Senior Security Researcher – Offensive Security
Microsoft Corporation
Multiple Locations, Multiple Locations
Job posting number: #7308498 (Ref:ms-1823511)
Posted: May 18, 2025
Job Description
Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate. Our culture is centered on embracing a growth mindset, a theme of inspiring excellence, and encouraging teams and leaders to bring their best each day. In doing so, we create life-changing innovations that impact billions of lives around the world.
We’re looking for a Senior Security Researcher to join our growing Purple Team within Microsoft’s Threat Protection organization. In this role, you’ll design and execute adversary simulations, collaborate with detection engineers, and help drive improvements across Microsoft Defender and Sentinel. You’ll work at the intersection of red and blue teaming, using your offensive expertise to proactively identify detection gaps and strengthen our security posture.
Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.
