Security Researcher Intern, Trust Engineering

Confirmed live in the last 24 hours

Roku

Cambridge, United Kingdom

Hybrid

Posted March 31, 2026

Job Description

Teamwork makes the stream work.

Roku is changing how the world watches TV

Roku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the content they love, enable content publishers to build and monetize large audiences, and provide advertisers unique capabilities to engage consumers.

From your first day at Roku, you'll make a valuable - and valued - contribution. We're a fast-growing public company where no one is a bystander. We offer you the opportunity to delight millions of TV streamers around the world while gaining meaningful experience across a variety of disciplines.

About this area

At Roku, our Trust Engineering team is a close-knit group of passionate professionals. Our mission? To protect our customers, partners, devices, services, infrastructure, and data. We work collaboratively, sharing insights and expertise to stay ahead of the curve. Join us, and you’ll be part of a dynamic team that thrives on challenges and celebrates victories together.

About the role

Join Roku’s Trust Engineering team as a Security Researcher Intern, where your passion for security and technology will help drive our success. We offer a paid 12-week internship, starting in Summer 2026.

As a Security Researcher Intern, you’ll be assigned a scoped project that strengthens our security posture. You will improve our firmware security tooling by enhancing CodeQL‑based static analysis, building coverage‑guided QEMU fuzzing harnesses, and owning an end‑to‑end research‑driven engineering project.