Senior Windows Low-Level C++ Engineer for Endpoint Security

SentinelOne; Madrid; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

RSUs

ESPP

Competitive leave benefits

Gender-neutral parental leave

Medical and insurance benefits

Pension

Employee Assistance Program (EAP)

Global home office allowance

Home office, internet and mobile phone

Flexible remote role

Job summary

SentinelOne is seeking a Staff Windows Low Level C++ Engineer for its Endpoint security platform. You will design and develop advanced security features across user-mode and kernel-mode, focusing on anti-tampering, network sensors, and agent infrastructure.

The role is 100% remote within Spain, with EU work eligibility required and relocation support to the Czech Republic if applicable. You will work on Windows kernel and user-mode components, collaborating with distributed teams to deliver

Qualifications

• 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 understanding of Windows OS design and internals, kernel-mode development, debugging tools
• Production-grade software experience with large-scale deployment
• Strong communication and time-zone coordination
• Interest in security-oriented development and malware analysis advantageous

Responsibilities

• Design and develop features across user-mode and kernel-mode in C++ (23)
• Research Windows internals and fix complex performance issues at scale
• Rewrite or reimplement existing features for security-focused endpoints
• Collaborate with distributed teams to deliver high-impact security capabilities for SentinelOne's Endpoint Protection

Job description

SentinelOne is seeking a Staff Windows Low Level C++ Engineer for its Endpoint security platform. You will design and develop advanced security features across user-mode and kernel-mode, focusing on anti-tampering, network sensors, and agent infrastructure.

The role is 100% remote within Spain, with EU work eligibility required and relocation support to the Czech Republic if applicable. You will work on Windows kernel and user-mode components, collaborating with distributed teams to deliver