Senior Software Engineer II (MacOS Sensor)

TL;DR

Senior Software Engineer II (MacOS Sensor): Developing and optimizing core features for the Falcon Host sensor on macOS with an accent on OS internals, file system, and memory management. Focus on building high-performance, cross-platform security components and solving complex system-level challenges to ensure robust endpoint protection.

Location: Must be based in or near Sunnyvale, CA, Redmond, WA, New York City, NY, or Austin, TX with an expectation of approximately two days per week in-office.

Salary: $160,000–$250,000 per year.

Company

A global leader in cybersecurity providing an AI-native platform to stop breaches and protect modern organizations.

What you will do

• Design and develop core features for the macOS sensor, including file system, memory, and networking subsystems.
• Collaborate with cross-platform teams to ensure shared component consistency across Windows, macOS, and Linux.
• Own the full feature lifecycle from initial architecture and design to final delivery and demonstration.
• Debug complex issues such as memory corruption, process contentions, and system performance bottlenecks.
• Provide technical guidance and mentorship to development teams to foster engineering excellence.

Requirements

• Deep knowledge of Swift and C/C++.
• Extensive understanding of macOS internals and security frameworks.
• Proven experience in debugging system-level performance issues and memory corruption.
• Demonstrated ability to collaborate effectively within a geographically distributed team.
• Must be authorized to work in the United States.

Nice to have

• Strong background in developing scalable, lightweight, and high-performance systems.
• In-depth expertise in core OS concepts and subsystems.
• Experience utilizing Agile methodologies.
• Knowledge of security principles.

Culture & Benefits

• Market-leading compensation and equity awards.
• Comprehensive physical and mental wellness programs.
• Competitive vacation, holidays, and paid parental/adoption leave.
• Professional development opportunities for all employees.
• Vibrant office culture with world-class amenities and employee networks.