Senior Security Research
Multiple Locations | Security Research | Nov 26, 2025 | Job number 200005601


Overview

Cloud Apps and Identity Research team (CAIR) is looking for a Senior Security Researcher with expertise in Identity based attacks and threats. The team focus on common authentication protocols and technologies both on-prem and on cloud (e.g. Kerberos, SAML, Oauth, LDAP) and Identity Providers' logs and internals (e.g. Entra ID, Okta). The job includes performing technical research to dissect identity attacks as observed from security research, incidents, threat landscape, customers reports and guide product and engineering teams to deliver optics, high-confidence detections and durable protection for customers.



Responsibilities

What You’ll Do: Join a team of curious, collaborative, and impact-driven security researchers. In this role, you’ll combine technical depth with creative problem-solving to protect millions of users and shape the future of identity security. 

  • Analyze and understand the internals of authentication/network protocols and be able to independently reproduce identity-based attacks for investigation, study and research purposes.
  • Become a subject matter expert of investigation, collection, analysis and forensic of identity logs, including deep understanding of current trends and landscape of identity-based attacks and exploits
  • Collaborate with multiple product and engineering teams to design the next iteration of sensors, implement detection ideas and validate their effectiveness using a data-driven approach.
  • Work together with the different engineering teams to deliver the prototype and code to support the research findings.
  • Provide cybersecurity expertise as needed during security escalations and incidents to help protect Microsoft and our customers.


Qualifications

What You’ll Bring

  • You have at least 7+ years of demonstrated security research experience.

  • Engineering skills with proficiency in developing C / Python solutions and prototypes.

  • Experience with leading a feature end to end (design, coding, testing, maintenance).

  • B.Sc. or M.Sc. in Computer Science, Software Engineering, or relevant practical experience (e.g., service in an elite technology unit in the IDF).

Preferred Qualifications
  • Offensive security research experience.

  • Industry-recognized author of security research papers, blogs, or books.

  • Excellent cross-group and interpersonal skills.
  • Demonstrated expertise in Identity Security.

 


This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.




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 assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.




Make
your
mark