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Senior Linux Internals Engineer at Cybereason. Location Information: Tokyo. . About the Role:. . We’re looking for a . Senior Linux Internals Engineer. to join our Endpoint team and work at the heart of Cybereason’s EDR/XDR technology. In this role, you will design and develop . Linux kernel-level components. and . system-level features. that power our threat detection capabilities. You’ll work closely with other security experts, backend developers, and product managers to shape the future of our Linux sensor.. . This role requires strong . C++ expertise. , a deep understanding of . Linux kernel internals. , and a passion for building secure, high-impact software.. . . . Key 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. . . Required Qualifications:. . . 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). . . 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. . . What We Offer:. . . Competitive . salary. and comprehensive benefits package. . Flexible working hours with remote work options. . Opportunities for professional growth and continuous learning. . A collaborative and innovative team culture. . . #LI-Remote. More About Cybereason:. . . . Our culture and how we operate reflects in our shared values. Our #Defenders are individuals with diverse skill sets and backgrounds who are driven to innovate and scale with our growing organization. We are a team that strives to learn from each other, solve challenging problems, and work collaboratively toward our goal of reversing the adversary advantage.. . Core Values:. . . Win As One: The power of an individual is less than the power of a team.. . Ever Evolving: Change keeps us at the forefront, so we encourage it.. . Daring: To achieve the impossible, we must dare to be different.. . Obsessed with Customers: We believe gaining our customers’ trust is the most important part of what we do.. . Never Give Up: We are tenacious and resilient, and we never stop.. . UbU: We believe people can only unlock their full potential when they work somewhere that accepts who they are.. . . If these values resonate with you and our vision excites you, join us today and help us end cyber attacks from the endpoint to everywhere! #Defenders. . Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Cybereason we are dedicated to building a diverse, inclusive, and authentic workplace (#uBu), so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles.. .