Senior Windows EDR Development Engineer

ThreatDown is looking for..

ThreatDownislooking for aWindows EDR Development Engineer to help build the next generation of endpoint detection and response capabilitiesfor enterprise environments.

This rolemay beagreatfitif you enjoy workingclose to the operating system,solving complex systems-levelproblems, andbuildingsecurity products thatoperatereliablyatscale. You willcontribute touser-mode and kernel-mode components thatsupportendpoint telemetry, threat detection, prevention, self-protection, and remediation.

You willcollaboratewith detection engineers, security researchers, and platform teams to deliver high-performance, resilient, and secure endpoint technologiesthat help protect customers from modern threats.

We encourage candidates from a wide range of backgrounds to apply, even if they do not meet every qualification listed below. If your experience gives you the ability to contribute to this work, we would like to hear from you.

What You Will Do:

• Design, develop, andmaintainWindows endpoint sensor components in C++ and C#.
• Build and enhance telemetry collection, detection, prevention, and response capabilities for EDR products.

• Develop software thatoperatesacross both user-mode and kernel-mode environments.

• Design andmaintainWindows drivers, system services, and other low-level platform components.

• Implement new endpoint protection capabilities and continuously improve existing detection technologies.

• Debug and resolve complex issues involving Windows internals, kernel interactions, memory management, and system performance.

• Partner with detection engineers and security researchers to translate threat intelligence into product capabilities.

• Optimizeendpoint performance, stability, and resourceutilizationacross large-scale deployments.

• Participate in architecture reviews, code reviews, and engineering design discussions.

• Contribute to engineering best practices, quality initiatives, and continuous improvement across the team.

Skills You'll Need to Have:

• Bachelor’s orMaster’s degree in Computer Science, Computer Engineering, Cybersecurity,a relatedfield, or equivalent practical experience.
• Professional software development experience on Microsoft Windows; experiencewith systems-level or endpoint software is especially helpful.

• Proficiencyin C++ and familiarity with C#, or the ability to ramp up quickly in C#.

• Solid understanding of Windows internals, operating system architecture, or system-level programming concepts.

• Experience developing software with Windows APIs and native operating system services.

• Experience with Windows driver development, kernel-mode programming, or closely relatedlow-level Windows technologies.

• Debugging and troubleshooting experience usingWinDbgor comparable diagnostic tools.

• Experience contributing to production-grade software or services used by customers or internal teams.

• Understanding ofsecure software development practices and an interest in building reliable, trustworthy systems.

• Strong analytical and problem-solving skills, with the ability to communicate technical ideas clearly with teammates and partners.

• Ability to communicate effectively in written and spoken English in a collaborative engineering environment.

Perks & Benefit:

• Comprehensive medical, dental, and vision insurance coverage

• Employee Referral Bonus Program 

• Wellness programs  

• Comprehensive Time Off policy

• An opportunity to do something great for yourself and the world!

(Benefits and Perks subject to change by country/region)

About ThreatDown

ThreatDown, the corporate business unit of Malwarebytes, is redefining cybersecurity for growing businesses with solutions that stop ransomware, malware, phishing, and AI-powered attacks. Our platform is trusted, intuitive, and built for lean IT teams that need speed without complexity. At ThreatDown, you’ll join a team driven by innovation, resilience, and a passion for empowering businesses to thrive securely. If you're ready to make a real impact in cybersecurity, we’d love to meet you.