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Freelance Windows Kernel Developer Jobs in Florida

ThreatLocker

Senior Kernel Software Developer

Orlando, FL

$51 - $67.25/hr

POSITION OVERVIEW We are seeking a Windows Kernel Driver Engineer with extensive experience in filter driver development and Windows system internals to join our cybersecurity product team. In this ...

ThreatLocker

Senior Kernel Software Developer

Orlando, FL · On-site

$51 - $67.25/hr

POSITION OVERVIEW We are seeking a Windows Kernel Driver Engineer with extensive experience in filter driver development and Windows system internals to join our cybersecurity product team. In this ...

ThreatLocker

Windows Service Developer

Orlando, FL · On-site

The ideal candidate is an expert developer with a deep understanding of Windows architecture ... Experience with C/C++ interop, kernel development, or Windows filter drivers. * Proven ability to ...

ThreatLocker

Windows Service Developer

Orlando, FL

The ideal candidate is an expert developer with a deep understanding of Windows architecture ... Experience with C/C++ interop, kernel development, or Windows filter drivers. * Proven ability to ...

OneArc

Senior Platform Engineer

Orlando, FL · On-site

$101K - $137K/yr

Kernel Understanding: A solid understanding of the kernel, its components, and how it interacts ... Windows System Administrator (5+ years) Experience in DevOps or Platform Engineering Roles (3+ ...

OneArc

Senior Platform Engineer

Orlando, FL

$94K - $128K/yr

Kernel Understanding: A solid understanding of the kernel, its components, and how it interacts ... Windows System Administrator (5+ years) Experience in DevOps or Platform Engineering Roles (3+ ...

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Freelance Windows Kernel Developer information

What are the key skills and qualifications needed to thrive as a Freelance Windows Kernel Developer, and why are they important?

A Freelance Windows Kernel Developer must possess deep knowledge of C/C++ programming, operating system internals, and Windows kernel architecture, often supported by a degree in computer science or related experience. Familiarity with tools like WinDbg, Visual Studio, and experience with kernel debugging, driver development, and Windows Driver Kit (WDK) are essential. Strong problem-solving skills, attention to detail, and effective independent communication set standout freelancers apart. These capabilities ensure the developer can deliver secure, high-performance kernel modules and troubleshoot complex system-level issues for clients.

What are some common challenges faced by freelance Windows Kernel Developers when working with clients remotely?

Freelance Windows Kernel Developers often encounter challenges such as obtaining sufficient access to client environments for debugging, ensuring confidentiality when handling sensitive code, and aligning with the client’s internal development workflows. Effective communication is crucial, as kernel development frequently involves troubleshooting low-level issues that may require detailed logs or real-time collaboration with other developers. Setting clear expectations around deliverables, timelines, and security protocols helps address these challenges and fosters a productive remote working relationship.

What is a Freelance Windows Kernel Developer?

A Freelance Windows Kernel Developer is an independent software engineer who specializes in developing, debugging, and maintaining software that operates at the Windows operating system kernel level. These professionals design drivers, system utilities, or security modules that require deep integration with Windows internals. Working as freelancers, they typically handle short-term contracts or projects for various clients, providing expertise in areas like kernel-mode driver development, kernel debugging, and performance optimization. Their work is crucial for hardware compatibility, system stability, and advanced software functionalities.
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Freelance Windows Kernel Developer jobs near you
Senior Kernel Software Developer

Senior Kernel Software Developer

ThreatLocker

Orlando, FL

$51 - $67.25/hr

Full-time

Posted 3 days ago

ThreatLocker rating

7.0

Company rating: 7.0 out of 10

Based on 6 frontline employees who took The Breakroom Quiz

145th of 191 rated software companies

Job description

COMPANY OVERVIEW
ThreatLocker® is a leader in endpoint protection technologies, providing enterprise-level cybersecurity tools to improve the security of servers and endpoints. The ThreatLocker® platform with Application Allowlisting, Ringfencing™, Storage Control, Elevation Control, Endpoint Network Control, Configuration Management, and Operational Alert solutions are leading the cybersecurity market toward a more secure approach of blocking the exploits of application vulnerabilities.
POSITION OVERVIEW
We are seeking a Windows Kernel Driver Engineer with extensive experience in filter driver development and Windows system internals to join our cybersecurity product team. In this role, you will build and maintain critical kernel-mode components that power next-generation threat detection, prevention, and response capabilities on Windows systems. The role will be based in Orlando, FL and is an in-office position.
JOB SCOPE
The Kernel Developer will be responsible for, but not limited to:
  • Design and develop kernel-mode filter drivers (file system minifilter, registry filter, network filter, etc.) to support security monitoring and enforcement.
  • Investigate and reverse-engineer Windows internals to implement low-level security features and bypass-resistant protections.
  • Collaborate with the threat research, detection, and user-mode engineering teams to develop scalable and stealthy security solutions.
  • Perform in-depth kernel debugging, crash dump analysis, and performance tuning using WinDbg, ETW, and related tools.
  • Develop robust, secure, and maintainable driver code that meets Microsoft's signing and certification standards.
  • Monitor Windows platform changes to ensure compatibility and stability across OS versions.

REQUIRED QUALIFICATIONS
  • 5+ years of hands-on experience writing Windows kernel-mode drivers, particularly filter drivers.
  • Expert knowledge of Windows system internals (memory management, I/O subsystem, object manager, etc.).
  • Proficiency in C/C++, Windows Driver Kit (WDK), and kernel debugging tools.
  • Experience in the cybersecurity domain, especially endpoint protection, EDR, anti-malware, or kernel-level monitoring.
  • Solid understanding of code injection techniques, hooking, kernel-mode exploits, and mitigation strategies.
  • Strong problem-solving skills and a security-first engineering mindset.

PREFERRED QUALIFICATIONS
  • Experience with malware analysis, reverse engineering, or rootkit detection.
  • Familiarity with Windows kernel threat models and secure coding practices.
  • Exposure to Microsoft kernel-mode signing, WHQL, and driver submission processes
  • Contributions to the infosec community (research, publications, open-source projects, talks)

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, would occasionally require to 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.

A background check and drug/substance screening are required after a conditional offer. Employment will proceed only upon receiving clear results from both.
ThreatLocker also conducts randomized drug and substance testing approximately every 60 days, in line with the same screening standards.

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