8,478 Kernel Developer jobs in the United States

We are looking for a Windows developer with Kernel experience and some reverse engineering experience. 

Requirements

• ISA/Top Secret Clearance or higher
li>Minimum of 3 years experience each developing, testing, and debugging in C, C++, and Python
• 3+ years of demonstrated in-depth experience developing, testing, and debugging software for Windows OS using Visual Studio IDE and Windows SDK
• Demonstrate in-depth understanding of Windows low level systems development and API
• Demonstrated experience in reverse engineering, vulnerability research, and exploitation on Windows platforms

A Global Government Contracting Company is looking for a Windows developer with Kernel experience and some reverse engineering experience. Work location is Arlington or Herndon VA.
Must have ISA/TS

Kaztronix is an equal opportunity employer and does not discriminate on the basis of race, color, national origin, sex, age, religion, disability, veteran status or any other consideration made unlawful by federal, state or local laws. In addition, all human resource actions in such areas as compensation, employee benefits, transfers, layoffs, training and development are to be administered objectively, without regard to race, color, religion, age, sex, national origin, disability, veteran status or any other consideration made unlawful by federal, state or local laws.

By applying to the position, you acknowledge that your information will be used by Kaztronix in processing your application.

• Design, develop, and maintain components of the Linux kernel (e.g., drivers, subsystems, and core kernel features).
• Debug and optimize the Linux kernel for performance, reliability, and scalability.
• Develop custom kernel modules to support hardware components and system requirements.
• Contribute to open-source kernel projects and actively participate in the Linux community.
• Collaborate with hardware engineers to create and optimize device drivers for new hardware platforms.
• Analyze and resolve kernel-level bugs, crashes, and performance bottlenecks.
• Work with embedded systems or server platforms to ensure efficient kernel integration.
• Contribute to architectural decisions related to kernel and low-level system infrastructure.
• Ensure code quality through testing, code reviews, and performance analysis.
• Stay updated on the latest Linux kernel developments and emerging trends in the field.

• Bachelor's or Master's degree in Computer Science , Electrical Engineering , or a related field.
• 4+ years of professional experience in Linux kernel development .
• In-depth understanding of kernel subsystems , process scheduling , memory management , file systems , and interrupt handling .
• Strong experience in developing, debugging, and maintaining Linux device drivers .
• Proficiency in C and assembly programming for low-level system development.
• Experience with debugging tools such as gdb , perf , and strace .
• Solid understanding of hardware architecture and how it interacts with the kernel.
• Familiarity with version control systems (e.g., Git ) and kernel patch management.
• Experience with kernel security mechanisms and performance tuning.
• Excellent problem-solving skills, attention to detail, and ability to work in a team environment.

Crusoe is building the World's Favorite AI-first Cloud infrastructure company. We're pioneering vertically integrated, purpose-built AI infrastructure solutions trusted by Fortune 500 companies to power their most advanced AI applications. Crusoe is redefining AI cloud infrastructure, with a mission to align the future of computing with the future of the climate. Our AI platform is recognized as the "gold standard" for reliability and performance. Our data centers are optimized for AI workloads and are powered by clean, renewable energy.

Be part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that's setting the pace for responsible, transformative cloud infrastructure.

About This Role:

The Crusoe Cloud Software Development team is seeking a passionate and experienced Senior Software Engineer specializing in Linux Kernel and Driver Development. This role is critical in the design, development, and maintenance of kernel-level drivers and software for our cutting-edge technology products. A deep understanding of Linux kernel internals is essential for developing reliable, high-performance systems supporting our innovative hardware and software solutions. This is a full-time position.

What You'll Be Working On:

• Linux Kernel Development: Develop and maintain Linux kernel modules, including device drivers, to support new hardware and enhance existing functionality. Design and implement efficient drivers for various hardware devices and optimize existing drivers for performance and reliability.
• System-Level Troubleshooting: Diagnose and resolve complex system issues at the kernel level. Work closely with hardware teams to debug and resolve hardware-software integration issues.
• Performance Analysis: Analyze and enhance system performance, focusing on kernel optimization, memory management, and process scheduling.
• Code Review and Quality Assurance: Conduct thorough code reviews to ensure the highest level of software quality. Implement best practices for kernel development and contribute to continuous improvement initiatives.
• Cross-Functional Collaboration: Collaborate with other engineering teams, including hardware, software, and QA, to ensure cohesive and integrated product development.
• Technical Leadership: Provide technical guidance and mentorship to junior engineers, fostering a culture of technical excellence and collaborative problem-solving.
• Hypervisor Focus: Focus on development, testing, and debugging all aspects of the Linux Kernel as it pertains to the hypervisor hardware and software stack.
• Hardware Understanding: Work closely with designers and architects to understand functional IP blocks and their use-cases.
• Debugging and Root-Cause Analysis: Debug and root-cause a variety of hardware and software issues.

• Linux Kernel Expertise: Proven knowledge of Linux kernel internals (process scheduler, memory management, concurrency/synchronization, memory allocation, file systems) and profiling.
• Hardware Experience: Experience working with Smart NIC and DPU hardware (Nvidia CX6/7 and BF3). Experience with kernel bypass and hardware offloads.
• Debugging & Troubleshooting: Strong debugging skills in kernel context. Experience exercising/validation of systems from user space, and knowledge of user space APIs.
• Platform Experience: Experience porting/maintaining Linux distributions for a platform. Experience with kexec, kpatch, kdump.
• Technical Proficiency: Experienced C programmer.
• Education & Experience: Bachelor's degree in Computer Science, Computer Engineering, or a related field, and a minimum of 5 years of relevant industry experience with 3 years of low-level operating systems exposure.
• Safety and Compliance: Must be able to pass a background check.
• Company Values: Embody the Company values.

• Exposure to embedded Linux kernel development.

• Industry competitive pay
• Restricted Stock Units in a fast growing, well-funded technology company
• Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
• Employer contributions to HSA accounts
• Paid Parental Leave
• Paid life insurance, short-term and long-term disability
• Teladoc
• 401(k) with a 100% match up to 4% of salary
• Generous paid time off and holiday schedule
• Cell phone reimbursement
• Tuition reimbursement
• Subscription to the Calm app
• MetLife Legal
• Company paid Commuter FSA benefit of $200 per month

• 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
• Ported/maintain Windows distribution for a platform

• Minimum of 7 years of professional experience in software development
• Proficient in Windows 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 Windows operating systems

• 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

Crusoe is building the Worlds Favorite AI-first Cloud infrastructure company. Were pioneering vertically integrated, purpose-built AI infrastructure solutions trusted by Fortune 500 companies to power their most advanced AI applications. Crusoe is redefining AI cloud infrastructure, with a mission to align the future of computing with the future of the climate. Our AI platform is recognized as the gold standard for reliability and performance. Our data centers are optimized for AI workloads and are powered by clean, renewable energy.

Be part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team thats setting the pace for responsible, transformative cloud infrastructure.

About This Role:

The Crusoe Cloud Software Development team is seeking a passionate and experienced Senior Software Engineer specializing in Linux Kernel and Driver Development. This role is critical in the design, development, and maintenance of kernel-level drivers and software for our cutting-edge technology products. A deep understanding of Linux kernel internals is essential for developing reliable, high-performance systems supporting our innovative hardware and software solutions. This is a full-time position.

What Youll Be Working On:

• Linux Kernel Development: Develop and maintain Linux kernel modules, including device drivers, to support new hardware and enhance existing functionality. Design and implement efficient drivers for various hardware devices and optimize existing drivers for performance and reliability.

• System-Level Troubleshooting: Diagnose and resolve complex system issues at the kernel level. Work closely with hardware teams to debug and resolve hardware-software integration issues.

• Performance Analysis: Analyze and enhance system performance, focusing on kernel optimization, memory management, and process scheduling.

• Code Review and Quality Assurance: Conduct thorough code reviews to ensure the highest level of software quality. Implement best practices for kernel development and contribute to continuous improvement initiatives.

• Cross-Functional Collaboration: Collaborate with other engineering teams, including hardware, software, and QA, to ensure cohesive and integrated product development.

• Technical Leadership: Provide technical guidance and mentorship to junior engineers, fostering a culture of technical excellence and collaborative problem-solving.

• Hypervisor Focus: Focus on development, testing, and debugging all aspects of the Linux Kernel as it pertains to the hypervisor hardware and software stack.

• Hardware Understanding: Work closely with designers and architects to understand functional IP blocks and their use-cases.

• Debugging and Root-Cause Analysis: Debug and root-cause a variety of hardware and software issues.

What Youll Bring to the Team:

• Linux Kernel Expertise: Proven knowledge of Linux kernel internals (process scheduler, memory management, concurrency/synchronization, memory allocation, file systems) and profiling.

• Hardware Experience: Experience working with Smart NIC and DPU hardware (Nvidia CX6/7 and BF3). Experience with kernel bypass and hardware offloads.

• Debugging & Troubleshooting: Strong debugging skills in kernel context. Experience exercising/validation of systems from user space, and knowledge of user space APIs.

• Platform Experience: Experience porting/maintaining Linux distributions for a platform. Experience with kexec, kpatch, kdump.

• Technical Proficiency: Experienced C programmer.

• Education & Experience: Bachelor's degree in Computer Science, Computer Engineering, or a related field, and a minimum of 5 years of relevant industry experience with 3 years of low-level operating systems exposure.

• Safety and Compliance: Must be able to pass a background check.

• Company Values: Embody the Company values.

Bonus Points:

• Exposure to embedded Linux kernel development.

Benefits:

• Hybrid work schedule

• Industry competitive pay

• Restricted Stock Units in a fast growing, well-funded technology company

• Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents

• Employer contributions to HSA accounts

• Paid Parental Leave

• Paid life insurance, short-term and long-term disability

• Teladoc

• 401(k) with a 100% match up to 4% of salary

• Generous paid time off and holiday schedule

• Cell phone reimbursement

• Tuition reimbursement

• Subscription to the Calm app

• MetLife Legal

• Company paid commuter benefit; $50 per pay period

Compensation:

Compensation will be paid in the range of $83,000 - 210,000. Restricted Stock Units are included in all offers. Compensation to be determined by the applicants education, experience, knowledge, skills, and abilities, as well as internal equity and alignment with market data.

Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

Crusoe is building the Worlds Favorite AI-first Cloud infrastructure company. Were pioneering vertically integrated, purpose-built AI infrastructure solutions trusted by Fortune 500 companies to power their most advanced AI applications. Crusoe is redefining AI cloud infrastructure, with a mission to align the future of computing with the future of the climate. Our AI platform is recognized as the gold standard for reliability and performance. Our data centers are optimized for AI workloads and are powered by clean, renewable energy.

Be part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team thats setting the pace for responsible, transformative cloud infrastructure.

About This Role:

The Crusoe Cloud Software Development team is seeking a passionate and experienced Senior Software Engineer specializing in Linux Kernel and Driver Development. This role is critical in the design, development, and maintenance of kernel-level drivers and software for our cutting-edge technology products. A deep understanding of Linux kernel internals is essential for developing reliable, high-performance systems supporting our innovative hardware and software solutions. This is a full-time position.

What Youll Be Working On:

• Linux Kernel Development: Develop and maintain Linux kernel modules, including device drivers, to support new hardware and enhance existing functionality. Design and implement efficient drivers for various hardware devices and optimize existing drivers for performance and reliability.

• System-Level Troubleshooting: Diagnose and resolve complex system issues at the kernel level. Work closely with hardware teams to debug and resolve hardware-software integration issues.

• Performance Analysis: Analyze and enhance system performance, focusing on kernel optimization, memory management, and process scheduling.

• Code Review and Quality Assurance: Conduct thorough code reviews to ensure the highest level of software quality. Implement best practices for kernel development and contribute to continuous improvement initiatives.

• Cross-Functional Collaboration: Collaborate with other engineering teams, including hardware, software, and QA, to ensure cohesive and integrated product development.

• Technical Leadership: Provide technical guidance and mentorship to junior engineers, fostering a culture of technical excellence and collaborative problem-solving.

• Hypervisor Focus: Focus on development, testing, and debugging all aspects of the Linux Kernel as it pertains to the hypervisor hardware and software stack.

• Hardware Understanding: Work closely with designers and architects to understand functional IP blocks and their use-cases.

• Debugging and Root-Cause Analysis: Debug and root-cause a variety of hardware and software issues.

What Youll Bring to the Team:

• Linux Kernel Expertise: Proven knowledge of Linux kernel internals (process scheduler, memory management, concurrency/synchronization, memory allocation, file systems) and profiling.

• Hardware Experience: Experience working with Smart NIC and DPU hardware (Nvidia CX6/7 and BF3). Experience with kernel bypass and hardware offloads.

• Debugging & Troubleshooting: Strong debugging skills in kernel context. Experience exercising/validation of systems from user space, and knowledge of user space APIs.

• Platform Experience: Experience porting/maintaining Linux distributions for a platform. Experience with kexec, kpatch, kdump.

• Technical Proficiency: Experienced C programmer.

• Education & Experience: Bachelor's degree in Computer Science, Computer Engineering, or a related field, and a minimum of 5 years of relevant industry experience with 3 years of low-level operating systems exposure.

• Safety and Compliance: Must be able to pass a background check.

• Company Values: Embody the Company values.

Bonus Points:

• Exposure to embedded Linux kernel development.

Benefits:

• Industry competitive pay

• Restricted Stock Units in a fast growing, well-funded technology company

• Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents

• Employer contributions to HSA accounts

• Paid Parental Leave

• Paid life insurance, short-term and long-term disability

• Teladoc

• 401(k) with a 100% match up to 4% of salary

• Generous paid time off and holiday schedule

• Cell phone reimbursement

• Tuition reimbursement

• Subscription to the Calm app

• MetLife Legal

• Company paid Commuter FSA benefit of $200 per month

Compensation:

Compensation will be paid in the range of $83,000 - 210,000. Restricted Stock Units are included in all offers. Compensation to be determined by the applicants education, experience, knowledge, skills, and abilities, as well as internal equity and alignment with market data.

Crusoe is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, disability, genetic information, pregnancy, citizenship, marital status, sex/gender, sexual preference/ orientation, gender identity, age, veteran status, national origin, or any other status protected by law or regulation.

• 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.

• 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.

• 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)

• 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.