
Job Overview
Location
Spain
Job Type
Full-time
Category
Software Engineering
Date Posted
May 19, 2026
Full Job Description
đź“‹ Description
- • As a Senior Windows Identity Detection Engineer at Sentinel Laboratories Ltd (SentinelOne), you will research and detect emerging identity threats by developing behavior-based detection methods to protect millions of Windows endpoints globally. Your work will directly strengthen the security posture of enterprises by identifying and preventing sophisticated attacks such as Pass-the-Hash, Silver Ticket, and MFA bypass.
- • Day to day, you will research attack techniques, design behavior-based detection methods, develop proof-of-concepts (PoCs), and implement them in the product using C++23 and Lua scripting. You will also develop and use internal research tools to discover new ways to detect and prevent identity-based threats, with end-to-end ownership from hypothesis to production deployment.
- • You will join a mission-driven team of builders, problem-solvers, and innovators at SentinelOne, a company at the intersection of AI and security pioneering an AI-native platform that unifies protection across endpoint, cloud, identity, data, and AI systems. The team is committed to shaping the future of security through autonomous detection and response with clarity and speed.
- • In this role, you will expand your expertise beyond Windows security into the growing field of identity security, significantly influencing the buildout of a new business line from the ground up. You will gain deep experience in threat research, low-level Windows internals, kernel concepts, and AI-enhanced detection engineering while contributing to real-world impact on global enterprise security.
🎯 Requirements
- • 3+ years of experience in malware analysis (statically and dynamically)
- • 3+ years of experience with C++; knowledge of Lua or similar scripting language is an advantage
- • Excellent understanding of Windows Internals, including core system components such as processes, threads, and virtual memory
- • Experience with analysis tools such as IDA, WinDBG, and SysInternals
- • Experience with identity-based attacks (Pass-the-Hash, Silver Ticket, MFA bypass) is a big plus
- • Kernel development experience or understanding of existing AV internals is an advantage
🏖️ Benefits
- • Restricted Stock Units (RSUs) and Employee Stock Purchase Plan (ESPP)
- • Competitive leave benefits and gender-neutral parental leave
- • Medical and insurance benefits, pension, and Employee Assistance Program (EAP)
- • Global home office allowance, plus monthly home office, internet, and mobile phone allowances
- • Meal allowance and transportation allowance
- • Optional membership in major coworking chains and relocation assistance available for candidates willing to relocate to the Czech Republic
Skills & Technologies
C++
Senior
Remote
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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