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Staff Windows Low Level C++ Engineer - Endpoint security

SentinelOne· Platform group
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Hybrid (France)Full-timePosted 5mo ago

About the role

Design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, working across user-mode and kernel-mode to deliver high-impact security capabilities at scale.

Responsibilities

  • Design, develop primarily in modern C++ (23) across user-mode and kernel-mode environments
  • Build and optimize mission-critical components including anti-tampering protections, network sensors, and agent infrastructure
  • Research Windows internals and debug deep system issues
  • Collaborate with distributed engineering teams to deliver security capabilities protecting millions of devices
  • Rewrite and reimplement existing features from scratch and tackle performance/scale challenges
  • Share knowledge within Platform teams and the broader Windows group
  • Work on Windows agent’s anti-tampering, network sensors, device control, and other kernel-side features
  • Improve installers, logging, services, and communication interfaces to enhance agent quality, performance & stability

Qualifications

  • Multiple years of experience as a software engineer in low-level programming with modern C++ (or C with willingness to learn modern C++)
  • Hands-on experience and in-depth understanding of Windows OS design & internals, Windows low-level development, debugging Windows applications with standard tools
  • Experience on a production-grade product with wide-scale deployment
  • Strong communication skills and ability to work independently and with cross-time-zone teams
  • Attention to detail and high coding standards
  • Advantage: experience with Windows Kernel and Drivers development, security-oriented development, reversing or malware analysis

Skills

Required:Modern C++Windows OS internalsDebugging/profiling tools
Nice to have:Kernel-mode development

Benefits

  • Restricted Stock Units (RSUs)
  • Employee Stock Purchase Plan (ESPP)
  • Competitive leave benefits
  • Gender-neutral parental leave
  • Medical and insurance benefits
  • Disability insurance
  • Employee Assistance Program (EAP)
  • Global home office allowance
  • Mobile phone reimbursement
  • Work-from-home allowance
Last updated Oct 22, 2026. Interested? Apply on the company site.
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About SentinelOne

AI-Powered Enterprise Cybersecurity Platform

SentinelOne unifies AI-powered endpoint, cloud, identity, and data protection—enhanced by our Security Data Lake for seamless and efficient cybersecurity.

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