Job Description

The Wikimedia Foundation is seeking a Senior DBA. Our objective is to make the sum of all human knowledge available to everyone, and we persist most of this knowledge in MariaDB. Our project sites are some of the most highly visited on the internet, with more page views per engineer than any other site.

As a Senior DBA at the Wikimedia Foundation, you will be part of a small, focused team of skilled and experienced engineers. In this role, you will be responsible for ensuring the health of our database systems – including their availability and performance. Your responsibilities will include troubleshooting issues, database maintenance, performance tuning, high availability, replication, backups, and general optimization as well as benchmarking and testing new MariaDB and MySQL builds.WMF is a proponent of privacy and using free and open-source software. We run a large database cluster with MariaDB on bare metal Linux hosts.The work we do is crucial and is used by hundreds of millions of people. This is a unique opportunity to make a huge impact for a good cause.The candidate should be open to travel 1-2 times a year.

Qualifications

Advanced level of experience with MariaDB or MySQL database administration as the primary production database as well as replication topologies at scale

Knowledge of Linux and IO/data storage concepts, internals and troubleshooting (we run Linux in production exclusively)

Proficiency in SQLExperience with debugging query performance and schema design

Experience with MySQL high availability and replication management tooling

Experience with remotely managing bare-metal servers

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

The Wikimedia Foundation is a remote-first organization with staff members including contractors based 40+ countries*. Salaries at the Wikimedia Foundation are set in a way that is competitive, equitable, and consistent with our values and culture. The anticipated annual pay range of this position for applicants based within the United States is US$109,047 to US$169,455 with multiple individualized factors, including cost of living in the location, being the determinants of the offered pay. For applicants located outside of the US, the pay range will be adjusted to the country of hire. We neither ask for nor take into consideration the salary history of applicants. The compensation for a successful applicant will be based on their skills, experience and location. 

*Please note that we are currently able to hire in the following countries: 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 and Uruguay.  Our non-US employees are hired through a local third party Employer of Record (EOR).