New 
Senior Security Researcher
 Microsoft | |
 United States, Texas, Irving | |
| 7000 State Highway 161 (Show on map) | |
 Aug 23, 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. 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. In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.
ResponsibilitiesConducting ResearchLead and support in-depth research into critical security domains including adversary tracking, current attack methodologies, competitor technologies, and academic literature.Collaborate cross-functionally across disciplines and teams to design proactive security solutions that evolve into engineering initiatives.Investigate business-critical security incidents, analyzing root causes, attacker motivations, and potential impacts.Advocate for research-driven priorities and escalate findings to ensure timely mitigation.Incorporate feedback and outcomes into future research cycles, demonstrating sound judgment in selecting impactful projects.Maintain a deep understanding of Microsoft's technology stack and its implications for attacker opportunities.Solution GenerationIdentify and prioritize complex security threats that negatively affect customers.Develop and promote effective mitigations, guidance, and remediation strategies.Drive adoption of security solutions and automate mitigation processes where applicable.OrchestrationFacilitate alignment and collaboration across internal teams to clarify priorities and resolve dependencies.Communicate key security issues to stakeholders and senior leadership.Represent Microsoft in internal and external security collaborations.Safeguard sensitive tools, techniques, and findings, while evaluating and enhancing operational security through advanced techniques such as red-on-red penetration testing.Mentor others in mastering security evaluation techniques.Industry LeadershipApply subject matter expertise to identify emerging security issues, tools, and mitigation strategies.Stay current with evolving threats and technologies, sharing insights through coaching, conferences, and publications.Model ethical behavior and informed risk-taking, while mentoring peers and junior researchers. Embody our culture and values | |