Microsoft

Principal Security Researcher

United States, Washington, Redmond
Salary
$142,800 - $274,800 per year
Level
Principal
Work type
On-site · Washington

Not stated in the posting: visa.

Open. First seen 26 October 2026.

About the role

Overview The MDASH team is advancing how organizations discover and resolve vulnerabilities in source code. MDASH uses a multi-agent, multi-model system to analyze code, validate whether potential vulnerabilities are real and reachable, and provide developers with concrete fixes…

Read the full posting on apply.careers.microsoft.com

What this role asks for

Particular to this role

LLM · TypeScript

Rare in Microsoft's other 299 open postings.

Standard for security roles

Cybersecurity · Python

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 7 open in Security Research. 3 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 (6 of 7), Python (4 of 7), SIEM (4 of 7), SQL (4 of 7), Azure (3 of 7), C# (3 of 7), C++ (3 of 7)

OTHER ROLES ON THIS TEAM

From the team and dates on Microsoft's own job board.

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