GrepJob
CoreWeave

Senior Engineer, Cilium CNI & Cloud Networking

CoreWeave
Apply
5 days ago
Bellevue, WA, USA +2 moreSenior

Base Salary

$165k - $242k/yr

Responsibilities

  • Design, build, and operate the container networking layer for Kubernetes platforms.
  • Evolve the CNI stack to support high-density GPU clusters.
  • Collaborate with Kubernetes, Infrastructure, and Network Services engineers.
  • Ensure the platform is highly available, observable, and secure.
  • Take ownership of the networking platform from prototype through production.

Requirements

  • 5+ years of experience as a Software Engineer or Systems Engineer in cloud infrastructure.
  • Hands-on production experience with Cilium CNI or equivalent advanced CNIs.
  • Strong understanding of Cilium’s eBPF datapath and policy model.
  • Deep knowledge of cloud networking concepts including VPCs and routing.
  • Experience designing multi-tenant network architectures with strong isolation.
  • Solid grounding in TCP/IP and dynamic routing.
  • Experience with network observability and troubleshooting across L3–L7.
  • Proficiency in at least one systems language such as Golang or C/C++.
  • Experience operating Kubernetes at scale.
  • Demonstrated ownership of complex systems end-to-end.

Benefits

  • 100% paid medical, dental, and vision insurance.
  • Company-paid life insurance and short/long-term disability insurance.
  • Flexible Spending Account and Health Savings Account.
  • Tuition reimbursement and participation in Employee Stock Purchase Program.
  • Mental wellness benefits and family-forming support.
  • Paid parental leave and flexible childcare support.
  • 401(k) with a generous employer match.
  • Flexible PTO and catered lunch each day.
  • Casual work environment and a culture focused on innovative disruption.

Tech Stack

CC++GoKubernetes