POSITION OVERVIEW
ThreatLocker is seeking a Linux Kernel Developer to join our cybersecurity product team. In this role, you will design, develop, debug, and maintain low-level Linux components that support endpoint security, application control, and threat prevention across multiple Linux distributions and architectures.
DEVELOPMENT - Full-Time
This role will be based in Orlando, FL and is an in-office position.
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
REQUIRED QUALIFICATIONS:
- 5+ years of software development experience
- Strong C/C++ development skills
- 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
PREFERRED QUALIFICATIONS:
- Experience developing endpoint security, EDR, antivirus, or similar security software
- Experience with eBPF-based monitoring or enforcement
- Experience with ARM64 and x86_64
- Experience with Python for tooling, testing, or automation
- Experience with Linux packaging, kernel build systems, and CI/CD
- Experience with virtualization technologies such as KVM, VMware, Xen, or Hyper-V
- Knowledge of PCIe, DMA, SR-IOV/SIOV, or related low-level system interfaces
- Experience contributing to or maintaining upstream Linux kernel code
