Penetration Tester: Internship Opportunities

Microsoft
Redmond, Washington, United StatesPosted Sep 3, 2026

About the role

Overview

Come build community, explore your passions and do your best work at Microsoft with thousands of University interns from every corner of the world. This opportunity will allow you to bring your aspirations, talent, potential—and excitement for the journey ahead. The Microsoft Offensive Research & Security Engineering (MORSE) team is looking for a learn-it-all engineer that will help secure Microsoft products and devices. The MORSE team is responsible for securing Microsoft's operating systems, including Windows, cloud computing platforms, and virtualization technologies. These solutions support the daily needs of over one billion customers worldwide. This team performs security design reviews, code reviews, and vulnerability research on key features of Windows and Azure to make sure they meet the highest possible security standards. In this role, you will help engineering teams secure the operating systems built at Microsoft. The candidate should demonstrate experience with native code (C/C++), vulnerability research (code audit, writing fuzzers, finding creative ways to break assumptions), a clear understanding of OS security fundamentals, solid computer science skills, and a passion for keeping Microsoft customers safe. As a Penetration Testing Intern, under supervision, you will identify problems and vulnerabilities through application of engineering to dynamically penetrate software, hardware or human systems. You will work on efforts that results in security bug discovery, exploitation and suggested security controls and mitigations in response to security flaws. You will develop and implement pen testing strategies and apply your expertise to engineer solutions. You will help influence mitigations for current and future products and solutions. At Microsoft, Interns work on real-world projects in collaboration with teams across the world, while having fun along the way. You’ll be empowered to build community, explore your passions and achieve your g

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