Software Engineer Ii, Sdn Networking

Crusoe · Data AI · San Francisco, CA - US · Cloud Engineering

Crusoe is an AI infrastructure company focused on accelerating energy and intelligence. This role is for a Software Engineer II specializing in Software Defined Networking (SDN), leading the development and execution of their SDN strategy using technologies like XDP/eBPF, DPDK, SmartNICs, and DPUs. The role involves deep work with the Linux Kernel, system programming, and network programming to build industry-leading networking infrastructure.

What you'd actually do

  1. Develop and execute the roadmap for the Software Defined Networking strategy at Crusoe Cloud.
  2. Be highly hands-on, guiding the engineering team through architecture decisions, design processes, design reviews, code reviews, and implementation tasks.
  3. Collaborate with the network infrastructure organization to develop industry-leading networking infrastructure.
  4. Lead Linux Kernel and driver development, system architecture design, production support, and cross-functional collaboration.

Skills

Required

  • 2+ years of related experience building and operating at scale in a production environment.
  • Proven experience in system programming with C, C++ and/or Rust.
  • Extensive knowledge of Linux Systems Internals and computer architecture.
  • Expertise in Network Programming and Packet Processing pipelines.
  • Hands-on experience with kernel bypass technologies such as XDP/eBPF, AF_XDP, and DPDK.
  • In-depth understanding of TCP/IP and network accelerators like Mellanox/Nvidia SmartNIC (ConnectX6/7), DPU Bluefield3, and Intel IPU.
  • Familiarity with SR-IOV, vDPA, and scalable functions.
  • Strong background in kernel or embedded development, particularly with the Linux kernel.
  • Experience with Open vSwitch, Openflow, and Open Virtual Networking.
  • Knowledge of professional software engineering practices and best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.
  • Demonstrated track record of contributions to the open source community (e.g., Open vSwitch/OVS, Open Virtual Networking/OVN, Multus, Cilium).

Nice to have

  • Advanced degree in Computer Science, Engineering, or a related field.
  • Proven leadership experience in a technical role.
  • Strong analytical and problem-solving skills.
  • Excellent communication and collaboration skills.
  • Experience with cloud networking platforms (AWS, Azure, GCP) and virtualization technologies (VMware, KVM).