security
Posted 3 hours agoSecurity Engineer Intern (Fall 2026)
at LazyApply
On-site
Responsibilities
- Ship and deliver security-focused projects over 12-16 weeks with autonomy and support.
- Build your network across the company through our various in and out of office socials, networking programs, Employee Resource Group (ERG) programs, and Activity Groups.
- Write for our Cloudflare blog (e.g., documenting a new security tool or a vulnerability research finding) and be featured on Cloudflare.tv sessions.
Requirements
- As a result, they see significant improvement in performance and a decrease in spam and other attacks.
- 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.
- Technologies we use to defend the Internet include Go, Rust, Python, TypeScript and C/C++.
- This is a unique opportunity for engineers who want to learn how to defend systems at a scale that few other companies can offer.
- Education: Currently pursuing a degree in Computer Science, Cybersecurity, Computer Engineering, or a related technical field.
- Security Fundamentals: A solid understanding of the OWASP Top 10, common attack vectors (XSS, SQLi, CSRF), and how to mitigate them. AI
- Experience: Familiarity with using AI tools to streamline tasks and increase efficiency.
- Ability to commit to a minimum 12 week summer internship.
- experience with our developer platform using Cloudflare for Students. Please note
- Fundamental to our mission to help build a better Internet is protecting the free and open Internet.
- Please note that applicants who progress to the offer stage of the interview process may be asked to attend an in-person interview within one of the Cloudflare Offices or Cloudflare Hubs. More details about this will be available at that stage of the interview process.
Benefits
- Bonus: Demonstrated passion for security & software development, such as personal projects, open-source contributions, or
- All qualified applicants will be considered for employment without regard to their, or any other person's, perceived or actual race, color, religion, sex, gender, gender identity, gender expression, sexual orientation, national origin, ancestry, citizenship, age, physical or mental disability, medical condition, family care status, or any other basis protected by law.
Contact
- Examples of reasonable accommodations include, but are not limited to, changing the application process, providing documents in an alternate format, using a sign language interpreter, or using specialized equipment. If you require a reasonable accommodation to apply for a job, please contact us via e-mail at hr@cloudflare.com or via mail at 101 Townsend St. San Francisco, CA 94107.
Additional details
- 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.
- 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.
- Security is at the heart of Cloudflare’s mission to help build a better Internet.
- Anytime we push code, it automatically affects the millions of Internet properties (powering websites, remote teams, APIs, mobile apps, etc.) running on our global network.
- Cloudflare's network is one of the largest in the world, spanning over 330 cities in more than 125 countries, and operating within 50 milliseconds of 95% of the Internet-connected population.
- Security Engineering spans across the Cyber Defense & Engineering and CloudforceOne Threat Intelligence & Research teams within the Security group under our Chief Security Officer.