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Security Researcher

Microsoft· Security Research
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Hybrid (Hyderabad, Telangana), Hybrid (Bangalore, Karnataka)on-sitePosted 1w ago

About the role

Threat Researcher within Microsoft Defender Experts (DEX) Operations. Investigates suspicious activity, conducts threat hunts across endpoint, identity, email, cloud, and other telemetry; analyzes complex data to produce actionable insights; collaborates with researchers, data scientists, and engineers to improve detections and product outcomes; produces clear findings for technical and non-technical stakeholders.

Responsibilities

  • Conduct proactive threat hunts across endpoint, identity, email, cloud, and other relevant security telemetry to identify indicators of compromise and previously unseen attacker behavior.
  • Investigate security alerts and suspicious activity, perform root-cause analysis, and develop a clear understanding of attack scope, sequence, impact, and recommended response.
  • Analyze and correlate large, complex datasets to produce timely, context-rich findings and actionable insights for customers and internal partners.
  • Apply knowledge of attacker tradecraft, identity systems, authentication and authorization protocols, operating systems, and cloud environments to strengthen investigations and customer defenses.
  • Develop and improve high-fidelity hunting queries, detection logic, custom alerts, investigation methods, and response guidance.
  • Partner with security researchers, threat intelligence analysts, data scientists, and engineers to convert frontline findings into durable detection and product improvements.
  • Document technical findings and communicate complex investigations clearly to both technical and non-technical stakeholders.

Qualifications

  • Global mission: Help defend enterprise customers around the world against sophisticated and fast-moving threats.
  • Cutting-edge work: Investigate emerging adversary behavior and solve security problems that do not yet have established playbooks.
  • Latest technology: Work with rich Microsoft security telemetry, modern security analytics, threat intelligence, cloud-scale data, automation, and evolving AI-assisted capabilities.
  • End-to-end impact: Connect live customer investigations to better hunting, stronger detections, improved operational workflows, and product feedback.
  • Expert community: Collaborate with specialists across Microsoft Security and learn from diverse perspectives in research, operations, engineering, data science, and incident response.
  • Continuous challenge: Expand your skills across platforms, attack surfaces, and adversary techniques while making decisions in ambiguous, high-impact situations.
  • Bachelor's or master's degree in computer science, cybersecurity, engineering, or a related technical field, or equivalent practical experience.
  • 3+ years of cybersecurity experience in security operations, threat hunting, incident response, digital forensics, malware analysis, threat intelligence, penetration testing, or red teaming.
  • Hands-on experience investigating security incidents and hunting across large security datasets using SIEM, EDR/XDR, or comparable security platforms.
  • Coding or scripting experience with Python, KQL, SQL, regular expressions, PowerShell, or similar languages.
  • Working knowledge of threat analysis models and frameworks such as the Cyber Kill Chain and MITRE ATT&CK.
  • Understanding of common enterprise attack surfaces, including endpoints, identity, email, cloud services, networks, and authentication systems.
  • Ability to analyze complex technical evidence, form and test hypotheses, and translate findings into clear actions.
  • Strong written and verbal communication skills in English, with the ability to brief investigations and collaborate across teams.

Skills

Required:Threat huntingIncident investigationData analysisTelemetry and security platformsScripting languages

Benefits

  • Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need accommodations during the application process, read more about requesting accommodations.
Last updated Oct 23, 2026. Interested? Apply on the company site.

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