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Crusoe Logo Crusoe · IT - Software Development

Staff Software Engineer, SDN Networking

United States, San Francisco 185000.00 - 224000.00 USD / Year · Job Posted February 21, 2026
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Job Description

Crusoe's mission is to accelerate the abundance of energy and intelligence. We’re crafting the engine that powers a world where people can create ambitiously with AI — without sacrificing scale, speed, or sustainability. Be a part of the AI revolution with sustainable technology at Crusoe. Here, you'll drive meaningful innovation, make a tangible impact, and join a team that’s setting the pace for responsible, transformative cloud infrastructure. Crusoe Cloud seeks a highly skilled and experienced Staff Software Engineer to lead the development and execution of our cutting-edge Software Defined Networking strategy. You will play a pivotal role in driving innovation and performance improvements within our network infrastructure by leveraging advanced technologies such as XDP/EBPF, DPDK, SmartNICs, and DPUs/IPUs.

Job Responsibility

  • Develop and execute the roadmap for Crusoe Cloud's Software Defined Networking strategy
  • Lead the engineering team through all phases of the software development lifecycle, including architecture decisions, design processes, design reviews, code reviews, and implementation tasks
  • Collaborate closely with the network infrastructure organization to develop and deploy industry-leading networking solutions
  • Lead the design, development, and support of Linux Kernel and driver components, focusing on system architecture and optimization
  • Drive the adoption and integration of kernel bypass technologies such as XDP/EBPF, AF_XDP, and DPDK
  • Deeply understand and leverage network accelerators such as Mellanox/Nvidia SmartNICs (ConnectX6/7), DPU Bluefield3, and Intel IPU
  • Collaborate with cross-functional teams across the organization to ensure successful project delivery and operational excellence

Requirements

  • 6+ years of proven experience in building and operating high-performance networking systems in a production environment
  • Strong proficiency in system programming languages such as C, C++, and/or Rust
  • Deep expertise in Linux Systems Internals, including kernel architecture, memory management, and device drivers
  • In-depth knowledge of network programming principles and packet processing pipelines
  • Hands-on experience with kernel bypass technologies like XDP/EBPF, AF_XDP, and DPDK
  • Proven understanding of TCP/IP and networking accelerators such as Mellanox/Nvidia SmartNICs, DPU Bluefield3, and Intel IPU
  • Familiarity with technologies like SR-IOV, vDPA, and scalable functions
  • Strong background in kernel or embedded development, with a focus on the Linux kernel
  • Experience with Open vSwitch, Openflow, and Open Virtual Networking technologies
  • Proven ability to effectively communicate and collaborate with both technical and non-technical stakeholders
  • Demonstrated commitment to professional software engineering best practices, including coding standards, code reviews, source control management, testing, and operations
  • A strong 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
  • Experience with cloud networking platforms (AWS, Azure, GCP) and virtualization technologies (VMware, KVM)

What we offer

  • Restricted Stock Units in a fast growing, well-funded technology company
  • 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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