Senior Kernel Engineer - Linux/Windows Systems

ADP, Inc.; Blanchardstown; On-site; EUR 90,000 - 120,000; Full time

Job summary

ThreatLocker is seeking a Kernel Developer to join our engineering team in Ireland. You will contribute to core kernel infrastructures, maintain high‑quality C code, and collaborate across product areas to ensure reliability and performance.

You will debug, test, and optimize kernel level components, work with device drivers, and help design CI/CD pipelines to accelerate software delivery. Candidates should have 7+ years of professional software experience, strong knowledge of Linux internals,

Qualifications

• 7+ years of professional software development experience.
• Proficient in Windows, Linux and/or Mac operating systems.
• Proficient in C programming.
• Experience with computer architecture and server platform hardware.
• System software development in C and Python.
• Internals of Linux, Mac and/or Windows operating systems.

Responsibilities

• Developing, debugging and testing kernel level code using the C language.
• Exercising/validation of system from user space, knowledge of user space API.
• Supports the design, development, and maintenance of major system components.
• Manages device driver development and support (one or more of USB, network, graphics, video, mtd, storage, power management).
• Design and maintenance of CI/CD

Skills

C programming

Linux kernel internals

Windows OS

Mac OS

Server hardware

System software development (C/Python)

ARM architecture

PCIe/DMA

Virtualization (VMs)

Docker

Jira

Confluence

Crucible

Subversion (SVN)

Tools

Docker

Jira

Confluence

Crucible

SVN

Job description

ThreatLocker is seeking a Kernel Developer to join our engineering team in Ireland. You will contribute to core kernel infrastructures, maintain high‑quality C code, and collaborate across product areas to ensure reliability and performance.

You will debug, test, and optimize kernel level components, work with device drivers, and help design CI/CD pipelines to accelerate software delivery. Candidates should have 7+ years of professional software experience, strong knowledge of Linux internals,