KERNEL SOFTWARE DEVELOPER

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

Job summary

ThreatLocker is seeking a seasoned Kernel Developer to join our Dublin-based team. You will develop and maintain kernel level code in C for Windows/Linux/macOS environments, contribute to device drivers, and help design scalable CI/CD pipelines. The role requires strong Linux internals knowledge and 7+ years of software experience.

Join ThreatLocker, a global cybersecurity leader, with offices in Dublin, and work on high-assurance systems across endpoints, networks, and cloud deployments.

Qualifications

• Minimum 7 years of professional software development experience.
• Proficient in Windows, Linux and/or Mac operating system.
• Proficient in C programming.
• Knowledge of 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 (USB, network, graphics, video, storage, power management).
• Design and maintenance of CI/CD.

Skills

C programming

Kernel development

Linux internals

Device drivers

System software

Python

CI/CD

Tools

Docker

Subversion

Jira

Confluence

Job description

ThreatLocker® is a global cybersecurity leader that stops cyberattacks before they happen. The company’s Zero Trust Platform prevents breaches from both known and unknown threats by allowing only explicitly trusted software and activity across endpoints, networks, and cloud systems. Built to deploy quickly and scale across complex environments, the platform reduces operational overhead while keeping business running uninterrupted. Headquartered in Orlando, Florida, with offices in Dublin, Dubai, and Brisbane, ThreatLocker protects over 70,000 organizations worldwide.

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.