Job description
The Microsoft Windows Security team is seeking a security engineer to enhance the security of Microsoft Windows products and devices, focusing on offensive security and security engineering. This hands-on role involves uncovering attack vectors, developing mitigations, and collaborating with product engineering teams. The team is responsible for securing Windows operating systems used globally, performing security reviews, penetration testing, and vulnerability research. The ideal candidate will have a strong background in native code and OS security fundamentals.
Requirements
- Master's Degree in Statistics, Mathematics, Computer Science, or related field AND 1+ year(s) experience in security or related field.
- Bachelor's Degree in Statistics, Mathematics, Computer Science, or related field AND 2+ years experience in security or related field.
- Ability to meet Microsoft, customer and/or government security screening requirements.
Responsibilities
- Build reusable agents and tools to improve the quality of security reviews.
- Review features and code for security defects and architectural risks.
- Act as the security contact for teams developing new products and technologies.
- Identify security vulnerabilities in key OS features and Microsoft devices.
- Collaborate with product teams to enhance security and articulate its business value.
Benefits
- Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.
H-1B filing history
Public USCIS petition and DOL LCA counts · latest USCIS FY2026, LCA FY2026
Filing entity: Microsoft Corporation
As of Aug 23, 2026
Initial approvals
503
FY2026
Approval rate
96.0%
FY2026
LCA certified
3,062
FY2026
Entry-level share
5.7%
FY2026
Initial approvals YoY
-64%
Trend
LCA certified YoY
-83%
Trend
Initial approvals by fiscal year
Approval rate by fiscal year
Continuing vs initial approvals
LCA certified positions by quarter
LCA certified positions by fiscal year
Based on public USCIS and DOL filings; not a sponsorship guarantee.
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