Technical Support Engineer Intern (Summer 2026)

About Us

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.

At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.

Available location: Lisbon, Portugal

This role requires you to be able to come into our Lisbon office 3x a week.

About the Department

The Customer Support Team solves complicated problems and answers technical inquiries via phone, email, chat, and social media. Whether it is a Wordpress blogger using our services for free or a global Enterprise business with petabytes of web traffic, our team is always eager to assist. We are the eyes and ears of Cloudflare, acting as the real-time voice of the customer to help communicate their needs and real-world use cases back to the rest of the company - to help build a better service and future product development.

What You’ll do

Do you love solving complex technical problems and interacting with people? As a Technical Support Engineer Intern at Cloudflare, you’ll work directly with customers and cross-functional teams to tackle a variety of technical challenges. You’ll gain hands-on experience with our products, learn the inner workings of Cloudflare’s offerings, and deepen your understanding of internet technologies. This role also provides opportunities to develop valuable technical and professional skills, as well as job shadowing experiences to explore different roles within the company. Join us to enhance your skill set while making a real impact!

Responsibilities

Collaborate with senior engineers to analyze and troubleshoot customer issues

Track support requests using our ticketing system

Participate in team meetings to discuss and share feedback

Help create and update technical documentation and run books

Provide feedback on our product and potential improvements based on customer interactions

Support the team in testing new releases and reporting bugs

Perform other duties/projects as assigned

Skills and Requirements

Currently pursuing an undergraduate degree in a Computer Sciences or related field

Self-driven and capable of learning new technologies/systems/features with some guidance

Fundamental understanding of how the Internet works (OSI Model); Cloudflare has a variety of products that presently impact Layers 3, 4 & 7

Experience using Linux

Experience in command line and tools, including curl, dig, traceroute, openssl and git

Experience writing scripts in Bash, Python, JavaScript, or other scripting languages

Awareness of what DNS, SSL/TLS and HTTP is and how these function

Awareness of or experience installing and configuring web s