You are responsible for:

• Design, implementation and maintenance of public facing infrastructure and services
• Use of configuration management and deployment tools
• Architectural design and operation at scale
• Monitoring of systems and services, optimization of performance and resource utilization
• Common operating system level tasks such as logging and backup / restore
• Cookbook / runbook implementation for common maintenance actions
• Incident response, diagnosis and follow-up on system outages or alerts
• Automation and streamlining of tasks as well as identifying process gaps
• Collaborating with a global and asynchronously communicating team (don't worry if you have never worked remotely, we'll help you get used to it)
• Mentoring peers in your areas of technical and operational strength

Skills and Experience:

• 5+ years experience in an SRE/Operations/DevOps role
• Experience with operating highly available infrastructure
• Experience with running applications and services at scale
• Proficient with shell and a programming language used in an SRE/Operations engineering context (Python, Go, Ruby, etc.)
• Comfortable with Open Source configuration management and orchestration tools (Puppet, Ansible, TerraForm etc.)
• Communicative technical English

Additionally, we'd love it if you have:

• Experience implementing containerization solutions (Docker, Kubernetes)
• Experience administering code collaboration software (Gitlab, Gerrit)
• Experience with package management for operating systems (Debian, etc)
• We are avid supporters (and users) of open source software; history of contributing to Open Source projects is valued
• Familiarity with RFC 2549
• Prior participation in the Wikimedia movement

You are responsible for:

• Operate and improve the RDBMS systems serving Wikimedia projects
• Respond to common database issues, following documented procedures
• Collaborate with SRE and other teams across the organization to ensure their specific database needs are met on an ongoing basis
• Perform day-to-day operational/DevOps tasks on Wikimedia's public facing infrastructure (deployment, maintenance, configuration, troubleshooting)
• Implement and utilize configuration management and deployment tools
• Monitor systems, services and service clusters, optimize performance and resource utilization
• Participate in 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

Skills and Experience:

• 2+ years experience in a DBA role as part of a team
• 3+ years experience with Linux in a production environment
• Knowledge and experience of (Free and Open Source) RDBMS (preferably MariaDB or MySQL) administration (understanding of and experience with replication is essential) and support, debugging query performance and schema design
• Comfortable with shell and at least one of the scripting languages used in an SRE/Operations engineering context (Python, Go, Bash, Ruby, etc.)
• Passion for automating tasks and processes
• Strong English language skills and ability to work independently, as an effective part of a globally distributed team
• B.S. or M.S. in Computer Science or equivalent work experience

Additionally, we'd love it if you have:

• Experience working with or as a part of SRE/Operations/DevOps teams
• Experience with NoSQL products (Cassandra, Redis, Elasticsearch, etc.)
• Experience with LAMP stack technologies (PHP/HHVM, memcached/redis, MySQL) - MediaWiki familiarity would be great!
• Developing Free and Open Source software, or being part of an open-source community

You are responsible for:

• Improving the Wikipedia product experience
• Iterating on new products and features through collaboration with designers and product managers
• Writing multilingual and accessible JavaScript, CSS, and PHP
• Creating and maintaining internet APIs with server scripting languages
• Instrumenting components to monitor feature and quality characteristics
• Leveraging caching and persistence technologies

Skills and Experience:

• 4+ years related professional experience in functional programming or OOP
• Experience building user-friendly features and software components with good performance
• Focused software engineering: you enjoy writing unit and integration tests, proactively addressing security and code review feedback, and thoughtfully balancing architectural tradeoffs

Qualities that are important to us:

• A desire to make meaningful contributions to knowledge equity, free culture, and open access
• An emphasis on communicating clearly in both synchronous and asynchronous channels

Additionally, we'd love it if you have:

• Fluency in one or more regional languages in Africa, Asia, or Latin America
• Practical skills with Vue.js or React
• Project work in data science, machine learning, AI (especially on natural language)
• A history of open source contribution
• Bachelor's, master's, or doctorate degree in computer science, management information systems, or STEM field (or equivalent certification)
• Familiarity with Wikipedia / wikitext / markdown editing or content management systems (e.g., MediaWiki, Drupal, WordPress). We grow and care for MediaWiki and Wikimedia specific services. MediaWiki is an open source, PHP, MySQL, and JavaScript web application that powers Wikipedia and other Wikimedia Foundation websites. It has been incrementally developed for over 15 years to become a richly featured wiki engine and the basis for hundreds of extensions and skins, and has a vibrant volunteer community. Our services utilize a number of technologies.
• Experience developing for markets in Africa, Asia, or Latin America.