Senior Linux Kernel Engineer for Security Platform

ThreatLocker Inc.; Orlando (FL); On-site; USD 120,000 - 180,000; Full time

Job summary

ThreatLocker Inc. is seeking a Linux Kernel Developer to design, develop, debug, and maintain low-level Linux components supporting endpoint security across Linux distributions. You will work on kernel modules, eBPF, and system interfaces, interfacing with user-space APIs and QA teams.

This in-office Orlando role emphasizes security-focused kernel work. The ideal candidate has 5+ years of software development experience, deep knowledge of Linux kernel internals, and a track record across

Qualifications

• 5+ years of software development experience.
• Strong understanding of Linux kernel internals.
• Experience with Linux kernel modules and/or eBPF.
• Experience with processes, scheduling, memory management, concurrency, filesystems, networking, or storage subsystems.
• Experience debugging kernel and low-level system issues.
• Strong understanding of computer architecture and system-level software.
• Experience working across multiple Linux distributions and kernel versions.

Responsibilities

• Develop, debug, test, and maintain Linux kernel-level components using C/C++
• Work with kernel modules, eBPF , system calls, filesystems, networking, memory management, and process monitoring
• Validate kernel functionality from user space and work with user-space APIs
• Debug complex kernel, performance, compatibility, and system-level issues
• Support compatibility across Red Hat, Debian, Ubuntu, SUSE , and other Linux environments
• Support kernel and platform enablement across x86_64 and ARM64
• Contribute to build, packaging, CI/CD, and automated kernel testing processes
• Support platform and Linux distribution porting where required
• Collaborate with development, QA, DevOps, and security teams

Skills

Linux kernel internals

Kernel modules

eBPF

Concurrency

System architecture

Tools

CI/CD

Kernel build tools

Virtualization

Job description

ThreatLocker Inc. is seeking a Linux Kernel Developer to design, develop, debug, and maintain low-level Linux components supporting endpoint security across Linux distributions. You will work on kernel modules, eBPF, and system interfaces, interfacing with user-space APIs and QA teams.

This in-office Orlando role emphasizes security-focused kernel work. The ideal candidate has 5+ years of software development experience, deep knowledge of Linux kernel internals, and a track record across