http://blog.wikimedia.org) Brought to you by code4lib jobs: http://jobs.code4lib.org/job/5351/