Systems Engineer, Kernel; Networking

Overview

Core Weave is The Essential Cloud for AI. Built for pioneers by pioneers, Core Weave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, Core Weave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, Core Weave became a publicly traded company (Nasdaq: CRWV) in March 2025.

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Senior Systems Engineer, Kernel Networking. Core Weave 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 Core Weave’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.

• Python, Go, bash/sh, C
• Custom Linux Kernel, Ubuntu
• Debug Tools: crash, kdump, drgn, gdb
• Prometheus, Victoria Metrics, Grafana, Loki
• Docker, kubernetes (k8s), Kube Virt

• 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).

• 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.

• 5+ years of experience in systems-level development or kernel engineering.
• Broad Kernel Knowledge:
  Solid grasp of memory management, scheduling, and file systems.
• 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).

• 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.

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 Core Weave
• 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…