Senior Site Reliability Engineer

Responsibilities

• Perform day-to-day operational and DevOps tasks on public-facing infrastructure
• Implement and utilize configuration management and deployment tools like Puppet and Kubernetes
• Automate the installation, configuration, and maintenance of services
• Assist product teams with architectural design for scalable functionality
• Participate in a 24/7 on-call rotation for incident response and diagnosis
• Collaborate with a global, cross-functional team asynchronously
• Mentor peers in technical and operational areas

Requirements

• 6+ years of experience in an SRE, Operations, or DevOps role
• Proficiency with shell scripting and languages such as Python, Go, Bash, or Ruby
• Experience with configuration management tools like Puppet or Ansible
• Experience designing and managing infrastructure security for large fleets
• Experience with package management on Linux systems (Debian preferred)
• Strong Linux system-level troubleshooting skills
• Experience leading incident response and post-incident reviews
• Strong English language skills

Preferred Qualifications

• Experience with software supply chain security and credential management
• Knowledge of monitoring, metrics, and logging infrastructure (Prometheus, Grafana)
• Experience with LAMP stack technologies (PHP/HHVM, memcached/Redis)
• Experience contributing to Free and Open Source software
• Experience defining and implementing cross-team SLOs

About the Company

The Wikimedia Foundation is the nonprofit organization that operates Wikipedia and other free knowledge projects. We aim to provide a world where every human can freely share in the sum of all knowledge.