Senior Systems Engineer, Kernel Networking
CoreWeave is seeking a specialized Kernel Networking Engineer to join our HAVOCK Team. In this role, you will be the subject matter expert for the networking subsystem of CoreWeave’s Linux-based infrastructure. As we scale our massive AI/HPC clusters, you will focus on optimizing the datapath, tuning the TCP/IP and RDMA stacks, and ensuring the stability of high-throughput workloads across NVIDIA, Mellanox, and Broadcom hardware.
Hardware - Acceleration - Virtualization - Operating Systems - Containerization - Kubelet
Our Team’s Stack:
- Python, Go, bash/sh, C
- Custom Linux Kernel, Ubuntu
- Debug Tools: crash, kdump, drgn, gdb
- Prometheus, Victoria Metrics, Grafana, Loki
- Docker, kubernetes (k8s), KubeVirt
Focus Areas:
- Holistic Troubleshooting – Act as the first line of defense for complex system crashes, soft lockups, and kernel panics.
- Cross-Domain Debugging – Identify whether a root cause lies in memory management, storage, or the network layer.
- Incident Response – Reduce "Mean-Time-To-Resolution" by quickly analyzing crash dumps and stack traces.
- Reliability Engineering – Contribute to the "Smarter Triaging" initiative to automate crash analysis.
- Fleet Stability – Ensure kernel support across diverse hardware (CPUs, GPUs, DPUs).
Responsibilities:
- Analyze kernel crashes, oopses, and panics across the entire stack.
- Apply specific networking knowledge to troubleshoot issues with NVIDIA/Mellanox/Broadcom NICs.
- Utilize crash dump analysis (kdump, crash, drgn) to triage issues affecting customer workloads.
- Improve documentation and RCA processes for kernel failures.
- Assist in maintaining kernel builds and CI/CD pipelines to streamline testing.
Requirements:
- 5+ years of experience in systems-level development or kernel engineering.
- Broad Kernel Knowledge: Solid grasp of memory management, scheduling, and filesystems.
- Networking Fluency: Proven record troubleshooting RoCE, IB, and RDMA issues.
- Debugging Mastery: Expert capability with standard utilities and a systematic approach to root-cause analysis.
- Excellent verbal and written communication skills (ability to explain complex kernel bugs to stakeholders).
Nice-to-haves:
- Experience with eBPF for troubleshooting.
- Knowledge of GPU/NVLink architectures.
- Experience working with automated monitoring/alerting systems (Grafana, Jira automation).
- Willingness to present at conferences (LPC, LSFMMBPF).
Our compensation reflects the cost of labor across several US geographic markets. The base pay for this position ranges from $153,000/year in our lowest geographic market up to $242,000/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.
What We Offer
The range we’ve posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location.
In addition to a competitive salary, we offer a variety of benefits to support your needs, including:
- Medical, dental, and vision insurance - 100% paid for by CoreWeave
- Company-paid Life Insurance
- Voluntary supplemental life insurance
- Short and long-term disability insurance
- Flexible Spending Account
- Health Savings Account
- Tuition Reimbursement
- Ability to Participate in Employee Stock Purchase Program (ESPP)
- 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 office and data center locations
- A casual work environment
- A work culture focused on innovative disruption
Our Workplace
While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration
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: [email protected].
Export Control Compliance
This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.
Top Skills
CoreWeave Sunnyvale, California, USA Office
CoreWeave Sunnyvale, CA Office
Sunnyvale, California, United States
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