KERNEL SOFTWARE DEVELOPER

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 a global cybersecurity leader, providing enterprise-level cybersecurity tools for the Managed Services Provider (MSP) industry to improve the security of servers and endpoints. ThreatLocker’s combined Application Whitelisting, Ringfencing™, Storage Control and Privileged Access Management solutions are leading the cybersecurity market towards a more secure approach of blocking unknown application vulnerabilities.

POSITION OVERVIEW

Kernel Developers develop and maintain a selected subset of the core kernel infrastructures, both in the SUSE enterprise products and upstream.

JOB SCOPE

The Kernel Developer will be responsible for, but not limited to:

• 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

REQUIRED QUALIFICATIONS

• Minimum of 7 years of professional experience in software development
• Proficientin Windows, Linux and/or Mac operating system
• Proficient in C programming
• Experienced in the following:
• Computer architecture and server platform hardware
• System software development in C and Python
• Internals of Linux, Mac and/or Windows operating systems

PREFERRED QUALIFICATIONS

• Working knowledge of VMM technologies like VMware/Xen/KVM/Hyper-V Experience.
• Experience with memory management and Kernel programming.
• Knowledge about SR-IOV, SIOV, DMA and PCIe.
• Experience with virtualization and containerization (Python virtual environments and Docker)
• Atlassian Suite (Jira, Confluence, Crucible)
• Subversion exposure Familiarity with ARM architecture a plus
• Solid knowledge of Linux kernel internals (process scheduler, memory management, concurrency/synchronization, memory allocation, file systems) and networking or storage subsystems architecture

WORKING CONDITIONS

The duties described below are representative of those encountered while performing the essential functions of this position. If necessary, reasonable accommodation may be requested and will be evaluated for its relationship to the essential functions that must be performed.

• Job will generally be performed in an office environment but may require travel to visit company offices and/or property locations.
• While performing duties of this job,wouldoccasionally requireto stand, walk, sit, reach with hands and arms, climb or balance, stoop or kneel, talk and hear, and use fingers and hands to feel objects and tools.
• Must occasionally lift and/or move up to 25 pounds.
• Specific vision abilities required include close vision, distance vision, depth perceptions, and the ability to adjust focus.