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Senior Security Engineer - Edge Browser

United States, Redmond 119800.00 - 234700.00 USD / Year · Job Posted January 29, 2026
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Job Description

The Microsoft Edge Browser Security Team is responsible for securing Edge client code. Our work broadly fits into three distinct categories: Engagement, Proactive, and Reactive security. We work closely with developers, engaging with them to ensure principals such as defence in depth and secure by default are architected into everything we do. Additionally, we perform proactive vulnerability research and analysis at scale to highlight high risk attack surfaces and identify security bugs before hackers do. Finally, we ensure that our reactive response flows are monitored and maintained, tracking reports from external finders, and working with threat intelligence teams to stop active threats to our customers. Throughout all of this, you will work with our industry partners to contribute security improvements to the Chromium project to make the web safer for everyone.

Job Responsibility

  • Analyse complex issues using multiple data sources to develop insights and identify security problems and threats
  • Identify and perform research on critical security areas, collaborate across teams, design preventive solutions, and escalate impactful findings appropriately
  • Help plan and execute strategies for growing Edge’s capabilities
  • Drive initiatives to identify and mitigate security risk for our customers
  • Oversee our security response work, acting on reports from vulnerability researchers
  • Monitor and alert the security health of Edge and plan remedial actions
  • Collaborate with other security teams across Microsoft to design and develop new security mitigations and defences
  • Work closely with our partners in the Chromium community to improve browser security
  • Leverage curiosity and learn new skills to operate in a fast-paced and ever-changing environment
  • Interact with the external security community, researchers and security conference presenters

Requirements

  • Doctorate in Statistics, Mathematics, Computer Science, Computer Security, or related field
  • Master's Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 3+ years experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection
  • Bachelor's Degree in Statistics, Mathematics, Computer Science, Computer Security, or related field AND 4+ years experience in software development lifecycle, large-scale computing, threat analysis or modeling, cybersecurity, vulnerability research, and/or anomaly detection
  • equivalent experience
  • Experience with relevant security research along with relevant CVEs (if available) ideally in browser vulnerability discovery
  • Experience with writing basic exploits for native or web applications
  • Development and deployment of fuzz testing and/or static analysis software

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