Software Engineer II - Client- Microsoft Defender for Endpoint

Note Regarding Current Security Situation in Israel

At Microsoft , we are fully committed to the safety and well-being of our employees.  

We understand that the recent security situation in Israel has had an impact on daily life, including work-related matters. 

While our recruitment process may experience occasional delays due to these external factors, our commitment to a thorough and fair evaluation of all applicants remains unwavering. 

We appreciate your understanding and patience during these challenging times. The safety and well-being of our employees and candidates are of the utmost importance.

Looking to take your low-level C++ skills to the next level and make real security impact at massive scale? Join our Defender for Endpoint team in Israel.

Cyber-attacks are growing in volume and sophistication, making traditional defenses increasingly ineffective. Microsoft 365 Defender combines the power of Defender for Endpoint, Office, Cloud Apps, Identity, Sentinel, and XDR to provide a unified defense solution. By analyzing threat signals across domains, it offers a complete picture of attacks—allowing organizations to detect, respond, and recover efficiently.

Our EDR Prevention Group is part of the Defender for Endpoint team. We build core components of the Windows agent responsible for:

• Collecting security events from the endpoint
• Processing and sending data to the cloud
• Applying local remediation and protection

This agent runs on over 100 million devices worldwide and plays a key role in protecting users and enterprises from modern threats. You'll join a team that tackles low-level, high-impact engineering challenges and shapes the next generation of endpoint protection.

Responsibilities

As a Client Engineer on our team, you’ll help shape the core of Microsoft Defender for Endpoint’s Windows agent, writing performance-critical code in C++ and Rust. Your work will directly protect millions of users worldwide.

You’ll build cutting-edge security features, collaborate across disciplines (engineering, product, research, and data science), and help improve the resilience of our endpoint security platform.

This is a great opportunity for engineers who are passionate about system-level development, want to work at massive scale, and care about making the digital world safer.

We value inclusive collaboration, continuous learning, and a growth mindset.

What You'll Do

• Design and implement features in Defender’s Windows agent (C++ / Rust)
• Improve core infrastructure and drive performance, reliability, and security
• Work closely with product, data science, and research teams
• Mentor junior engineers and support a culture of shared learning
• Take ownership of technical decisions and continuously improve team practices

Qualifications

• Bachelor’s degree in Computer Science or equivalent practical experience
• You have 4+ years of hands-on software development experience
• You have strong coding skills in C or C++
• Solid understanding of Windows internals and system architecture
• Proven track record of building and maintaining large-scale systems
• Excellent communication and collaboration skills

Preferred Qualifications

• Experience in endpoint security or related fields
• Coding experience in Rust
• Background in building secure, high-performance infrastructure

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, color, family or medical care leave, gender identity or expression, genetic information, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran status, race, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request via the Accommodation request form.

Benefits/perks listed below may vary depending on the nature of your employment with Microsoft and the country where you work.