Microsoft · 3 days ago
Security Researcher II
Redmond, WA
Full-time
Hybrid
Entry, Mid Level
$101K/yr - $199K/yr
2+ years expMicrosoft is a leading technology company committed to empowering every person and organization. They are seeking a Security Researcher II to investigate cybersecurity attacks, propose machine learning solutions, and collaborate with engineering teams to enhance security measures.
Agentic AIApplication Performance ManagementArtificial Intelligence (AI)Business DevelopmentDevOpsInformation ServicesInformation TechnologyManagement Information SystemsNetwork SecuritySoftware
Responsibilities
Investigate attacks through threat hunting on top of product telemetry - identifying protection gaps and opportunities for systems to better protect our customers
Experiment with and apply large language models and agentic systems to protect our customers and improve our internal systems
Propose, design, experiment, and implement machine learning and automation designs to protect our customers
Collaborate closely with engineering and product teams to design security sensors, validate protection concepts, and measure effectiveness using data-driven methodologies
Qualification
Required
Master's Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 1+ year(s) experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection
OR Bachelor's Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 2+ years experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection
OR equivalent experience
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role
Microsoft Cloud Background Check: This position will be required to pass the Microsoft background and Microsoft Cloud background check upon hire/transfer and every two years thereafter
Preferred
1+ years experience developing systems with Large Language Models or Machine Learning (eg Logistic Regression, LightGBM, XGBoost, PyTorch, BERT, or similar)
1+ years of experience with large-scale data, utilizing either distributed data processing frameworks (e.g., Apache Spark, Hadoop), real-time data streaming platforms (e.g., Kafka), or query languages like SQL and KQL
1 + Years of experience in Software development
Company
Microsoft
Microsoft is a software corporation that develops, manufactures, licenses, supports, and sells a range of software products and services.
10001+ employees
H1B Sponsorship
Microsoft has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
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Trends of Total Sponsorships
2025 (9192)
2024 (9343)
2023 (7677)
2022 (11403)
2021 (7210)
2020 (7852)
Funding
Current Stage
Public CompanyTotal Funding
$1MKey Investors
Technology Venture Investors
2022-12-09Post Ipo Equity
1986-03-13IPO
1981-09-01Series Unknown· $1M
Leadership Team
Satya Nadella
Chairman and CEO
Vukani Mngxati
Chief Executive Officer - Microsft South Africa
Recent News
2026-01-16
Morningstar.com
2026-01-16
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