Linux Kernel Developer
IBM · Posted Nov 4
Hybrid cloud, artificial intelligence, enterprise software, quantum computing, and IT consulting services
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About the role
IBM’s Linux Technology Centre drives open-source Linux development and helps IBM Power hardware, software, and services run enterprise mission-critical workloads on Linux. The team works across all phases of software development and engages with the Linux community. This role develops and optimizes core kernel components such as memory management, CPU scheduler, RAS, I/O, KVM, and bootloader, and upstreams features to the Linux kernel community.
What you will do
- Design and development of state of the art features for Enterprise Linux.
- Working closely with Opensource community to upstream features developed.
- Work towards the goal to ensure IBM Power systems objectives are optimally achieved.
- Interact with teams above and below the stack to ensure goals are met holistically.
Skills used in this role
What the employer is looking for
- 6 to 12 years of experience in Linux internals, operating systems, and Linux kernel development.
- Strong experience in kernel programming, kernel debugging, performance analysis, and root cause identification.
- Hands-on expertise in Linux kernel subsystems such as Memory Management, Filesystems, Virtualization (KVM), Device Drivers, Interrupt Handling, IOMMU/VFIO, Networking, or related areas.
- Working knowledge of computer system architecture, including CPU, memory, I/O subsystems, and virtualization technologies.
- Strong operating systems fundamentals with deep understanding of process management, scheduling, synchronization, memory management, and storage stacks.
- Strong programming skills in C, C++, Python, and shell scripting with experience developing and debugging low-level system software.
- Experience working with open-source software, contributing to upstream Linux kernel communities, reviewing patches, and maintaining kernel code.
- Hands-on experience with kernel tracing and debugging tools such as GDB, crash, ftrace, perf, eBPF, SystemTap, or kgdb.
- Experience in kernel performance tuning, problem determination, and resolution of complex system-level issues.
- Proven problem-solving, design, collaboration, and communication skills with the ability to drive technical discussions across teams.
- Experience with Linux upstream community and LKML participation
- Ability to develop, submit, and maintain kernel patches
- Strong code review skills ensuring quality and standards compliance
- Proficiency with tools like git and checkpatch
- Effective collaboration with maintainers and community to drive upstream contribution
Benefits and support
- Compensation and benefits are detailed in the job posting
About IBM
International Business Machines Corporation (IBM) is a global technology and consulting company that provides hybrid cloud, artificial intelligence, and enterprise infrastructure solutions. Operating in over 175 countries, IBM helps businesses across industries modernize operations, secure data, and drive digital transformation through platforms like watsonx and Red Hat OpenShift. Founded over a century ago, the company remains a pioneer in high-performance computing, enterprise automation, and quantum technology.
- Industry
- Information Technology
- Company size
- 260,000+ employees
- Founded
- June 16, 1911
- Location
- Armonk, New York, USA
- Funding stage
- Public Company
Funding
Public Company · $3.5B raised
- ·Post Ipo Debt$150M
Leadership
Chairman, President and Chief Executive Officer
Senior Vice President and Chief Financial Officer
Senior Vice President, Software and Chief Commercial Officer
Senior Vice President, IBM Consulting
Senior Vice President, Marketing and Communications
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