Crusoe, an innovative AI-first Cloud infrastructure company, is seeking a Staff Software Engineer specializing in Kernel Security. This role is crucial for strengthening the security of their Linux kernel and operating system components that support their AI cloud solutions. The position requires deep expertise in Linux kernel internals, security vulnerabilities, and secure development practices. The ideal candidate will work on kernel security hardening, vulnerability research, implementing secure development practices, and providing technical leadership. They offer a comprehensive benefits package including competitive salary ($204,000-$247,000), equity, and extensive health benefits. The role is based in San Francisco and requires 5+ years of experience with at least 3 years focused on operating systems or kernel security. This is an opportunity to join a company that's pioneering sustainable AI infrastructure while working on cutting-edge security challenges. The role combines technical expertise with leadership responsibilities, making it ideal for someone who wants to make a significant impact on the security posture of critical AI infrastructure.