Networking Security Researcher - University 2017

Apply for this job
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 open source, with a clear focus on making the Web better. Working with us, you’ll help build amazing things like Gecko, Firefox, Rust, WebAssembly, video codecs and more. To be part of the team, we ask that you be awesome, intelligent, and proud to be moving the mission forward. Rock on.

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 somebody brilliant, 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 for the following roles in our Mountain View offices:


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 (

  • Protocols for HTTP Encryption and digital signing (

  • Equal rating (in cooperation with Mozilla's policy group)

  • Privacy-preserving video conferencing (

  • Control flow integrity (CFI) for Firefox.

  • 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 2017 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 to work on the Web as the platform and help create more opportunity and innovation for everyone 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?