System Engineer, Netsys
CloudflareHybridPosted 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><p><strong>Available Locations:</strong> Lisbon, Portugal</p>
<p><strong>About the Department</strong></p>
<p>Cloudflare's Network Engineering Team builds and runs the infrastructure that runs our software. The Engineering Team is split into two groups: one handles product development and the other handles operations. Product development covers both new features and functionality and scaling our existing software to meet the challenges of a massively growing customer base. The operations team handles one of the world's largest networks with data centers in 190 cities worldwide and a couple of large specialized data centers for internal needs.</p>
<p><strong>About the Position</strong></p>
<p>Cloudflare operates a large global network spanning hundreds of cities (data centers). You will join a team of talented network automation engineers who are building software solutions to improve network resilience and reduce engineering operational toil.</p>
<p>You will work on a range of tools, infrastructure and services - new and existing - with an aim to elegantly and efficiently solve problems and deliver practical, maintainable and scalable solutions.</p>
<p><strong>Examples Of Desirable Skills, Knowledge And Experience</strong></p>
<ul>
<li>BA/BS in Computer Science or equivalent experience</li>
<li>Solid foundation on configuration management frameworks: Ansible, Chef, Saltstack.</li>
<li>Knowledge of programming languages like Python or Golang.</li>
<li>Highly Proficient with modern Unix/Linux operating systems/distributions</li>
<li>Experience with CI/CD, containers and/or virtualization, web servers, and databases</li>
<li>Experience in systems Observability</li>
</ul>
<p><strong>Bonus Points but not required:</strong></p>
<ul>
<li>Professional experience as a Site Reliability Engineer (SRE)</li>
<li>Knowledge of Networking engineering, with competencies in Layer 2 and Layer 3 protocols and vendor equipment: Cisco, Juniper, etc.</li>
<li>Experience building and maintaining large distributed systems</li>
<li>Experience managing internal and/or external customer requirements and expectations</li>
<li>Knowledge of Javascript (React and other frontend frameworks)</li>
</ul><div class="content-conclusion"><p><strong>What Makes Cloudflare Special?</strong></p>
<p><span style="font-weight: 400;">We’re not just a highly ambitious, large-scale technology company. We’re a highly ambitious, large-scale technology company with a soul. Fundamental to our mission to help build a better Internet is protecting the free and open Internet.</span></p>
<p><a href="https://blog.cloudflare.com/protecting-free- ... (truncated, view full listing at source)
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