
About Cloudflare
Empowering a secure and fast Internet for all
Key Highlights
- Public company (NYSE: NET) with a $4.4B valuation
- Over 3 million customers including Shopify & Discord
- Headquartered in San Francisco with a global presence
- $1B+ raised from investors like Franklin Templeton & Pelion Venture Partners
Cloudflare, Inc. is a leading web infrastructure and security company based in San Francisco, California. With over 3 million customers, including major brands like Shopify, Discord, and Udemy, Cloudflare offers a suite of services such as content delivery network (CDN), DDoS mitigation, and Interne...
π Benefits
Cloudflare offers competitive salaries, equity options, unlimited PTO, and a flexible remote work policy. Employees also benefit from a learning and d...
π Culture
Cloudflare fosters a culture of transparency and innovation, encouraging employees to take ownership of their projects. The company values diversity a...

Security Engineer β’ Intern
Cloudflare β’ Lisbon - On-Site
Overview
Cloudflare is hiring a Security Engineer Intern for Summer 2026 to support their mission of building a better Internet. You'll work in a collaborative environment focused on security and performance. This internship is ideal for individuals eager to learn and grow in the cybersecurity field.
Job Description
Who you are
You are a curious and empathetic individual who is committed to developing yourself and learning new skills. As a Security Engineer Intern, you are eager to dive into the world of cybersecurity and understand the intricacies of protecting Internet applications. You thrive in collaborative environments and are excited about the opportunity to contribute to a diverse and inclusive team. You may not have extensive experience yet, but your passion for technology and security drives you to learn and grow.
What you'll do
As a Security Engineer Intern at Cloudflare, you will assist the security team in various tasks that contribute to the overall mission of building a better Internet. You will have the opportunity to learn about the security measures that protect millions of websites and applications. Your responsibilities may include supporting the team in monitoring network traffic, analyzing security incidents, and helping to implement security protocols. You will work closely with experienced engineers who will guide you through the complexities of cybersecurity and provide mentorship throughout your internship.
What we offer
Cloudflare offers a supportive environment where you can grow your skills and knowledge in cybersecurity. You will have the chance to work with cutting-edge technology and be part of a team that is dedicated to making the Internet a safer place. The internship will provide you with valuable experience and insights into the field of security engineering, setting you up for future success in your career. We encourage you to apply even if your experience doesn't match every requirement, as we value potential and a willingness to learn.
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