Systems Engineer, Kernel/Linux

2 weeks ago

New York, United States CoreWeave Full time
Job DescriptionJob Description

CoreWeave is a specialized cloud provider, delivering a massive scale of GPU compute resources on top of the industry's fastest and most flexible infrastructure. CoreWeave builds cloud solutions for compute intensive use cases — VFX and rendering, machine learning and AI, batch processing, and Pixel Streaming — that are up to 35 times faster and 80% less expensive than the large, generalized public clouds. Learn more at www.coreweave.com.

CoreWeave is seeking a highly skilled and motivated Senior Linux Engineer to join our Kernel HAVOCK Team, reporting into the Director of Compute Architecture. In this role, you will play a crucial part in the design, development, and optimization of our bare-metal systems from POST through joining a Kubernetes cluster. The team's primary responsibilities include maintaining a custom Linux kernel, various OS images (Ubuntu-based), the virtualization stack (kubevirt/qemu/vfio), and the container/pod runtime stack (containerd/nydus/kubelet). You will collaborate closely with cross-functional teams, up stack engineering teams, and stakeholders to ensure the successful delivery of highly performant and reliable software solutions.

Kernel Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kubelet

Our Team's Stack:

  • Linux Kernel (custom build, currently tracking Ubuntu HWE)
  • Intel/AMD CPUs, Nvidia GPUs, DPUs, Infiniband and Ethernet NICs
  • KubeVirt, QEMU, SR-IOV, vfio-pci
  • Ubuntu 22.04
  • Containerd, Kubelet

Responsibilities:

  • Develop and maintain tooling to build custom Linux kernels and stateless OS images
  • Automate packaging of critical components (drivers, microcode, components with out-of-tree patches, etc)
  • Serve as a senior point of contact for hardware issue escalation and troubleshooting
  • Collaborate with cross-functional teams to define Linux and OS requirements, specifications, and system architecture
  • Analyze and optimize the performance of bare-metal and virtualized systems, identify bottlenecks, and propose improvements for enhanced efficiency

Requirements:

  • Must have at least 5 years of professional experience maintaining large fleets of Linux servers
  • Deep professional experience with troubleshooting and debugging hardware, OS, and kernel issues
  • History of improving system efficiency within different subsystems (network, storage, security)
  • Strong familiarity with sysctls, cgroups, iommu, init systems, seccomp/apparmor
  • Ability to effectively prioritize and communicate proposed features and fixes
  • Strong passion for automation, with a commitment to automating processes comprehensively
  • Excellent documentation skills and attention to detail
  • Strong analytical and problem-solving abilities

Nice-to-haves:

  • Experience with kexec, kpatch, kdump
  • Experience building CI/CD pipelines (GitHub or GitLab)
  • Opinions about software version control and team collaboration
  • Experience writing software tests

Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $130,000/year in our lowest geographic market up to $210,000/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience.

Hybrid Workplace

Successful candidates will be expected to attend onboarding training at our NJ Headquarters for up to 2 weeks within their first month of employment, with subsequent quarterly travel requirements of 1 week duration.

If you reside within a 30-mile radius of our New Jersey, New York, Philadelphia, Sunnyvale or Bellevue offices, we're excited for you to join us at the office at least three times a week, recognizing the significance we place on fostering connections, collaboration, and creativity within our office culture. Our commitment to operating as a hybrid workplace underscores our dedication to enabling our employees to tailor their work-life balance to their individual preferences

Why CoreWeave?

At CoreWeave, we work hard, have fun, and move fast We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:

  • Be Curious at your Core
  • Act like an Owner
  • Empower Employees
  • Deliver Best In-Class Client Experience
  • Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and provides the opportunity to develop innovative solutions to complex problems. As we get set for take off, the growth opportunities within the organization are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us

Benefits

We offer a competitive salary and benefits, including:

  • Medical, dental and vision insurance - 100% paid for the employee
  • Company paid Life Insurance
  • Voluntary supplemental life insurance
  • Short and long-term disability insurance
  • Flexible Spending Account
  • Tuition Reimbursement
  • Mental Wellness Benefits through Spring Health
  • Family-Forming support provided by Carrot
  • Paid Parental Leave
  • Flexible, full-service childcare support with Kinside
  • 401(k) with a generous employer match
  • Flexible PTO
  • Catered lunch each day in our offices
  • A casual work environment
  • Work culture focused on innovative disruption

California Consumer Privacy Act - California applicants only

CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.

As part of this commitment and consistent with the Americans with Disabilities Act (ADA), CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com.

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