Networking and Security Intern

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Mountain View

Mozilla is hiring Software Engineering Interns into our technical teams throughout the world. Our headquarters are based in the Bay Area, but we also have opportunities at our offices in Portland, Vancouver, Toronto, London, Paris, and Berlin!

We are engineers, designers, makers, and problem solvers. We work in the fishbowl known as the open source community, with a clear focus on making the Web better. Working with us, you’ll help build interesting new features and improvements in Firefox. To be part of the team, we ask that you be technically-curious, a capable and always-interested-in-learning-more programmer, and excited to be moving the Mozilla mission forward.

Mozilla isn’t just a great place to work, it’s an experience you’ll carry with you throughout your career. As part of our internship program, you’ll have the opportunity to be mentored one-on-one by a talented and experienced developer, to impact the projects you’ll collaborate on, and to never be bored. Ever. From the passionate people you’ll learn from, to the chances you’ll have to make the Web a better place, your time with Mozilla will be unlike any other.

Below is a small snapshot of the work we do to give you an idea about some of the big things you could do at Mozilla.

We have 2 positions open in our Mountain View office for the following role:

Networking/Security Researcher

Firefox Advanced Technology is looking for PhD (or motivated MS) level interns. Previous interns have worked on WebRTC, privacy-preserving advertising, and analysis of Transport Layer Security (TLS).

Our group focuses on developing advanced technology and standards in the following areas:

  • Networking
  • Security
  • Voice/Video (WebRTC, DRM)
  • Privacy

Current projects we're working on include:

  • TLS 1.3: The next version of the security protocol that powers the Web (
  • QUIC
  • DNS over HTTPS
  • Privacy-preserving video conferencing (
  • Privacy-preser
  • Internet measurement using the browser as a platform (with a focus on privacy)

  Are you a good fit for this position? Ask yourself:

  • Do you care about making the Internet a better place?
  • Do you have a strong background in security and privacy?
  • Do you have experience in C and C++
  • Do you want to get practical experience that goes with your academic experience?

Basic Qualifications:

  • Currently enrolled in a Bachelor’s, Master’s or PhD degree program in Computer Science, Computer Engineering, or related technical discipline with a focus on software development, with graduation dates starting December 2018 and onward
  • Or, recent graduate from a Coding Academy (within last 6 months)

We collaborate closely with academic research groups. Recent internships have resulted in papers in Real World Cryptography, IEEE Oakland, and ACM CCS. This could be you.

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. Join us and become part of our mission to promote openness, innovation and opportunity online.

Mozilla is committed to Equal Employment Opportunity throughout our recruiting and hiring process and is dedicated to increasing diversity in our workplace.

Want to see what Interns were working on this past summer?

2017 Intern Presentations