Site Reliability Engineer 3
MongoDB’s mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI.
What this role actually needs.
MongoDB’s mission is to empower innovators to create, transform, and disrupt industries by unleashing the power of software and data. We enable organizations of all sizes to easily build, scale, and run modern applications by helping them modernize legacy workloads, embrace innovation, and unleash AI. Responsibilities: - Design and build the infrastructure for a global cloud service that comprises hundreds of thousands of MongoDB clusters, processes a billion metrics per day, and replicates tens of billions of database writes to our backup service - Design, implement, and troubleshoot the automation and monitoring of services that seamlessly spans the globe - including several cloud providers - Become an expert in infrastructure performance, helping us optimize from the application level all the way through the firmware - Build for resilience. Our goal is that nobody’s pager goes off, ever. Are we there yet? No. Are we really close? Very. While we work on that - participate in a weekly on-call rotation - Improve our infrastructure capabilities, optimizing for cost, simplicity, and maintainability Company context: MongoDB is the public document database company powering modern applications across cloud, on-prem, and edge.
Day-to-day expectations
Mongodb lists these responsibilities for the Site Reliability Engineer 3 role.
- Design and build the infrastructure for a global cloud service that comprises hundreds of thousands of MongoDB clusters, processes a billion metrics per day, and replicates tens of billions of database writes to our backup service
- Design, implement, and troubleshoot the automation and monitoring of services that seamlessly spans the globe - including several cloud providers
- Become an expert in infrastructure performance, helping us optimize from the application level all the way through the firmware
- Build for resilience. Our goal is that nobody’s pager goes off, ever. Are we there yet? No. Are we really close? Very. While we work on that - participate in a weekly on-call rotation
- Improve our infrastructure capabilities, optimizing for cost, simplicity, and maintainability
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Source: mongodb.com · Source ID: 7821318 · Confidence: 90/100 · Last checked: May 7, 2026
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