Senior Site Reliability Engineer

Wikimedia Foundation

Senior Site Reliability Engineer at Wikimedia Foundation maintaining scalable infrastructure for API services. Collaborating with engineering teams to ensure high reliability and performance.

Posted 6/1/2026full-timeRemote • Arizona, California, Colorado, Connecticut, District of Columbia, Florida, Idaho, Illinois, Iowa, Maryland, Massachusetts, Minnesota, Missouri, Montana, New Jersey, New Mexico, New York, North Carolina, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming • 🇺🇸 United StatesSenior💰 $116,633 - $181,243 per yearWebsite

Tech Stack

Tools & technologies

AnsibleAWSAzureCloudDistributed SystemsGoGoogle Cloud PlatformKubernetesLinuxPuppetPythonRubyTerraform

About the role

Key responsibilities & impact

Performing day-to-day operational/DevOps tasks on Wikimedia’s public facing infrastructure (deployment, maintenance, configuration, troubleshooting)
Implementing and utilizing configuration management and deployment tools (Puppet, Kubernetes)
Leading continuous improvement, by automating the installation, configuration and maintenance of services on our platform
Working closely with product teams helping them bring scalable functionality to our users by assisting in the architectural design of new services and making them operate at scale
Participating in a 24/7 on-call rotation shared across the broader SRE team. This includes taking part in incident response, diagnosis and follow-up on system outages or alerts across Wikimedia’s production infrastructure.
Collaborating with a global, cross-functional team in an asynchronous communication environment
Mentoring peers in your areas of technical and operational strength

Requirements

What you’ll need

6+ years experience in an SRE/Operations/DevOps role as part of a team
Experience with shell and any scripting language used in an SRE context (Python, Go, Bash, Ruby; we primarily use Python) and configuration management tools (Puppet, Ansible; we use Puppet)
Experience with distributed caching systems: including their underlying algorithms and how to optimize their performance
Experience with package management on Linux systems (we use Debian)
Strong Linux system-level troubleshooting skills
History of automating tasks and processes, identifying process gaps, and finding automation opportunities
Strong English language skills (verbal and written) and ability to work independently, as an effective part of a globally distributed team working across multiple time zones
Experience leading and participating in incident response and post-incident review rituals, with the goal of conducting root cause analysis and implementing preventive measures

Benefits

Comp & perks

Competitive salary
Comprehensive health insurance
Flexible work arrangements
Generous paid time off
Professional development opportunities

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

DevOpsSREPythonGoBashRubyPuppetAnsibleLinuxdistributed caching systems

Soft Skills

mentoringcollaborationcommunicationindependenceincident responseroot cause analysiscontinuous improvementtroubleshootingproblem-solvingasynchronous communication