Senior Infrastructure Tooling Software Engineer
CloudflareHybrid$187k – $229kPosted 24 February 2026
Job Description
<div class="content-intro"><div><strong>About Us</strong></div>
<div>
<p>At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. </p>
<p><span style="font-weight: 400;">We realize people do not fit into neat boxes. We are looking for curious and empathetic individuals who are committed to developing themselves and learning new skills, and we are ready to help you do that. We cannot complete our mission without building a diverse and inclusive team. We hire the best people based on an evaluation of their potential and support them throughout their time at Cloudflare. Come join us! </span></p>
</div></div><h4><strong>About the department</strong></h4>
<p>Cloudflare’s Resiliency Engineering Team builds and runs the systems and software that support our solutions that handle trillions of requests per month. Resiliency Engineering ensures that all new and existing features and functionality that Cloudflare offers can be managed at scale and meet the needs of our massively growing customer base.</p>
<p>The Infrastructure Tooling Team within Resiliency Engineering is responsible for defining, building and supporting tools and services used across Cloudflare to manage its infrastructure. These tools enable both Cloudflare’s daily operation and its relentless growth.</p>
<h4><strong>What you'll do</strong></h4>
<p>In this role you’ll have an opportunity to work on our internal infrastructure control plane application "Zinc". Zinc is a Rust application that is used to manage our global fleet of servers and network devices. Zinc answers every device’s question: what am I, what do I do? The service is high performance, highly available, and is special in that it also shares few dependencies with most other Cloudflare services, since most systems have a dependency on Zinc.</p>
<p>Your work on Zinc will directly affect the efficiency and resilience of Cloudflare's vast global server and network infrastructure. If you are passionate about optimizing and scaling globally distributed systems, this may be the team for you!</p>
<p>Read more about Zinc in the Cloudflare blog: <a href="https://blog.cloudflare.com/redefining-fleet-management-at-cloudflare/">Redefining Fleet Management at Cloudflare</a>.</p>
<p>Because you’ll be solving problems of great significance, and<a href="https://blog.cloudflare.com/solarwinds-orion-compromise-trend-data/"> shaping the future of the Internet</a>, you are a growth-oriented individual who enjoys being outside of your comfort zone in a fast-paced environment.</p>
<p><strong>Examples of desirable skills, knowledge and experience</strong></p>
<p>The ideal candidate for this position is curious, hard-working, and loves owning and improving critical infrastructure services.</p>
<p>We're interested in candidates who bring:</p>
<ul>
<li>Programming experience in Rust, Go, Python or similar languages. (If you’re not a Rust expert, you are willing to become one.)</li>
<li>Experience (and love) for debugging to ensure the system works in all cases</li>
<li>Experience with Distributed Systems at scale is a plus</li>
<li>Collaborates well with smart, driven, and highly technical users</li>
<li>Designing and building APIs. Also welcome: CLI, React apps, SDK, system integrations like ... (truncated, view full listing at source)
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