Senior Software Engineer - C++ Lowlevel - Windows Security

SentinelOne is defining the future of cybersecurity through our XDR platform that automatically prevents, detects, and responds to threats in real-time. Singularity XDR ingests data and leverages our patented AI models to deliver autonomous protection. With SentinelOne, organizations gain full transparency into everything happening across the network at machine speed – to defeat every attack, at every stage of the threat lifecycle.

We are a values-driven team where names are known, results are rewarded, and friendships are formed. Trust, accountability, relentlessness, ingenuity, and OneSentinel define the pillars of our collaborative and unified global culture. We're looking for people that will drive team success and collaboration across SentinelOne. If you’re enthusiastic about innovative approaches to problem-solving, we would love to speak with you about joining our team!

What are we looking for?

Top talented individuals capable of leading a feature through the entire development lifecycle. People who can explore, design, recommend, and develop innovative ideas from scratch and drive a sophisticated product to production.

What will you do?

The Windows Infrastructure team is a key part of SentinelOne's all-star Windows EPP / EDR development group, recognized three times in a row as Gartner Magic Quadrant Leader.

Our team is responsible for components such as installers, logging, communication services, and interfaces for our Windows agent, focusing on improving quality, performance, stability, and user experience.

As a new member of our distributed team of 6, you will work in Windows user-mode, dealing with a broad range of fields.

• You will design, develop primarily in modern C++ (20/23), test, and debug complex real-world problems, continuously enriching your knowledge of Windows OS internals and the Endpoint Protection & Detection ecosystem.
• Our team executes important feature enhancements, addresses bugs and RCAs, and tackles performance and optimization challenges given the scale of our cybersecurity software handling hundreds of billions of security events.
• Your work will influence the security of tens of millions of Windows devices protected across enterprise and government customers worldwide, including Fortune 10 companies and hundreds of Global 2000s.

What skills & knowledge should you bring?

• Multiple years of experience in low-level C++ development
• Experience working on production-grade, large-scale deployment products
• Ability to work independently and collaboratively across different time zones

It would be an advantage if you have

• Deep understanding of Windows OS design and internals, low-level development, and debugging Windows applications
• Familiarity with debugging and profiling tools for Windows
• Experience with security-oriented development, reversing, or malware analysis

Why us?

You will work on real-world problems, making an impact by protecting customers from cyber threats. Join a cutting-edge project where you can influence the architecture, design, and structure of our core platform, tackling extraordinary challenges alongside industry leaders.

What we offer you

• Flexible remote work within Spain, with optional coworking memberships; relocation assistance available for candidates eligible to work in the EU
• Employee stock plan with RSUs, vesting over 4 years with a 1-year cliff
• Yearly performance-based bonus paid in two installments
• 30 days paid annual leave, flexible sick days, pension, life, and medical insurance
• Monthly allowances for meals, transport, and home office (€440 total)
• Global parental leave (16 weeks), grandparent leave, volunteering days, additional holidays, and employee assistance programs
• Training via Udemy Business platform and support for further education
• Above-standard referral bonuses and DEI&B initiatives supporting diverse employee resource groups

Additional benefits for Spain

SentinelOne is an Equal Employment Opportunity and Affirmative Action employer, committed to diversity and non-discrimination. We participate in the E-Verify Program for U.S.-based roles.