Database Architect

Wikimedia Foundation · Aug 2nd 2019

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Summary

Wikimedia's goal is to provide every single person with the sum of all human knowledge and MariaDB/MySQL is how we store it. You will be joining a small mission driven team of talented highly experienced engineers. As one of the most highly trafficked sites, there is literally nowhere else serving as many page views per engineer. As a Database Architect at the Wikimedia Foundation, you will be responsible for the architecture, design, availability and performance of our database infrastructure in a globally distributed infrastructure. You will work together with our developers and SREs on optimizing queries, schema design and coming up with a data strategy. This is a unique opportunity to have a huge impact. Our work is important, and it’s used by hundreds of millions of people.

Responsibilities

  • Drive research, architecture, design, and implementation of Wikimedia persistent data storage & query infrastructure

  • Coordinate and consult with and communicate with other members of the Wikimedia engineering teams on data and query design for MediaWiki & associated services and projects

  • Be part of the team that is responsible for database performance tuning, high availability, backups, and general optimization.

  • Lead internal documentation efforts, mentor other staff in various aspects of Wikimedia infrastructure and services and lead by setting the example

  • Lead incident response, diagnosis and follow-up on system outages or alerts across Wikimedia’s production infrastructure

  • Share our values and work in accordance with them

Qualifications

  • Deep knowledge of database storage concepts and working experience with storage systems, architectures and concepts

  • Advanced level of experience with MariaDB or MySQL database administration and replication topologies at scale

  • In-depth knowledge of SQL and optimization of queries

  • Strong programming language skills and experience designing and developing software using relational databases at large scale

  • 5+ years experience in an DBA/SRE/Operations/DevOps role as part of a team

  • Advanced knowledge of Linux and IO/data storage internals and troubleshooting

  • Experience with managing geographically distributed, highly available, high traffic infrastructure based on Linux

  • Experience with Open Source configuration management and orchestration tools (Puppet, Ansible, Chef, SaltStack, etc.), as well as modern observability infrastructure (Prometheus, Grafana, Graphite, Logstash/Kibana, Icinga/Nagios, etc.)

  • Experience with managing remotely both bare-metal servers and virtualized environments

  • Strong English language skills

  • Ability to work independently, as an effective part of a globally distributed team, including ticket tracking systems and asynchronous communication tools

  • B.S. or M.S. in Computer Science or equivalent in work experience

Optional qualifications

  • Experience with LAMP stack technologies (PHP/HHVM, memcached/Redis, MySQL) - MediaWiki experience is a definite plus

  • Experience with advanced distributed storage and database systems (Swift, Ceph, Cassandra, etc.) or graph databases (Titan, Blazegraph, etc.) is a big plus

  • Strong track record of open source contributions is a major plus

The Wikimedia Foundation is...

...the nonprofit organization that hosts and operates Wikipedia and the other Wikimedia free knowledge projects. Our vision is a world in which every single human can freely share in the sum of all knowledge. We believe that everyone has the potential to contribute something to our shared knowledge, and that everyone should be able to access that knowledge, free of interference. We host the Wikimedia projects, build software experiences for reading, contributing, and sharing Wikimedia content, support the volunteer communities and partners who make Wikimedia possible, and advocate for policies that enable Wikimedia and free knowledge to thrive. The Wikimedia Foundation is a charitable, not-for-profit organization that relies on donations. We receive financial support from millions of individuals around the world, with an average donation of about $15. We also receive donations through institutional grants and gifts. The Wikimedia Foundation is a United States 501(c)(3) tax-exempt organization with offices in San Francisco, California, USA.

The Wikimedia Foundation is an equal opportunity employer, and we encourage people with a diverse range of backgrounds to apply

U.S. Benefits & Perks*

  • Fully paid medical, dental and vision coverage for employees and their eligible families (yes, fully paid premiums!)

  • The Wellness Program provides reimbursement for mind, body and soul activities such as fitness memberships, baby sitting, continuing education and much more

  • The 401(k) retirement plan offers matched contributions at 4% of annual salary

  • Flexible and generous time off - vacation, sick and volunteer days, plus 19 paid holidays - including the last week of the year.

  • Family friendly! 100% paid new parent leave for seven weeks plus an additional five weeks for pregnancy, flexible options to phase back in after leave, fully equipped lactation room.

  • For those emergency moments - long and short term disability, life insurance (2x salary) and an employee assistance program

  • Pre-tax savings plans for health care, child care, elder care, public transportation and parking expenses

  • Telecommuting and flexible work schedules available

  • Appropriate fuel for thinking and coding (aka, a pantry full of treats) and monthly massages to help staff relax

  • Great colleagues - diverse staff and contractors speaking dozens of languages from around the world, fantastic intellectual discourse, mission-driven and intensely passionate people

*Eligible international workers' benefits are specific to their location and dependent on their employer of record

More information

Wikimedia Foundation website

Wikimedia Foundation blog

Annual Report - 2017

Wikimedia 2030

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