Red Team Engineer Intern (Summer 2025)

Posted 2 Days Ago
Be an Early Applicant
Lisbon
Hybrid
Internship
Cloud • Information Technology • Security • Software • Cybersecurity
Helping Build a Better Internet
The Role
As a Red Team intern, you will contribute to the Red Team by developing innovative strategies, collaborating with teams, and learning about adversary techniques and vulnerabilities. You'll work on projects that enhance Cloudflare's security posture, participate in skill development workshops, and present your work to the company.
Summary Generated by Built In

Available location: Lisbon, Portugal
About the role
A Red Team intern at Cloudflare will have the unique opportunity to participate in the development of an adversarial emulation program and capabilities. This program and capabilities sole purpose is to help gauge the effectiveness of Cloudflare's people, processes and technologies in use to drive continuous improvements into the security posture of Cloudflare by thinking and acting as an adversary would.
About the Internship Program
The ideal summer intern is passionate about making the Internet a better place. You will work with strong engineers. You will push code this summer that touches hundreds of millions of web surfers. We like to get things done, so we are looking for interns who are curious and can take on and complete projects. This is a great opportunity for engineers that want to learn to develop at Internet scale.
What would you do as a Cloudflare intern?

  • Ship and deliver projects over 12-16 weeks with autonomy and support.
  • Work cross-functionally with various teams.
  • Be assigned a mentor to guide you through the internship and help with career goals.
  • 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 (Cat or dog lovers, we've got communities for you! @Catflare @Doggos).
  • Present your project to the entire company at the end of the internship.
  • Get direct access to our executives and leadership team including our co-founders.
  • Learn and develop skills through our professional development workshops.
  • Write for our Cloudflare blog and be featured on Cloudflare.tv sessions.
  • Receive Cloudflare swag and free Cloudflare products!


You can check out our internship blogs to learn more about our program and hear directly from our past interns.
What You'll Do
You will be expected to be a contributing member of the Red Team within the Cloudflare security organization. Participation in activities around developing and driving comprehensive red team strategies, roadmaps, innovation, resourcing, and budgeting aligned with Cloudflare's Security goals and objectives. One of the key roles of the red team is to partner with Security, IT and Engineering leadership to set and execute on Red team goals and objectives. You will also have the opportunity to track industry trends and emerging technologies to ensure the program remains innovative and effective.
Examples of desirable skills, knowledge and experience

  • Effective communicator to all levels of the organization
  • Knowledge and desire to learn more about adversary techniques and tooling
  • Knowledge and desire to learn more about developing Red Team/Purple Team Scenarios
  • Knowledge and desire to learn more about vulnerabilities and configurations in the following areas:
    • MacOS/Linux(server and desktop)
    • Cloud Systems(GGP/Azure/AD)
    • Software Development and distribution
    • Web Applications/API's
  • Knowledge and experience in the physical security domain
  • Experience developing and complying with policies, standards, and processes.
  • Programming/Scripting experience will be helpful
  • Ability to switch rapidly and refocus between task

Top Skills

Programming
Scripting
The Company
HQ: San Francisco, CA
3,900 Employees
Hybrid Workplace
Year Founded: 2010

What We Do

Cloudflare, Inc. (NYSE: NET) is the leading connectivity cloud company on a mission to help build a better Internet. It empowers organizations to make their employees, applications and networks faster and more secure everywhere, while reducing complexity and cost. Cloudflare’s connectivity cloud delivers the most full-featured, unified platform of cloud-native products and developer tools, so any organization can gain the control they need to work, develop, and accelerate their business.

Powered by one of the world’s largest and most interconnected networks, Cloudflare blocks billions of threats online for its customers every day. It is trusted by millions of organizations – from the largest brands to entrepreneurs and small businesses to nonprofits, humanitarian groups, and governments across the globe.

Why Work With Us

Cloudflare employees come from all walks of life. We are mission-driven, and our team is energized by a collaborative, creative environment that celebrates our differences and fosters new ways to grow together.

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Cloudflare Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We are committed to developing a global team that is distributed with a flexible working approach. Doing this equitably and inclusively is essential to our success. Visit our careers site for more on 'How & Where We Work.'

Typical time on-site: Flexible
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