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Linux Kernel Engineer Jobs (NOW HIRING)

DigitalOcean

Staff Software Engineer, Kernel

Seattle, WA · Hybrid

$191K - $239K/yr

We are looking for a Staff Engineer who is passionate about the Linux kernel. As a Staff Engineer at DigitalOcean, you will work as a high-level technical leader responsible for designing, optimizing ...

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Linux Kernel Engineer information

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$11K

$114.5K

$129.5K

How much do linux kernel engineer jobs pay per year?

As of Jul 12, 2026, the average yearly pay for linux kernel engineer in the United States is $114,500.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,000.00 and $125,000.00 per year, depending on experience, location, and employer.

What is the difference between Linux Kernel Engineer vs Linux Device Driver Developer?

AspectLinux Kernel EngineerLinux Device Driver Developer
Required SkillsDeep understanding of Linux kernel internals, C programming, system architectureProficiency in C, hardware interfaces, kernel modules, and device-specific programming
Work EnvironmentSystem-level development, kernel debugging, performance optimizationHardware interaction, driver development, testing on embedded or hardware platforms
Industry UsageOperating system development, open-source projects, enterprise Linux systemsHardware manufacturers, embedded systems, IoT devices
CertificationsLinux Foundation certifications, Linux kernel development coursesSimilar certifications, hardware-specific training

While both roles involve Linux kernel-related work, Linux Kernel Engineers focus on overall kernel development and optimization, whereas Linux Device Driver Developers specialize in creating and maintaining drivers for hardware components. The roles often overlap but differ in scope and focus areas.

What are the key skills and qualifications needed to thrive as a Linux Kernel Engineer, and why are they important?

To thrive as a Linux Kernel Engineer, you need deep expertise in C programming, operating systems concepts, and a strong understanding of Linux internals, often supported by a degree in computer science or related field. Familiarity with version control systems (such as Git), kernel debugging tools (like GDB or ftrace), and experience contributing to open-source projects are typically required. Strong problem-solving abilities, attention to detail, and effective written communication are crucial soft skills for collaborating with global developer communities. These skills ensure high-quality kernel development, efficient troubleshooting, and successful integration with the broader open-source ecosystem.

What are some common challenges Linux Kernel Engineers face when working on upstream contributions?

Linux Kernel Engineers often encounter challenges such as navigating complex codebases, adhering to strict coding and documentation standards, and coordinating with a diverse global community of maintainers and contributors. Getting patches accepted upstream requires thorough testing, clear communication, and addressing feedback from reviewers, which can be a time-consuming process. However, this collaborative environment fosters strong professional growth and ensures that engineers are constantly learning from industry experts.

What does a Linux Kernel Engineer do?

A Linux Kernel Engineer is responsible for developing, maintaining, and optimizing the core of the Linux operating system, known as the kernel. Their work involves writing and debugging low-level code, adding new features, fixing bugs, ensuring system security, and improving performance. They often collaborate with the open-source community and hardware manufacturers to ensure compatibility and stability across various platforms. This role requires strong programming skills, especially in C, and a deep understanding of operating system concepts.

What Does a Linux Kernel Engineer Do?

As a Linux kernel engineer, your responsibilities are to develop company or client operating systems that rely on Linux. Your duties involve writing code and working to test and debug the developments you make to the Linux kernel, which is the main component of a Linux operating system. You may check your code for security and ensure that the system interacts effectively and efficiently with software and applications. You may also work on the customization of the system to meet the needs of your employer or client.

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Linux Kernel Engineer jobs near you
Infographic showing various Linux Kernel Engineer job openings in the United States as of July 2026, with employment types broken down into 95% Full Time, 2% Part Time, and 3% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $114,500 per year, or $55 per hour.
Linux Kernel and Containerization Subject Matter Expert (SME)

Linux Kernel and Containerization Subject Matter Expert (SME)

Integration Innovation, Inc.

Huntsville, AL • On-site

Full-time

Medical, Retirement, PTO

Posted 5 days ago

Job description

Overview
i3 is seeking a motivated Linux Kernel and Containerization Subject Matter Expert (SME) that can work with a diverse team to monitor, update, and support THAAD Hardware-in-the-loop (HWIL), Digital and simulation labs. Seeking a candidate with a strong background in containerization, Linux, Kernels, software development and security. Knowledge with a configuration management focus is a plus. Must be able to work in a team environment. This lab supports the THAAD weapons system.
The ideal candidate will possess excellent communication skills both oral and written; exhibit the ability to adapt and thrive in a dynamic, customer focused work environment.
Responsibilities
  • Kernel & OS Engineering: Serve as the SME for Linux kernel customization. Install, configure, and maintain system hardware/software across RHEL 7-10 environments.
  • Infrastructure Management: Design, develop, and maintain highly scalable, resilient container infrastructures and Cloud Development Environments (CDE)
  • Administer container orchestration clusters within strict air-gapped/classified environments requiring Multi-Factor Authentication (MFA)
  • Automate Operating System builds and support the full lifecycle management of containerized applications.
  • Work directly with existing codebases, contribute improvements, and adapt solutions to overcome constraints within legacy systems.
  • Expert knowledge in container technologies
  • Demonstrated ability to design and maintain scalable, resilient container infrastructure.
  • Proficiency in one or more programming languages
  • Provide troubleshooting support for hardware and software
  • Manage user accounts on classified systems using multi-factor authentication.
  • Oversee the implementation of container solutions within a Linux operating system

Qualifications
  • Associate's or Bachelor's Degree in Computer Science, a related field, or equivalent experience.
  • 6+ years of relevant experience.
  • Must have Linux+ and Security+ certifications.
  • Advanced knowledge of RHEL (7-10) OS automation, and Linux kernel customization.
  • Travel of up to 20% is required for this position.
  • Active Secret security clearance required.
  • U.S. Citizenship is required.

Knowledge/Skills
  • Knowledge of office administration and procedures.
  • Exceptional judgment capabilities and relationship management skills.
  • Excellent communication, teamwork, and client service skills; ability to clearly communicate in discussions and written documents, and to deliver feedback clearly and tactfully.
  • Interact with a diverse array of customers and staff in a professional and courteous manner.
  • Work independently with accountability for accurate and complete results.
  • Be extremely organized and exceptionally detail oriented.
  • Work well both independently and in a team environment.
  • Be energized by a fast-paced work environment.
  • Must be able to communicate with others effectively.
  • Analyze information and respond appropriately.
  • Manage time wisely and prioritize tasks.
  • Provide superior customer service.
  • Multi-task in a pleasant manner.
  • Work well under pressure.

Physical Demands:
  • The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
  • While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; handle or feel; and reach with hands and arms.
  • The employee is occasionally required to sit; climb or balance; and stoop, kneel, crouch or crawl. The employee must be able to lift and/or move up to 10 pounds and occasionally lift and/or move up to 25 pounds.
  • Specific vision abilities required by this job include close vision, distance vision, peripheral vision, depth perception and ability to adjust focus.
  • Regular i3 hours are 8:00 a.m. - 5:00 p.m. Monday-Friday, however, additional hours may be required on occasion. Regular and punctual attendance is required.

About i3
i3 is a technically diverse, 100% team member owned business, headquartered in Huntsville, Alabama specializing in missile and aviation systems engineering and logistic services, electronic warfare and electromagnetic effects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation. We have established a broad offering of products and capabilities collectively providing decades of experience supporting the full complement of DoD military services, Missile Defense Agency, National Aeronautics and Space Administration, and a variety of other Government organizations and private industry customers.
Perks of being a team member owner include:
  • Long-term financial security
  • Higher job satisfaction
  • Greater job security
  • Personal and professional growth
  • Great company culture

Other outstanding benefits:
  • Excellent insurance coverage
  • 401(k) match
  • Generous PTO
  • Health and wellness incentives
  • Tuition and certification reimbursement
  • Countless opportunities to give back to the community through i3 Cares

We work hard. We compete hard. We play hard. Apply now to join us!

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