Staff Windows Low Level C++ Engineer - Endpoint security

Sentinel Laboratories Ltd

Job Overview

Location

Poland

Job Type

Full-time

Full Job Description

📋 Description

• As a Windows Low Level C++ Engineer in Endpoint Security, you will design and develop advanced security features for SentinelOne’s Windows endpoint protection platform, operating across both user-mode and kernel-mode environments to protect millions of devices worldwide.
• You will build and optimize mission-critical components including anti-tampering protections, network sensors, device control, and agent infrastructure while solving complex performance and stability challenges at massive scale, handling hundreds of billions of events daily.
• You will collaborate with distributed engineering teams to research Windows internals, debug deep system issues, and deliver high-impact security capabilities that influence the security of tens of millions of Windows devices across enterprise and government customers globally.
• You will have the opportunity to continuously enrich your knowledge in modern C++ (23), Windows OS internals, kernel development, and endpoint protection ecosystems while sharing knowledge across Platform teams and the broader Windows group in a flexible, 100% remote role based in Poland.

🎯 Requirements

• Multiple years of experience as a software engineer in low-level programming using modern C++ (or C with willingness to learn modern C++)
• Hands-on experience and in-depth understanding of Windows OS design and internals, including low-level development, debugging, and profiling tools
• Previous experience working on a production-grade product with wide-scale deployment
• Great communication skills and ability to work independently and collaboratively across time zones with problem-solving and out-of-the-box thinking
• Attention to detail and high coding standards
• Advantage: Experience with Windows Kernel and Windows Drivers development, security-oriented development, reversing, or malware analysis

🏖️ Benefits

• Restricted Stock Units (RSUs) and Employee Stock Purchase Plan (ESPP)
• Competitive leave benefits and gender-neutral parental leave
• Medical and insurance benefits, pension scheme, and Employee Assistance Program (EAP)
• Global home office allowance and mobile phone allowance
• Wellness benefit
• Optional membership in major coworking chains and relocation assistance to the Czech Republic for eligible candidates

Skills & Technologies

Senior

Remote

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Sentinel Laboratories Ltd

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About Sentinel Laboratories Ltd

UK-based manufacturer of infection-control and hygiene products for healthcare and industrial markets. Offers spill kits, disinfectants, detergents, surface wipes, and PPE for blood-borne pathogens, C. difficile, TB, and COVID-19. Provides training resources and regulatory support for infection-prevention protocols in hospitals, clinics, dental practices, and laboratories worldwide.

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