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Crusoe Logo Crusoe · IT - Software Development

Software Engineer II, SDN Networking

United States, San Francisco 131000.00 - 154000.00 USD / Year · Job Posted February 21, 2026
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Job Description

As a Software Engineer II - Software Defined Networking, you will lead the development and execution of our Software Defined Networking strategy. You will work extensively with the Linux Kernel, utilizing technologies such as XDP/EBPF, DPDK, SmartNIC, and DPU/IPU to drive innovation and performance improvements.

Job Responsibility

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

Requirements

  • 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)

What we offer

  • Restricted Stock Units
  • Health insurance package options that include HDHP and PPO, vision, and dental for you and your dependents
  • Employer contributions to HSA accounts
  • Paid Parental Leave
  • Paid life insurance, short-term and long-term disability
  • Teladoc
  • 401(k) with a 100% match up to 4% of salary
  • Generous paid time off and holiday schedule
  • Cell phone reimbursement
  • Tuition reimbursement
  • Subscription to the Calm app
  • MetLife Legal
  • Company paid commuter benefit
  • $300 per month
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