Senior Linux Internals Engineer

Summary

Join Cybereason's Endpoint team as a Senior Linux Internals Engineer to design and develop Linux kernel-level components and system-level features for threat detection. You will collaborate with security experts and developers, shaping the future of the Linux sensor. This role demands strong C++ expertise and a deep understanding of Linux kernel internals. Responsibilities include designing, developing, and optimizing Linux components, architecting scalable solutions, conducting performance profiling and debugging, collaborating with cross-functional teams, conducting code reviews, mentoring engineers, and staying current with Linux kernel developments. The ideal candidate possesses 5+ years of experience in Linux systems programming and expert-level C++ proficiency. Cybereason offers a competitive salary, comprehensive benefits, flexible hours with remote work options, and opportunities for professional growth.

Requirements

• 5+ years of professional experience in Linux systems programming
• Deep understanding of Linux internals , including system calls, modules, kernel architecture
• Expert-level proficiency in C++ (11/14/17) and modern system-level programming
• Experience with debugging and profiling tools (e.g., GDB, perf, ftrace, strace, auditd)
• Strong grasp of Linux security mechanisms , access control, namespaces, cgroups, etc
• Familiarity with version control systems (e.g., Git) and build tools (e.g., Make, CMake)

Responsibilities

• Design, develop, and optimize Linux internals and kernel components for endpoint detection and response
• Architect scalable, reliable system-level solutions that integrate with our broader detection pipeline
• Conduct performance profiling , low-level debugging, and optimization of kernel-mode code
• Collaborate with cross-functional teams to ensure robust and secure product delivery
• Conduct code reviews and mentor engineers on Linux and C++ best practices
• Stay current with developments in the Linux kernel ecosystem and contribute to internal technical strategy

Preferred Qualifications

• Hands-on experience with eBPF , ftrace , audit frameworks , or other kernel tracing tools
• Scripting experience (Python, Bash) for automation and tooling
• Background in cybersecurity , malware analysis, or experience working with AV/EDR/EPP products
• Knowledge of cloud infrastructure and containerization (Docker, Kubernetes)
• Experience leading projects or mentoring teams in remote or distributed environments
• Bachelor’s degree in Computer Science, Software Engineering, or equivalent experience

Benefits

• Competitive salary and comprehensive benefits package
• Flexible working hours with remote work options
• Opportunities for professional growth and continuous learning