New 
Senior Security Researcher
 Microsoft | |
 United States, Washington, Redmond | |
 Aug 06, 2025 | |
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OverviewSecurity 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 research team's core mission is protecting Microsoft 365 users across first-party and third-party identities, applications, and data via cross-category, tightly integrated threat protection for sec ops and sec-admins. If you believe that cyber-attacks can happen without ever dropping an executable on disk and that OAuth token can do more damage than Powershell, this role may be for you! This Hybrid Position is located at our Microsoft office in Redmond, Washington. Relocation support will be provided, and successful candidates will need to relocate or reside within 50 miles of the field location. 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.
ResponsibilitiesAs a Senior Security Researcher, you will: Perform attacker tradecraft research and threat landscape investigation across cloud-based attacks spanning devices, identities, applications, and data.Partner with engineers and data scientists in a geographically distributed team to deliver innovative new product capabilities.Threat hunting to discover real world advanced attacks together with designing and implementing automated detection and hunting analytics combining alerts and signals across Microsoft Defender and Microsoft Sentinel security products.Contribute to active engagement with the security ecosystem through papers, presentations, and blogs.Provide subject matter expertise to customers based on industry attack trends and product capabilities.Cross-functional collaboration and interpersonal skills, with the ability to articulate business needs and advocate for product improvements. | |