Senior Site Reliability Engineer, Database Excellence

<div class="content-intro"><p>GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster.</p> <p>The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our <a href="https://handbook.gitlab.com/handbook/values/">values</a> and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. <a href="https://www.youtube.com/watch?v=OuZIb5zszQI">Co-create the future with us</a> as we build technology that transforms how the world develops software.</p> <p>*<em>Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab.</em></p></div><h2>An overview of this role</h2> <p>You'll join our Database Excellence team as a Senior Site Reliability Engineer. You'll help keep GitLab.com, one of the largest single-tenancy open source SaaS platforms on the internet, running smoothly and reliably. In this role, you'll take ownership of the PostgreSQL database infrastructure that powers millions of developers worldwide, automating operational tasks, improving system performance and reliability, and designing solutions that scale to support hundreds of thousands of concurrent users. You'll work at a unique scale where your decisions directly impact the experience of our customers, and the feedback you generate informs product development across GitLab. Over your tenure, you'll establish and deepen expertise in core areas of database operations, mentor team members at all levels, and drive projects that deliver measurable improvements to system efficiency and reliability.</p> <p>You bring both pragmatic operational discipline and software craftsmanship to this role. You're not just responding to incidents. You're designing systems and building automation that prevent them. You'll partner with engineering teams across GitLab to review database changes, optimize performance, and help others succeed through self-service tooling and knowledge sharing. This is hands-on infrastructure work at scale, where your contributions directly shape how reliably and securely GitLab serves the entire platform.</p> <h2>What you’ll do</h2> <ul> <li value="1">Automate operational tasks across all environments, from package updates and configuration changes to provisioning of user-facing services, so manual effort becomes the exception, not the rule.</li> <li value="2">Design and maintain PostgreSQL database infrastructure components that allow GitLab.com to scale reliably while supporting hundreds of thousands of concurrent users.</li> <li value="3">Respond to production incidents and platform emergencies, working with peer SREs to diagnose and resolve database-related issues quickly and thoroughly.</li> <li value="4">Build observability systems that monitor database health, predict capacity needs based on usage patterns, and alert on symptoms rather than outages.</li> <li value="5">Develop and ship database performance solutions in collaboration with product and engineering teams, including query optimization, migration reviews, and infrastructure recommendations.</li> <li value="6">Cre ... (truncated, view full listing at source)