Principal Security Researcher
- Salary
- $142,800 - $274,800 per year
- Level
- Principal
- Work type
- On-site · Washington
Not stated in the posting: visa.
Open. First seen 3 November 2026.
About the role
Overview Microsoft Security Research brings together deep security expertise, threat intelligence, and Microsoft’s unique security telemetry to understand the evolving threat landscape and improve protection for customers. We are looking for a Principal Security Researcher to…
What this role asks for
Particular to this role
LLM
Rare in Microsoft's other 299 open postings.
Standard for security roles
Cybersecurity
Common in security postings at any company.
Compared with Microsoft's other open jobs.
The team: Security Research HIRES STEADILY
This role is one of 27 open in Security Research. 16 were posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Cybersecurity (20 of 27), Python (12 of 27), SQL (8 of 27), Azure (7 of 27), C# (7 of 27), Penetration Testing (7 of 27), SIEM (7 of 27)
OTHER ROLES ON THIS TEAM
- Senior Security Engineer - AI Experiences, Microsoft Edge posted Nov 3
- Senior Security Researcher posted Nov 3
- Security Research Internship Opportunities posted Oct 29
- Security Research INTERN posted Oct 23
- Senior AI Security Researchers posted Oct 23
- Senior Security Delivery Expert posted Oct 22
- Security Researcher II and Senior Security Researcher (Multiple Positions) posted Oct 21
- Security Researcher posted Oct 15
- AI Security Researcher Expert posted Oct 15
- Security Researcher posted Oct 15
- Principal Threat Intelligence Analyst - CTJ - Top Secret posted Oct 13
- Senior Security Researcher posted Oct 13
- Senior & Principal Security Researcher posted Oct 9
- AI Security Engineer posted Oct 8
- Security Research - MSTIC Threat Intelligence posted Oct 8
- Security Research Intern posted Oct 4
- Senior Security Research Engineer posted Oct 2
- Security Researcher posted Oct 2
- Security Research Engineer - Project Perception posted Oct 2
- Senior Security Researcher posted Sep 30
- Senior Security Engineer posted Sep 23
- Senior Security Researcher posted Sep 15
- Principal Security Research Manager posted Aug 25
- Security Researcher II posted Aug 11
- Security Researcher II /Senior Security Researcher - Microsoft Defender (Multiple Roles) posted Aug 10
- Senior Applied Threat Intelligence Analyst - Microsoft Security Threat Response posted Jul 31
From the team and dates on Microsoft's own job board.
Other openings for this role
2 postings for this role in United States, Washington, Redmond since 26 October 2026, 1 still open. None has been taken down and posted again.
- 3 November 2026 – open (this posting)
- 26 October 2026 – closed 3 November 2026
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