New 
Senior Security Researcher
 Microsoft | |
 United States, Texas, Irving | |
| 7000 State Highway 161 (Show on map) | |
 Jul 09, 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 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. Weareseekingan experiencedSeniorSecurity Researcherwith the right blend of creativity, tenacity, data savviness, and technical skills to help us protect the hundreds of millions of customers that rely on our email service every day. In this role, you'll have the flexibility to incubate and test new ideas and technologies into prototypes, and for that reason a background in email security and programming experience are recommended. You will also proactively research, investigate, and mitigate the latest spam and phishing campaigns; conduct deep research and experimentation on new durable protection strategies; andcollaborate witha diverse team ofdata scientists, researchers,engineers,and product managers to protect a global customer base. 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.
ResponsibilitiesPrototyping new approachesto improve detections, create or augment intelligence workflows, and/or streamline security operations; to include experimentation, testing, and deploying your own POCs while also working cross-functionally to support team-wide and organization-wide innovation projects. Responding to escalations to resolve detection effectiveness issues (misclassified spam/phish and false positives) Authoring rules and creating new ML features to thwart evolving email-based attacks. Conducting deep research on attacker campaigns and techniques to support durable detection investments and improve customer experience. Engaging and collaborating with diverse partner teams to drive great customer experiences and ensure holistic protection across the Microsoft Security stack. | |