Opportunity type
Internship
Cause areas
Information security
International security & cooperation
Routes to impact
Skill-building & building career capital
Direct high impact on an important cause
Testing your fit for a certain career path
Skill set
Software engineering
Information security
Collaborative problem-solving
Location
Lisbon, Portugal
Description
Cloudflare is seeking Security Engineer Interns for Summer 2026 in Lisbon, Portugal, offering hands-on experience defending one of the world’s largest networks.
- Work on security-focused projects over 12-16 weeks, collaborating with experienced engineers and cross-functional teams.
- Gain mentorship, present your work company-wide, and contribute to Cloudflare’s blog and media.
- Build your professional network through company events, socials, and leadership access.
- Must be local to Lisbon (no relocation provided) and able to work in-office 3-5 days a week; visa sponsorship is not provided, and candidates must have permission to work in Portugal.
This text was generated by AI. If you notice any inconsistencies, please let us know using this form
Join 60k subscribers and sign up for the EA Newsletter, a monthly email with the latest ideas and opportunities